Compact Direct Operated 2 Port Solenoid Valve New-Books Download

Compact Direct Operated 2 Port Solenoid Valve New
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Compact Direct Operated 2 Port Solenoid Valve Series VDW. Air Medium Water,Enclosure consumption,2 5 W Size 1. 3 W Size 2,Flame resistance,UL94V 0 conformed Seal material. NBR Air Water,FKM Medium vacuum,Improved armature,durability Body material. Low noise Aluminium Resin PPS,construction IN OUT Medium vacuum. Metal noise reduced 1 2 Brass Stainless steel,by the rubber damper.
Piping variations Resin PPS Brass,Screw piping One touch fitting. Stainless steel,Fluid Orifice diameter Port size,Body material Medium Size Other special options. Air vacuum Water 1 1 6 2 3 3 2 M5 1 8 3 2 4 6,Aluminium Size 2. Special voltage,Size 1 220 VAC,N NBR 12 VDC,Size 2 24 VAC. G thread NPT thread,Oil free Note 1,Size 1 Low concentration ozone resistant.
Brass Seal material FKM Note 2,Stainless steel FKM NBR. The materials in are the seal materials Note 1 As standard for medium. vacuum type,Note 2 Only for air, Direct Operated 2 Port Solenoid Valve Series VX21 22 23. Air Medium Water Oil,Applicable fluid Air Medium vacuum Water Oil. Body material Aluminium Brass Stainless steel Resin CAT EUS70 44B UK. Valve type Port size Orifice diameter mm,1 8 to 1 2. N C N O 2 3 4 5 7 8 10,One touch fitting 6 to 12,Features 1.
Compact Direct Operated 2 Port Solenoid Valve,Series VDW. For Air s Medium Vacuum s Water,Specifications,Standard Specifications. Valve construction Direct operated poppet,Withstand pressure MPa 2 0 resin body type 1 5. Max system pressure MPa 1 0, specifications Body material Aluminium Resin Brass Stainless steel. Seal material NBR FKM,Enclosure Dusttight Low jetproof IP65.
Environment Location without corrosive or explosive gases. AC 100 VAC 200 VAC 110 VAC 230 VAC 220 VAC 240 VAC 48 VAC 24 VAC Note. Rated voltage,DC 24 VDC 12 VDC Note, Coil Allowable voltage fluctuation 10 of rated voltage. specifications Allowable leakage AC With a full wave rectifier 10 or less of rated voltage. For Medium,voltage DC 2 or less of rated voltage,Coil insulation type Class B. Note Voltage in indicates special voltage, Be sure to read Specific Product Precautions before handling. Solenoid Coil Specifications,Normally Closed N C, DC Specification AC Specification With a full wave rectifier. Size Power consumption W Note 1 Temperature rise C Note 2 Size Apparent power VA Note 1 2 Temperature rise C Note 3. Size 1 2 5 60 Size 1 2 5 60,Size 2 3 60 Size 2 3 60.
Note 1 Power consumption Apparent power The value at ambient temperature of Note 1 Power consumption Apparent power The value at ambient temperature of. Construction, 20 C and when the rated voltage is applied Variation 10 20 C and when the rated voltage is applied Variation 10. Note 2 The value at ambient temperature of 20 C and when the rated voltage is Note 2 There is no difference in the frequency and the inrush and energised apparent. applied The value depends on the ambient environment This is for power since a rectifying circuit is used in the AC with a full wave rectifier. reference Note 3 The value at ambient temperature of 20 C and when the rated voltage is. applied The value depends on the ambient environment This is for. Dimensions,Selection Steps,Step 1 Select the fluid. Item Selection item Page Symbol,Air Page 2 0,Select the fluid Water. Page 6 2 VDW 12 0 A A,vacuum Page 4 4, Step 2 Select Body material Port size and Orifice diameter from Flow rate Pressure of each fluid. Item Selection item Symbol,Select from Flow Size Size 1 1.
rate Pressure,s ODY MATERIAL,Body material Resin VDW 1 0 A A. s 0ORT SIZE Port size M5 A,s RIFICE DIAMETER,Orifice diameter 1. Step 3 Select electric specifications,Item Selection item Symbol. Select electric Voltage 24 VDC,specifications Electrical entry Grommet. A VDW 1 0 A A,Series VDW,For Air Single Unit,Model Valve Specifications.
