Pilot Operated 2 Port Solenoid Valve New RoHS Water Air Oil Heated water High temperature oil (99°C) (99°C) Compact Lightweight Height Weight 7%Smaller 20 %Lighter ∗ Approx. (7 mm) (VXD24) Enclosure IP65 ∗ ∗ Electrical entry “Faston” type terminal is IP40. Power consumption ∗ (DC/N.C. valve) 4.
Series VXD Pilot Operated 2 Port Solenoid Valve Clearance Air Water Oil Heated water High temperature oil (99°C) By providing a buffer and clearance, we reduced the collision sound of the core when ON (when the valve is open). Because of the clearance, when using highly viscous fluids such as oil, the armature does not get stuck and the responsiveness when OFF (when the valve is closed) is improved. (99°C) Enclosure IP65 Power consumption: Flame resistance UL94V-0 conformed 4.
Common Specifications .................................................................... 2 Selection Steps ..................................................................................... 3 Specifications Series VXD For Oil Model/Valve Specifications, Fluid and Ambient Temperature, Valve Leakage ... 10, 11 How to Order ............................................................................... 12 For Heated water Model/Valve Specifications, Fluid and Ambient Temperature, Valve Leakage ...
Series VXD Common Specifications Standard Specifications Valve construction Pilot operated 2 port diaphragm type Withstand pressure Valve Body material specifications Seal material 2.0 MPa (Resin body type 1.
Series VXD Specifications Selection Steps Selection Steps Page Symbol Air Page 4 0 Water Page 7 2 Oil Page 10 3 Heated water High temperature oil Page 13 5 Page 16 6 q VXD2 3 0 A A For Water Select the fluid. Selection item q For Oil Item For Air Step 1 Select the fluid. Step 2 Select “Body material”, “Port size” and “Orifice diameter” from “Flow rate — Pressure” of each fluid. Symbol Size 8A Valve type N.C.
Series VXD For Air Model/Valve Specifications N.C. Symbol 2 1 Refer to “Glossary of Terms” on page 33 for symbol. Normally Closed (N.C.) Body material AIuminium Resin Stainless steel, C37 (Brass) Port size 1/4 (8A) 3/8 (10A) 1/2 (15A) ø10 ø3/8" ø12 3/8 (10A) 1/2 (15A) 3/4 (20A) 1 (25A) Orifice diameter [mmø] Model 10 VXD230 Maximum operating pressure differential Minimum operating pressure differential Note 1) [MPa] AC DC 0.9 0.7 1.0 1.0 0.02 15 VXD240 20 25 VXD250 VXD260 C 8.5 9.2 9.
Pilot Operated 2 Port Solenoid Valve Series VXD Specifications For Air Model/Valve Specifications For Air N.O. Symbol 1 Refer to “Glossary of Terms” on page 33 for symbol. Normally Open (N.O.) Stainless steel, C37 (Brass) Model 10 VXD2A0 Maximum operating pressure differential Minimum operating pressure differential Note 1) [MPa] AC DC 0.6 0.4 0.7 0.7 0.02 15 VXD2B0 20 25 VXD2C0 VXD2D0 C 8.5 9.2 9.2 5.6 4.8 7.2 18.0 20.0 38.
Series VXD For Air RoHS How to Order VXD2 3 0 A A A Fluid 0 Size 3 Valve type N.C. 8A 10A A Note) 4 B 15A 10A 15A 5 C 20A 6 D 25A N.O. N.C. N.O. N.C. N.O. N.C. N.O. — XB No Yes Note) Bracket is standardised with the resin body type D (VXD230 E ). No need to add "XB".
Pilot Operated 2 Port Solenoid Valve Series VXD Specifications For Water ∗ Possible to use this for air. Note that the maximum operating pressure differential and flow-rate characteristics should be within the specifications for air. Model/Valve Specifications For Air N.C. Symbol 1 Refer to “Glossary of Terms” on page 33 for symbol. Normally Closed (N.C.
Series VXD For Water Model/Valve Specifications N.O. Symbol 2 1 Refer to “Glossary of Terms” on page 33 for symbol. Normally Open (N.O.
