3-Port Valve for Releasing Residual Pressure With Keyhole (Single Action) VHS20/30/40/50
- Refer to the catalog for details on product specifications.
- The products shown in the image are representative. CAD data is not supported for some model numbers.
Conforming To OSHA Standard, Pressure Relief 3-Port Valve (Single Action) With Locking Holes by SMC.
[Features]
· The safety-measure manually operated valve can be used to prevent accidents caused by residual pressure in pneumatic lines.
· Designed so that the supply and exhaust status of the air flow can be checked at a glance.
· When residual pressure is being released, the valve handle can be locked in position to prevent accidental operation.
Conforming To OSHA Standard, Pressure Relief 3-Port Valve (Single Action) With Locking Holes VHS20/30/40/50 Series Details
Conforming To OSHA Standard, Pressure Relief 3-Port Valve (Single Action) With Locking Holes VHS20/30/40/50 Series: product images
Conforming To OSHA Standard, Pressure Relief 3-Port Valve (Single Action) With Locking Holes VHS20/30/40/50 Series Specifications
Model Number Notation
Model number example
Standard specification
| Model | VHS20 | VHS30 | VHS40 | VHS40-06 | VHS50 | |
|---|---|---|---|---|---|---|
| Applicable fluids | Air | |||||
| Ambient temperature and working fluid temperature | -5 to +60°C (no freezing) | |||||
| Proof pressure | 1.5 MPa | |||||
| Operating pressure range | 0.1 to 1.0 MPa | |||||
| Handle switching angle | 90° | |||||
| Color of exterior (standard) | Handle: red Body: urban white | |||||
| Weight | A (Handle, bonnet: flame-retardant PBT) | 76 g | 127 g | 247 g | 293 g | 532 g |
| B (Handle, bonnet: aluminum) | 92 g | 156 g | 301 g | 349 g | 630 g | |
Flow rate characteristics
| Model | Piping connection port diameter | Flow rate characteristics | ||||||
|---|---|---|---|---|---|---|---|---|
| IN, OUT | EXH | IN → OUT | OUT → EXH | |||||
| C (dm3/(s-bar) | b | Cv | C (dm3/(s-bar) | b | Cv | |||
| VHS20 | 1/8 | 1/8 | 2.4 | 0.43 | 0.65 | 2.5 | 0.39 | 0.69 |
| 1/4 | 3.3 | 0.40 | 0.88 | 3.1 | 0.51 | 0.84 | ||
| VHS30 | 1/4 | 1/4 | 6.4 | 0.45 | 1.7 | 6.2 | 0.38 | 1.7 |
| 3/8 | 8.3 | 0.41 | 2.3 | 7.0 | 0.41 | 1.9 | ||
| VHS40 | 1/4 | 3/8 | 7.3 | 0.49 | 2.0 | 8.5 | 0.35 | 2.3 |
| 3/8 | 10.9 | 0.45 | 3.0 | 11.6 | 0.40 | 3.1 | ||
| 1/2 | 14.2 | 0.39 | 3.8 | 13.3 | 0.43 | 3.6 | ||
| VHS40-06 | 3/4 | 1/2 | 18.3 | 0.31 | 5.0 | 17.7 | 0.37 | 4.8 |
| VHS50 | 3/4 | 1/2 | 23.8 | 0.41 | 6.4 | 21.8 | 0.41 | 5.9 |
| 1 | 31.9 | 0.33 | 8.6 | 23.5 | 0.44 | 6.4 | ||
Structural Drawings
VHS20-A to VHS50-A structural drawings
VHS20-B to VHS50-B structural drawings
Built-in silencer (option): structural drawing
Component Parts
| Number | Part name | Materials | Additional notes | |
|---|---|---|---|---|
| VHS20 to 50-A | VHS20 to 50-B | |||
| 1 | Body | ADC12 | Urban white | |
| 2 | Bonnet | Flame-retardant PBT (UL-94 standard V-0 equivalent) | ADC12 | Urban white |
| 3 | Handle | Flame-retardant PBT (UL-94 standard V-0 equivalent) | ADC12 | Red |
| 4 | Cam ring | POM | - | |
| 5 | Spool | PBT | - | |
| 6 | Spool O-ring | H-NBR | - | |
| 7 | Spool spring | Stainless steel | - | |
| 8 | Sleeve | POM | - | |
- *The VHS Series cannot be disassembled.
Option part numbers
| Model | Bracket assembly part no. Note 1) | Silencer assembly part no. Note 2) |
|---|---|---|
| VHS20 | VHS20PW-180AS | VHS20PW-190AS |
| VHS30 | VHS30PW-180AS | VHS30PW-190AS |
| VHS40 | VHS40PW-180AS | VHS40PW-190AS |
| VHS40-06 | VHS40PW-180-06AS | VHS40PW-190-06AS |
| VHS50 | VHS50PW-180AS | VHS50PW-190AS |
- *Note 1) Bracket: 1 pc., Mounting screws: 2 pcs.
- *Note 2) Element (11), element O-ring (12), element cover (13) 1 pc. of each
Conforming To OSHA Standard, Pressure Relief 3-Port Valve (Single Action) With Locking Holes VHS20/30/40/50 Series Dimensions
(Unit: mm)
Conforming To OSHA Standard, Pressure Relief 3-Port Valve (Single Action) With Locking Holes VHS20/30/40/50 Series: dimensional drawing
External Dimensions
| Model | Standard specification | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P1 | P2 | A | B | C | D | E | F | G | H | I | J | K | L | M | ||
| A type | B type | |||||||||||||||
| VHS20 | 1/8, 1/4 | 1/8 | 66.4 | 22.3 | 40 | 37.5 | 14 | 46.6 | 47.2 | 33.6 | 28 | 43 | 24 | 4.5 | 14.8 | 9 |
| VHS30 | 1/4, 3/8 | 1/4 | 80.3 | 29.4 | 53 | 49 | 19 | 52 | 38 | 30 | 49 | 30 | 4.5 | 19 | 9 | |
| VHS40 | 1/4, 3/8, 1/2 | 3/8 | 104.9 | 38.5 | 70 | 63 | 22 | 58 | 44 | 36 | 63 | 38 | 5.5 | 24 | 10 | |
| VHS40-06 | 3/4 | 1/2 | 110.4 | 42 | 75 | 63 | 22 | 58 | 44 | 44 | 63 | 43 | 5.5 | 26 | 10 | |
| VHS50 | 3/4, 1 | 1/2 | 134.3 | 53 | 90 | 76 | 26 | 76 | 61 | 53 | 81 | 50 | 6.5 | 31 | 12 | |
| Model | Option specification | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| With Bracket | Built-in silencer | |||||||||||
| N | Q | R | S | T | U | V | W | X | Y | AA | BB | |
| VHS20 | 5.4 | 8.4 | 27 | 40 | 75.4 | 31.3 | 25.3 | 53.3 | 30 | 2.3 | 3 | 12 |
| VHS30 | 6.5 | 10 | 36.5 | 53 | 90.9 | 40 | 33 | 67 | 41 | 2.3 | 3 | 14 |
| VHS40 | 8.5 | 19 | 43.5 | 70 | 119.4 | 53 | 44 | 79 | 50 | 2.8 | 3 | 19 |
| VHS40-06 | 8.5 | 19 | 43.5 | 70 | 123.4 | 55 | 46 | 79 | 50 | 2.8 | 4 | 22 |
| VHS50 | 11 | 27.5 | 49.5 | 90 | 152.3 | 71 | 60 | 108 | 70 | 3.2 | 4 | 22 |