Configuration symbol,Note The configuration symbol shows ports 1. and 2 as blocked but there is actually a,limit to the blocking capability when the. pressure of port 2 is greater than the,pressure of port 1 Please contact SMC. when low leakage performance is,Normally Closed N C. Aluminium Body Type,Orifice Maximum operating,Flow rate characteristics Weight.
Size Port size diameter Model pressure differential MPa. C dm3 s bar b Cv Pressurized port 1,1 6 0 30 0 45 0 07 0 7. 2 M5 1 8 2 3 VDW20 0 58 0 45 0 18 0 4 80,3 2 1 10 0 38 0 30 0 2. Resin Body Type Built in One touch Fittings,Orifice Maximum operating. Flow rate characteristics Weight, Size Port size diameter Model pressure differential MPa. mm C dm3 s bar b Cv Pressurized port 1,M5 1 0 0 14 0 40 0 04 0 9.
1 3 2 One touch fitting VDW10 45,4 One touch fitting 1 6 0 30 0 25 0 07 0 4. M5 1 6 0 30 0 45 0 07 0 7, 2 4 One touch fitting 2 3 VDW20 0 58 0 45 0 18 0 4 80. 6 One touch fitting 3 2 1 10 0 38 0 30 0 2, Refer to Glossary of Terms on page 11 for details on the maximum operating pressure differential. Fluid and Ambient Temperature Valve Leakage,Internal Leakage. Fluid temperature C Ambient temperature C Seal material Leakage rate Air Note. 10 Note to 50 10 to 50 1 cm3 min or less AIuminium body type. Note Dew point temperature 10 C or less 15 cm3 min or less Resin body type. External Leakage,Seal material Leakage rate Air Note.
1 cm3 min or less AIuminium body type,15 cm3 min or less Resin body type. Note Leakage is the value at ambient temperature 20 C. Compact Direct Operated 2 Port Solenoid Valve Series VDW. For Air Single Unit,How to Order Single Unit,Specifications. VDW 1 0 A A Common Specifications,Valve type N C,Seal material NBR. Fluid Coil insulation type Class B,Thread type Rc, Size Valve type Body material Port size Orifice diameter Voltage Electrical entry. Valve Body Orifice, Symbol Size Symbol Port size Symbol Voltage Electrical entry.
type material diameter,A 1 0 A 24 VDC Grommet,Single C 1 0. 1 Size 1 unit 3 2 One touch fitting C 110 VAC,For Medium. E 1 0 D 200 VAC,4 One touch fitting,F 1 6 E 230 VAC. A 1 6 Z Other voltages,4 One touch fitting 2 3,Single G 1 6. 2 Size 2 unit H 6 One touch fitting 2 3,Construction.
Dimensions Pages 8 9 Single unit,Dimensions,Other Special Options. Other options,Electrical options Bracket interchangeable. Low concentration ozone resistant, Special voltage oil free special thread with old type. The brackets are interchangeable with, VDW 1 0 A Z 1A VDW 1 0 A A Z brackets of old VDW10 20 series. For details of exterior dimensions please,Enter standard contact SMC.
Enter standard product number Only for aluminum and stainless steel. product number Other option Low concentration Select stainless steel when interchangeable. product is necessary for water, Electrical option ozone resistant oil free special thread. Low concentration Oil,Electrical option,Special voltage. Symbol ozone resistant,Seal material FKM free,Port size 1 8. Voltage Electrical entry B NPT,C M6 Port size M5 Enter standard. Special voltage,D G product number,1B 220 VAC Port size 1 8.
1C 240 VAC Grommet,F M6 Port size M5 Bracket interchangeable. 1D 12 VDC G Standard with old type,1U 24 VAC H G,Port size 1 8. K M6 Port size M5,L Standard,Port size 1 8,P M6 Port size M5. Z Standard, Enter symbols in the order to the right when ordering a Example VDW 2 0 A Z 1A Z XB. combination of electrical option other options and bracket. interchangeable with old type Electrical option Bracket interchangeable. Other option with old type,Series VDW,For Medium Vacuum Single Unit.
Model Valve Specifications,N C Configuration symbol Application example. Used with vacuum Used with pressure,Note The configuration symbol shows ports 1. and 2 as blocked but there is actually a,limit to the blocking capability when the. pressure of port 2 is greater than the,pressure of port 1 Please contact SMC. when low leakage performance is,Normally Closed N C.