Pilot Operated 2 Port Solenoid Valve Series VXD For Water RoHS Specifications How to Order VXD2 3 2 A A A Fluid With bracket — XB Body material/Port size/Orifice diameter 10A A 4 B 15A 10A 15A 5 C 20A 6 D 25A N.O. N.C. N.O. N.C. N.O. N.C. N.O. G H J K C37 (Brass) 1/4 3/8 1/2 Stainless steel ∗ The bracket for aluminium, C37 (Brass) and stainless steel body type of the VXD23 is shipped together with the product, but not assembled. (Refer to the figure below for mounting.
Series VXD When the fluid is oil. For Oil The kinematic viscosity must not exceed 50 mm2/s. The special construction of the armature adopted in the built-in full-wave rectifier type gives an improvement in OFF response by providing clearance on the absorbed surface when it is switched ON. ∗ Possible to use this for air and water. Note that the maximum operating pressure differential and flow-rate characteristics should be within the specifications of the fluid used. Model/Valve Specifications N.C.
Pilot Operated 2 Port Solenoid Valve Series VXD For Oil When the fluid is oil. The special construction of the armature adopted in the built-in full-wave rectifier type gives an improvement in OFF response by providing clearance on the absorbed surface when it is switched ON. Specifications The kinematic viscosity must not exceed 50 mm2/s. Model/Valve Specifications For Air N.O. Symbol 1 Refer to “Glossary of Terms” on page 33 for symbol. Normally Open (N.O.
Series VXD For Oil RoHS How to Order VXD2 3 3 A A A Common Specifications Seal material FKM Fluid 3 With bracket Oil — XB Body material/Port size/Orifice diameter Size—Valve type Symbol Size 3 Valve type N.C. 8A 10A A 4 B 15A 10A 15A 5 C 20A 6 D 25A N.O. N.C. N.O. N.C. N.O. N.C. N.O. Symbol A B C D E F G H J K Body material Port size ∗ The bracket for aluminium, C37 (Brass) and stainless steel body type of the VXD23 is shipped together with the product, but not assembled.
Pilot Operated 2 Port Solenoid Valve Series VXD Specifications For Heated water ∗ Possible to use this for air (to 99°C) and water. Note that the maximum operating pressure differential and flow-rate characteristics should be within the specifications of the fluid used. Model/Valve Specifications For Air N.C. Symbol 1 Refer to “Glossary of Terms” on page 33 for symbol. Normally Closed (N.C.
Series VXD For Heated water Model/Valve Specifications N.O. Symbol 2 1 Refer to “Glossary of Terms” on page 33 for symbol. Normally Open (N.O.
Pilot Operatded 2 Port Solenoid Valve Series VXD For Heated water VXD2 3 5 A B A Common Specifications Seal material EPDM Specifications RoHS How to Order Fluid 5 Heated water A 4 B 15A 10A 15A 5 C 20A 6 D 25A N.O. N.C. N.O. N.C. N.O. N.C. N.O. G H J K C37 (Brass) Port size * The bracket for aluminium, C37 (Brass) and stainless steel body type of the VXD23 is shipped together with the product, but not assembled. (Refer to the figure below for mounting.
Series VXD When the fluid is oil. For High temperature oil ∗ Possible to use this for air (to 99°C) and water. Note that the maximum operating pressure differential and flow-rate characteristics should be within the specifications of the fluid used. The kinematic viscosity must not exceed 50 mm2/s. The special construction of the armature adopted in the built-in full-wave rectifier type gives an improvement in OFF response by providing clearance on the absorbed surface when it is switched ON.
Pilot Operated 2 Port Solenoid Valve Series VXD For High temperature oil When the fluid is oil. The special construction of the armature adopted in the built-in full-wave rectifier type gives an improvement in OFF response by providing clearance on the absorbed surface when it is switched ON. Specifications The kinematic viscosity must not exceed 50 mm2/s. Model/Valve Specifications For Air N.O. Symbol 1 Refer to “Glossary of Terms” on page 33 for symbol. Normally Open (N.O.
Series VXD For High temperature oil RoHS How to Order VXD2 3 6 A B A Common Specifications Seal material FKM Fluid 6 High temperature oil With bracket Size—Valve type Symbol 3 Size 8A Valve type N.C. 10A A 4 B 5 C 6 D 15A 10A 15A 20A 25A N.O. N.C. N.O. N.C. N.O. N.C. N.O.