Maximum operating,Orifice Flow rate characteristics. pressure differential MPa Weight,Size Port size diameter Model. Used with g,mm C dm3 s bar b Cv Pressurized port 1. vacuum Pa abs,1 0 0 14 0 40 0 04 0 9 Brass 65,1 M5 VDW14. 1 6 0 30 0 25 0 07 0 1 to 0 4 Stainless steel 60,1 6 0 30 0 45 0 07 atmospheric 0 7.
pressure Brass 115,2 M5 1 8 2 3 VDW24 0 58 0 45 0 18 0 4. Stainless steel 100,3 2 1 10 0 38 0 30 0 2,Fluid and Ambient Temperature Valve Leakage. Internal Leakage, Fluid temperature C Ambient temperature C Seal material Leakage rate Note. 1 to 50 10 to 50 FKM 10 6Pa m3 sec or less,Note With no freezing. External Leakage,Seal material Leakage rate Note,FKM 10 6Pa m3 sec or less.
Note Leakage 10 6Pa m3 sec is the value at differential pressure. 0 1 MPa and ambient temperature 20 C, Compact Direct Operated 2 Port Solenoid Valve Series VDW. For Medium Vacuum Single Unit,How to Order Single Unit. Specifications,VDW 1 4 A A,Common Specifications,Valve type N C. Seal material FKM,Fluid Coil insulation type Class B. 4 For medium vacuum Thread type Rc, Size Valve type Body material Port size Orifice diameter Voltage Electrical entry.
Valve Body Orifice, Symbol Size Symbol Port size Symbol Voltage Electrical entry. type material diameter,For Medium,G 1 0 A 24 VDC Grommet. Single Brass M5,1 Size 1 unit B 100 VAC,Stainless steel M5 C 110 VAC. M 3 2 Z Other voltages,Single Q 3 2,unit R 1 6,Construction. Stainless steel,W 3 2 Dimensions Page 10 Single unit.
Dimensions,Other Special Options,Other options,Electrical options Bracket interchangeable. Low concentration ozone resistant, Special voltage oil free special thread with old type. The brackets are interchangeable with, VDW 1 0 A Z 1A VDW 1 0 A A Z brackets of old VDW10 20 series. For details of exterior dimensions please,Enter standard contact SMC. Enter standard product number Only for aluminum and stainless steel. product number Other option Low concentration Select stainless steel when interchangeable. product is necessary for water, Electrical option ozone resistant oil free special thread.
Electrical option,Special voltage,Port size 1 8,Voltage Electrical entry B NPT. C M6 Port size M5 Enter standard,Special voltage,product number. 1B 220 VAC,1C 240 VAC Grommet,Bracket interchangeable. with old type, Enter symbols in the order to the right when ordering a Example VDW 2 0 A Z 1A Z XB. combination of electrical option other options and bracket. interchangeable with old type Electrical option Bracket interchangeable. Other option with old type,Series VDW,For Water Single Unit.
Model Valve Specifications,Configuration symbol,Note The configuration symbol shows ports 1. and 2 as blocked but there is actually a,limit to the blocking capability when the. pressure of port 2 is greater than the,pressure of port 1 Please contact SMC. when low leakage performance is,Normally Closed N C. Brass Stainless Steel Body Type,Orifice Maximum operating.
Flow rate characteristics pressure differential MPa Weight. Size Port size diameter Model,mm AV x10 6m2 Conversion Cv Pressurized port 1. 1 0 0 96 0 04 0 9 Brass 65,1 M5 VDW12 Stainless steel 60. 1 6 1 70 0 07 0 4,1 6 1 70 0 07 0 7, 2 M5 1 8 2 3 VDW22 4 30 0 18 0 4 Stainless steel 100. 3 2 7 20 0 30 0 2,Resin Body Type,Orifice Maximum operating. Flow rate characteristics pressure differential MPa Weight. Size Port size diameter Model,mm AV Conversion Cv Pressurized port 1.
M5 1 0 0 96 0 04 0 9,1 3 2 One touch fitting VDW12 45. 4 One touch fitting 1 6 1 70 0 07 0 4,M5 1 6 1 70 0 07 0 7. 2 4 One touch fitting 2 3 VDW22 4 30 0 18 0 4 80,6 One touch fitting 3 2 7 20 0 30 0 2. Refer to Glossary of Terms on page 11 for details on the maximum operating pressure differential. Fluid and Ambient Temperature Valve Leakage, Internal Leakage Note 1 Internal leakage when pressure is supplied to Port 1 IN. Fluid temperature C Ambient temperature C Seal material Leakage rate Water Note 2. 1 to 50 10 to 50 0 1 cm3 min or less Brass Stainless steel body type. Note With no freezing 1 cm3 min or less Resin body type. External Leakage,Seal material Leakage rate Water Note 2.
0 1 cm3 min or less Brass Stainless steel body type. 1 cm3 min or less Resin body type, Note 2 Leakage is the value at ambient temperature 20 C. Compact Direct Operated 2 Port Solenoid Valve Series VDW. For Water Single Unit,How to Order Single Unit,Specifications. VDW 1 2 A A,2 For water, Size Valve type Body material Port size Orifice diameter Voltage Electrical entry. Valve Body Orifice, Symbol Size Symbol Port size Symbol Voltage Electrical entry. type material diameter,A 1 0 A 24 VDC Grommet,B 1 6 B 100 VAC.
C Resin 1 0,3 2 One touch fitting C 110 VAC,Single E 1 0 D 200 VAC. 1 Size 1 unit 4 One touch fitting,F 1 6 E 230 VAC,G 1 0 Z Other voltages. For Medium,J Stainless 1 0,K steel 1 6,Resin Common Specifications. E 4 One touch fitting 2 3,PPS Valve type N C,G 1 6 Seal material NBR. H 6 One touch fitting 2 3 Coil insulation type Class B. J 3 2 Thread type Rc,Single K 1 6,2 Size 2 unit L M5 2 3.
Construction,Dimensions Page 9 10 Single unit,T Stainless 3 2. U steel 1 6,Dimensions,Other Special Options,Other options. Electrical options Bracket interchangeable,Low concentration ozone resistant. Special voltage oil free special thread with old type. The brackets are interchangeable with, VDW 1 0 A Z 1A VDW 1 0 A A Z brackets of old VDW10 20 series. For details of exterior dimensions please,contact SMC.
Enter standard Only for aluminum and stainless steel. Enter standard product number Select stainless steel when interchangeable. product number Other option Low concentration product is necessary for water. Electrical option ozone resistant oil free special thread. Electrical option Special voltage Symbol,Low concentration Oil. ozone resistant,Seal material FKM free,Note VDW XB. Voltage Electrical entry A G,Port size 1 8,1A 48 VAC Enter standard. Special voltage,C M6 Port size M5,1B 220 VAC D G,product number. 1C 240 VAC Grommet Port size 1 8,E NPT Bracket interchangeable.
F M6 Port size M5 with old type,1U 24 VAC G Standard. Enter symbols in the order below when ordering a H. Port size 1 8, combination of electrical option other options and J NPT. bracket interchangeable with old type K M6 Port size M5. L Standard,Example M G,Port size 1 8,VDW 2 0 A Z 1A Z XB P M6 Port size M5. Electrical option Bracket Z Standard,Other option interchangeable. with old type,Series VDW,Air Medium Vacuum Water,Construction.
Normally closed N C, Body material Aluminium PPS resin Brass Stainless steel Body material PPS resin One touch fitting type. IN OUT IN OUT,Component Parts Component Parts,No Description Material No Description Material. 1 Solenoid coil Cu Fe Resin 1 Solenoid coil Cu Fe Resin. 2 Fixed armature Fe 2 Fixed armature Fe,3 Tube Stainless steel 3 Tube Stainless steel. 4 Return spring Stainless steel 4 Return spring Stainless steel. 5 Armature assembly NBR FKM Stainless steel PPS resin 5 Armature assembly NBR FKM Stainless steel PPS resin. 6 Seal NBR FKM 6 Seal NBR FKM, 7 Body Aluminium PPS resin Brass C37 Stainless steel 7 Body PPS resin. 8 Bracket SPCC,Body material Aluminium,2 x J thread depth K.
Note Bracket interchangeable with old type VDW XB only. Full wave rectifier,Mounting method Electrical entry. Model A B B1 C D E F Grommet,VDW2 M5 1 8 15 22 11 52 20 8 13 5 M3 5 15 17 36 5. Compact Direct Operated 2 Port Solenoid Valve Series VDW. Air Medium Water,Dimensions,Specifications,Body material Resin. With one touch fittings,For Medium, For information on handling one touch fittings and. Full wave appropriate tubing refer to KJ series one touch. R fittings in catalogue, C The KJ series information can be downloaded from.
the following SMC website http www smc eu,B1 Port size mm. B One touch fitting,P B B1 C D E F,VDW1 3 2 4 32 17 46 15 9 5 11. VDW2 4 6 36 20 53 20 10 5 13 5,Construction,hole Mounting bracket dimensions Electrical entry. One touch fitting,Model Grommet,P U U1 W X X1 Y,VDW1 3 2 4 28 14 11 34 17 17 15 5 30 5. Dimensions,VDW2 4 6 33 16 5 14 39 19 5 20 17 35,Port size M5 M6.