Series VXD Construction i i !2 !2 !0 !0 IN(P1) r o y u r A B C e q w !1 o u IN(P1) OUT(P2) OUT(P2) B IN(P1) e w VXD23 For Air t IN(P1) For Water y !1 A C q For Oil t Specifications Normally Closed (N.C.) VXD24 For Heated water i !2 t !1 B o C For High temperature oil !0 u IN(P1) r OUT(P2) e w IN(P1) q VXD25, 26 Component Parts No.
VXD Series Construction Normally Open (N.O.) !4 u !4 u i i !2 !0 !1 t !1 o y !0 !2 t y IN(P1) r OUT(P2) !3 r A B C e q w B IN(P1) e w VXD2A !4 o IN(P1) !3 OUT(P2) A IN(P1) VXD2B C q u i !2 !0 t !1 o IN(P1) !3 B OUT(P2) r e IN(P1) A C q w VXD2C, 2D Component Parts No.
Pilot Operated 2 Port Solenoid Valve For information on handling one-touch fittings (KQ2 series) and appropriate tubing, refer to SMC website, http://www.smc.eu Series VXD For Air 3 Grommet U d e C E 1.2 IN 2xP Port size F For Water B OUT a b A 5.5 T 7.5 For Air ≈ 300 Specifications Dimensions/VXD2A Body Material: Resin (ø10, ø3/8", ø12) D I ≈ 4.5 J K L ≈ 4.5 f E 1.2 For Oil U A IN B OUT a b T 5.5 7.
Series VXD For Air 3 Dimensions/VXD2 A Body Material: Resin (ø10, ø3/8", ø12) Conduit terminal d e (U±2) (V±2) 34 E 32 C 1.2 G1/2 IN B OUT a b 5.5 A T 25 7.5 2xP Port size F J D I ≈ 4.5 K ≈ 4.5 L f d e C Conduit ≈ 280 E 23 U 1.2 7.5 IN B OUT a b A 5.5 T G1/2 2xP Port size F I D ≈ 4.5 J K ≈ 4.5 L f d e C Faston terminal 11 U E 1.2 IN B OUT a b A 5.5 T 7.5 2xP Port size F I D ≈ 4.5 J K ≈ 4.
Pilot Operated 2 Port Solenoid Valve Series VXD For Air/Water/Oil 3 Specifications Dimensions/VXD2A Body Material: Aluminium, C37 (Brass), Stainless Steel Grommet 3 ≈ 300 U E VXD2 A Port size 04 (1/2) (With bracket) C 1.6 1.6 7.5 Grommet (with surge voltage suppressor) f 2xP Port size ≈ 300 U e d For Oil f For Water L (D) e d C E For Heated water K I T IN B M OUT For High temperature oil F J A 2xP Port size IN a b OUT IN B OUT 18 M a b 5.5 A T 5.5 For Air 7.
Series VXD For Air/Water/Oil 3 Dimensions/VXD2 A Body Material: Aluminium, C37 (Brass), Stainless Steel Conduit terminal (U±2) (V±2) E M A T 25 32 34 G1/2 IN B OUT 2xP Port size F J K I L (D) Conduit ≈ 280 E C 23 U A T G1/2 IN 2xP Port size K I F J 3 VXD2 A CF 3 B M OUT Note) Only the VXD2 A with port size of 04 (1/2) has threads on the bottom of the body. L (D) 18 2 x M4 x 0.
Pilot Operated 2 Port Solenoid Valve Series VXD Air Water Oil 4 Grommet ≈ 300 C E IN f B M OUT For Air A T U Specifications Dimensions/VXD2 B Body Material: C37 (Brass), Stainless Steel I F 2.6 J For Water 2xP Port size 2 x ø8.5 e d a b K L C E A T U For Heated water ≈ 300 IN B M OUT For High temperature oil Grommet (with surge voltage suppressor) For Oil (D) F 2xP Port size I K U E C 31.