B Port size,P B B1 C D E F,VDW1 M5 M6 20 10 46 15 9 5 11. VDW2 M5 M6 22 11 51 20 9 5 13 5,hole Mounting bracket dimensions Electrical entry. Model Port size Grommet,P U U1 W X X1 Y,VDW1 M5 M6 28 14 11 34 17 17 15 5 30 5. VDW2 M5 M6 33 16 5 14 39 19 5 20 17 34,Series VDW,Air Medium Vacuum Water. Dimensions,Body material Brass,2 x J thread depth K.
Full wave rectifier,Mounting method Electrical entry. Model B B1 C D E F Grommet,VDW1 M5 20 10 42 5 15 6 11 M2 5 4 11 15 5 30. VDW2 M5 1 8 22 11 52 20 8 13 5 M3 5 15 17 36 5,Body material Stainless Steel. 2 x J thread depth K,Full wave rectifier,B Port size. Mounting method Electrical entry,Model A B B1 C D E F Grommet.
VDW1 M5 12 20 10 42 5 15 6 11 M2 5 4 11 15 5 30,VDW2 M5 1 8 15 22 11 52 20 8 13 5 M3 5 15 17 36 5. Series VDW,Glossary of Terms,Specifications,Pressure Terminology Others. 1 Maximum operating pressure differential 1 Material. The maximum pressure differential the difference between NBR Nitrile rubber. the inlet and outlet pressure which is allowed for operation FKM Fluoro rubber Trade names Viton Dai el etc. When the outlet pressure is 0 MPa this becomes the. 2 Oil free treatment,maximum operating pressure,The degreasing and washing of wetted parts. 2 Minimum operating pressure differential,3 Configuration symbol. The minimum pressure differential the difference between the. inlet pressure and outlet pressure required to keep the main In the JIS symbol IN and OUT are in a blocked condition. valve fully opened but actually in the case of reverse pressure OUT IN there. is a limit to the blocking,3 Maximum system pressure.
For Medium, Product with flow direction 2 1 with pressure supplied to. The maximum pressure that can be applied inside the port 2 and universal specification product are available as. pipelines line pressure specials, The pressure differential in the solenoid valve portion must be. less than the maximum operating pressure differential Product with flow direction 2 1 with pressure. 4 Withstand pressure supplied to port 2, The pressure in which the valve must be withstood without a When operating the product with pressure supplied to port 2 and. drop in performance after holding for one minute under pressure in the flow direction from port 2 to 1 the pressure. prescribed static pressure and returning to the operating difference between port 2 and port 1 should be according to the. pressure range value under the prescribed conditions values shown in the table below. Size Orifice diameter mm Max operating pressure differential MPa. Electrical Terminology Size 1,1 Surge voltage 1 6 0 2. Construction, A high voltage which is momentarily generated by shutting off Size 2 2 3 0 1.
the power in the shut off area 3 2 0 05,2 Enclosure. A degree of protection defined in the JIS C 0920 Waterproof Caution. test of electric machinery appliance and the degree of protec When operating the product with flow direction 2 1. Dimensions, tion against the intrusion of solid foreign objects. with pressure supplied to port 2 there is a risk of the. Verify the degree of protection for each product valve opening momentarily and fluid leaking to the. downstream side due to a rapid increase of the,IP upstream pressure. Second characteristic numeral A special product will be available when holding. First characteristic numeral pressure supplied from port 2 in the flow direction 2. 1 with low leakage performance is required,First Characteristics. Degrees of protection against solid foreign objects Universal specification. 0 Non protected A special can be available for Universal Specification where. 1 Protected against solid foreign objects of 50 mm and greater product operation can be both flow from port 1 to port 2 1 2. 2 Protected against solid foreign objects of 12 mm and greater and from port 2 to port 1 2 1. 3 Protected against solid foreign objects of 2 5 mm and greater. 4 Protected against solid foreign objects of 1 0 mm and greater. 5 Dust protected,6 Dusttight,Second Characteristics.
Degrees of protection against water,0 Non protected. 1 Protected against vertically falling water drops Dripproof type 1. 2 Protected against vertically falling water drops when enclosure tilted up to 15 Dripproof type 2. 3 Protected against rainfall when enclosure tilted up to 60 Rainproof type. 4 Protected against splashing water Splashproof type. 5 Protected against water jets Low jetproof type, 6 Protected against powerful water jets Strong jetproof type. 7 Protected against the effects of temporary immersion in water Immersible type. 8 Protected against the effects of continuous immersion in water Submersible type. Example IP65 Dusttight Low jetproof type, Low jetproof type means that no water intrudes inside an. equipment that could hinder from operating normally by. means of applying water for 3 minutes in the prescribed. manner Take appropriate protection measures since a. device is not usable in an environment where a droplet of. water is splashed constantly,Series VDW,Specific Product Precautions 1. Be sure to read before handling, Refer to back cover for Safety Instructions Handling Precautions for SMC Products.
M E03 3 and the Operation Manual for 2 Port Solenoid Valves for Fluid Control. Precautions Please download it via our website http www smcworld com. Design Selection,Warning Warning, 1 Cannot be used as an emergency shutoff valve etc 2 Fluid quality. The valves presented in this catalogue are not designed for The use of a fluid that contains foreign objects can cause. safety applications such as an emergency shutoff valve If the problems such as malfunction and seal failure by promoting. valves are used in this type of system other reliable safety wear of the valve seat and armature and by sticking to the. assurance measures should also be adopted sliding parts of the armature etc Install a suitable filter. strainer immediately upstream from the valve As a general. 2 Extended periods of continuous energisation,rule use 80 to 100 mesh. The solenoid coil will generate heat when continuously When using tap water since substances such as calcium and. energised Avoid using in a tightly shut container Install it in a magnesium which generate hard scale and sludge are. well ventilated area Furthermore do not touch it while it is included and can cause the valve to malfunction install water. being energised or right after it is energised softening equipment and a filter strainer right before the. 3 Liquid rings valve to remove these substances, In cases with a flowing liquid provide a bypass valve in the 3 Air quality. system to prevent the liquid from entering the liquid seal 1 Use clean air. circuit Do not use compressed air that contains chemicals. 4 Actuator drive synthetic oils including organic solvents salt or corrosive. When an actuator such as a cylinder is to be driven using a gases etc as it can cause damage or malfunction. valve take appropriate measures to prevent potential danger 2 Install an air filter. caused by actuator operation Install an air filter close to the valve on the upstream side A. filtration degree of 5 m or less should be selected. 5 Pressure including vacuum holding,3 Install an aftercooler or air dryer etc. It is not usable for an application such as holding the pressure Compressed air that contains excessive drainage may. including vacuum inside of a pressure vessel because air cause a malfunction of valves and other pneumatic equip. leakage is entailed in a valve ment To prevent this install an aftercooler or air dryer etc. 6 When an impact such as water hammer etc 4 If excessive carbon powder is generated eliminate it by. caused by the rapid pressure fluctuation is applied installing a mist separator on the upstream side of. the solenoid valve may be damaged Give an atten valves. tion to it If excessive carbon powder is generated by the compres. sor it may adhere to the inside of the valves and cause a. malfunction, Refer to www smcworld com for further details on compressed.
air quality,4 Ambient environment, Selection Use within the operable ambient temperature range Check. the compatibility between the product s composition materials. Warning and the ambient atmosphere Be certain that the fluid used. does not touch the external surface of the product. 5 Countermeasures against static electricity,1 Type of fluid. Before using a fluid check whether it is compatible with the Take measures to prevent static electricity since some fluids. materials of each model by referring to the fluids listed in can cause static electricity. this catalogue Use a fluid with a kinematic viscosity of 50 6 Low temperature operation. mm2 s or less If there is something you do not know please 1 The valve can be used in an ambient temperature of between. contact SMC 10 to 20 C However take measures to prevent freezing or. 2 Flammable oil Gas solidification of impurities etc. Confirm the specification for leakage in the interior and or 2 When using valves for water application in cold climates take. exterior area appropriate countermeasures to prevent the water from. 3 Corrosive gas freezing in tubing after cutting the water supply from the. Cannot be used since it will lead to cracks by stress pump by draining the water etc When warming by a heater. corrosion or result in other incidents etc be careful not to expose the coil portion to a heater. 4 Depending on water quality a brass body can cause Installation of a dryer heat retaining of the body is recom. corrosion and internal leakage may occur If such abnor mended to prevent a freezing condition in which the dew. malities occur exchange the product for a stainless steel point temperature is high and the ambient temperature is low. body and the high flow runs, 5 Use an oil free specification when any oily particle must not. enter the passage, 6 Applicable fluid on the list may not be used depending on. the operating condition Give adequate confirmation and. then determine a model just because the compatibility list. shows the general case,Series VDW,Specific Product Precautions 2.