Series VXD For Air/Water/Oil 4 Dimensions/VXD2 B Body Material: C37 (Brass), Stainless Steel Conduit terminal (U±2) (V±2) 34 20 A T 25 32 C G1/2 IN B M OUT F I Conduit ≈ 280 L (D) C E 23 U K 2xP Port size J A T G1/2 IN B M OUT F 2xP Port size I K J Faston terminal U C E A T 11 L (D) IN B M OUT F 2xP Port size I K J L (D) [mm] Electrical entry Model VXD2 B4 Port size P A 3/8, 1/2 96.5 (102.5) B 25.
Series VXD Pilot Operated 2 Port Solenoid Valve Air 5 Water Oil 6 Grommet ≈ 300 E C IN B M OUT For Air A T U Specifications Dimensions/VXD2 C /2D Body Material: C37 (Brass), Stainless Steel 2 x ø8.5 I e d K a b E C A T U For Oil ≈ 300 Grommet (with surge voltage suppressor) L (D) For Heated water 2.6 F J For Water f 2xP Port size IN B For High temperature oil M OUT U L (D) E C V G1/2 A T (44) Cable ø6 to ø12 K 31.
Series VXD For Air/Water/Oil 5 6 Dimensions/VXD2C /2D Body Material: C37 (Brass), Stainless Steel Conduit terminal (U±2) (V±2) E 34 G1/2 A T 25 32 C IN B M OUT F I ≈ 280 U L (D) E C 23 Conduit K 2xP Port size J A T G1/2 IN B M OUT F 2xP Port size I K J Faston terminal U E C A T 11 L (D) IN B M OUT F J 2xP Port size I K L (D) [mm] Electrical entry Model Port size P A B C D E F I VXD2 C5 3/4 29 30 71 20 4.5 17 VXD2 D6 1 107.5 (113.
Pilot Operated 2 Port Solenoid Valve Series VXD For Heated water/High temperature oil 3 Specifications Dimensions/VXD2A Body Material: C37 (Brass), Stainless Steel (1/4, 3/8, 1/2) Grommet ≈ 300 U (42) ≈ 40 E C VXD2 A3 Port size 04 (1/2) (With bracket) B J L 1.6 (D) e d 18 f Conduit terminal OUT IN f (V±2) e d 2xP Port size E 32 34 For Heated water (U±2) 3 C 25 VXD2 A F OUT IN B 2 x M4 x 0.
Series VXD For Heated water/High temperature oil 4 Dimensions/VXD2 B Body Material: C37 (Brass), Stainless Steel Grommet ≈ 300 U (42) ≈ 40 E C A T For Heated water/ High temperature oil Full-wave rectifier IN f B M OUT I 2.6 F 2xP Port size 2 x ø8.
Series VXD Pilot Operated 2 Port Solenoid Valve Heated High water temperature oil 5 6 Grommet ≈ 300 U (42) ≈ 40 Specifications Dimensions/VXD2 C /2D Body Material: C37 (Brass), Stainless Steel E C IN 2.6 F J I Port size 2xP 2 x ø8.
Series VXD Replacement Parts No. DIN Connector Without electrical option C18312G6GCU With electrical option (light) GDM2A L Electrical option L With light Rated voltage 1 2 5 6 13 15 100 VAC, 110 VAC 200 VAC, 220 VAC 230 VAC, 240 VAC 24 VDC 12 VDC 24 VAC 48 VAC Gasket for DIN Connector VCW20-1-29-1 Lead Wire Assembly for Faston Terminal (Set of 2 pcs.
Series VXD Glossary of Terms Pressure Terminology Others 1. Material 1. Maximum operating pressure differential The maximum pressure differential (the difference between the inlet and outlet pressure) which is allowed for operation. When the outlet pressure is 0 MPa, this becomes the maximum operating pressure. NBR: Nitrile rubber FKM: Fluoro rubber – Trade names: Viton®, Dai-el®, etc. EPDM: Ethylene-propylene rubber 2. Oil-free treatment 2.
Series VXD Solenoid Valve Flow-rate Characteristics (How to indicate flow-rate characteristics) 1. Indication of flow-rate characteristics The flow-rate characteristics in equipment such as a solenoid valve etc. are indicated in their specifications as shown in Table (1).