Be sure to read before handling, Refer to back cover for Safety Instructions Handling Precautions for SMC Products. M E03 3 and the Operation Manual for 2 Port Solenoid Valves for Fluid Control. Precautions Please download it via our website http www smcworld com. Selection Mounting,Warning Warning, 7 Fluid quality 3 Mount a valve with its coil position upwards not. Water downwards, The use of a fluid that contains foreign objects can cause When mounting a valve with its coil positioned downwards. problems such as malfunction and seal failure by promoting foreign objects in the fluid will adhere to the iron core leading. wear of the valve seat and armature and by sticking to the to a malfunction Especially for strict leakage control such as. sliding parts of the armature etc Install a suitable filter with vacuum applications and non leak specifications the coil. strainer immediately upstream from the valve As a general must be positioned upwards. rule use 50 to 100 mesh, When using tap water since substances such as calcium and 4 Do not warm the coil assembly with a heat insulator etc. magnesium which generate hard scale and sludge are Use tape heaters etc for freeze prevention on the piping and. included and can cause the valve to malfunction install water body only They can cause the coil to burn out. softening equipment and a filter strainer right before the valve 5 Secure with brackets except in the case of steel. to remove these substances piping and copper fittings. Use ordinary compressed air where a filter of 5 m or less is 6 Avoid sources of vibration or adjust the arm from. provided on the inlet side piping Except dry air the body to the minimum length so that resonance. will not occur,7 Painting and coating, Caution Warnings or specifications printed or labeled on the product.
should not be erased removed or covered up,1 Leakage voltage. Particularly when using a resistor in parallel with a switching. element and using a C R element surge voltage suppressor Piping. to protect the switching element take note that leakage. current will flow through the resistor C R element etc. creating a possible danger that the valve may not turn off Warning. 1 During use deterioration of the tube or damage to. Switching element, Leakage voltage the fittings could cause tubes to come loose from. OFF their fittings and thrash about, C R To prevent uncontrolled tube movement install protective. Power supply,covers or fasten tubes securely in place. 2 For piping the tube fix the product securely using the. Leakage current, mounting holes so that the product is not in the air.
AC Class B built in full wave rectifier coil 10 or less of. rated voltage Caution, DC coil 2 or less of rated voltage 1 Preparation before piping. Before piping is connected it should be thoroughly blown out. 2 Selecting model with air flushing or washed to remove chips cutting oil and. Material depends on fluid Select optimal models for the fluid other debris from inside the pipe. Install piping so that it does not apply pulling pressing. bending or other forces on the valve body, Mounting 2 Avoid connecting ground lines to piping as this. may cause electric corrosion of the system, Warning 3 Tighten threads with the proper tightening torque. 1 If air leakage increases or equipment does not oper When attaching fittings to valves tighten with the proper. tightening torque shown below,ate properly stop operation. After mounting is completed confirm that it has been done Tightening Torque for Piping. correctly by performing a suitable function test Connection thread Proper tightening torque N m. 2 Do not apply external force to the coil section M5 1 to 1 5. M6 1 to 1 5, When tightening is performed apply a wrench or other tool to.
Rc1 8 7 to 9,the outside of the piping connection parts. 4 Connection of piping to products, When connecting piping to a product refer to its operation. manual to avoid mistakes regarding the supply port etc. 5 In applications such as vacuum and non leak speci. fications use caution specifically against the, contamination of foreign objects or airtightness of.


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LINGUISTICS 333: C S 2013 - WordPress.com

LINGUISTICS 333 C S 2013 WordPress com

Dreaming in Chinese: Mandarin Lessons in Life, Love, and Language. Articles to be posted on Blackboard Recommended text: Kiesling, Scott, ed. 2005. Intercultural Discourse and Communication. Books are available at GU Bookstore or students may order them online or as e-books(edition is not important).