Solenoid Valve Flow-rate Characteristics Series VXD C : Sonic conductance [dm3/(s·bar)] b : Critical pressure ratio [—] P1 : Upstream pressure [MPa] P2 : Downstream pressure [MPa] t : Temperature [°C] Note) Formula of subsonic flow is the elliptic analogous curve. Flow-rate characteristics are shown in Graph (1). For details, please make use of SMC’s “Energy Saving Program”. Example) Obtain the air flow rate for P1 = 0.4 [MPa], P2 = 0.
Series VXD 2.
Solenoid Valve Flow-rate Characteristics Series VXD 2.3 Flow coefficient Cv factor The United States Standard ANSI/(NFPA)T3.21.3: 1990: Pneumatic fluid power—Flow rating test procedure and reporting method-For fixed orifice components Defines the flow coefficient, Cv factor by the following formula which is based on the test conducted by the test circuit analogous to ISO 6358. Cv = 114.
Series VXD Conversion of flow coefficient: Av = 28 x 10−6 Kv = 24 x 10−6 Cv ……………………………………………(11) Here, Kv factor 3 3 2 Upstream pressure 2 P1 = 1 MPa P1 = 0.8 MPa 1 0.9 0.8 Example 2 P1 = 0.6 MPa 0.7 0.6 P1 = 0.5 MPa 0.5 0.4 1 0.9 0.8 0.7 0.6 0.5 P1 = 0.4 MPa P1 = 0.3 MPa 0.4 Example 1 0.3 0.3 P1 = 0.2 MPa 0.2 0.2 P1 = 0.1 MPa 0.1 0.001 0.1 0.01 0.002 0.003 0.004 0.02 0.03 0.
Series VXD Flow-rate Characteristics Note) Use this graph as a guide. In the case of obtaining an accurate flow rate, refer to pages 34 through to 38. For Air (Orifice diameter: ø10 mm, ø15 mm, ø20 mm, ø25 mm) Upst re am pre ssu r eo fv 0.8 alv e 0.9 P1 The sonic range pressure to generate a flow rate of 6000 L/min (ANR) is P1 ≈ 0.57 MPa for a ø15 orifice (VXD240 /Port size: 3/8) and P1 ≈ 0.22 MPa for a ø20 orifice (VXD250 /Port size: 3/4). ≈ 1 .0 0.7 Pa 0.8 0.6 nic o bs Su 0.7 0.6 0.
Series VXD For Water How to read the graph 1,000 The pressure differential when water with flow rate of 100 L/min is applied is as follows. For a ø15 orifice (VXD214 20 -04), ΔP ≈ 0.16 MPa, for a ø20 orifice (VXD250), ΔP ≈ 0.055 MPa, for a ø25 orifice (VXD260), ΔP ≈ 0.032 MPa 500 400 300 Port Flow rate Q [L/min] 200 Port 40 30 20 10 0.02 40 Port 100 50 size Port Port siz size size Port e 1/2 3/8 8,1/2 Cv = ø15 4.5 Cv = 2.4 Cv = 1.9 3/ size 1/4 ø10 size 3/4 Cv = 12.
VXD Specific Product Precautions 1 Series 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 Design Selection Warning 1. Cannot be used as an emergency shutoff valve etc.
VXD Specific Product Precautions 2 Series 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.
VXD Specific Product Precautions 3 Series 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 Wiring Piping Caution Caution 3. Always tighten threads with the proper tightening torque. When attaching fittings to valves, tighten with the proper tightening torque shown below.
VXD Specific Product Precautions 4 Series 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 Maintenance Warning 1. Removing the product The valve will reach a high temperature when used with high temperature fluids.
VXD Specific Product Precautions 5 Series 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 Electrical Circuits Electrical Connections Caution Caution [DC circuit] Conduit terminal In the case of the conduit terminal, make connections according to the marks shown below.
Safety Instructions Caution: These safety instructions are intended to prevent hazardous situations and/or equipment damage. These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger.” They are all important notes for safety and must be followed in addition to International Standards (ISO/IEC)∗1), and other safety regulations. Caution indicates a hazard with a low level of risk which, if not avoided, could result in minor or moderate injury.
