VHK-A Series Finger / Hand Valve – Residual Pressure Type

Brand :
SMC
Caution
- See catalog for specification details.
- Product images may be representative images. Refer to the catalog for details.
Product Description
Residual Pressure Relief 3 Port Hand Valve VHS400/500 that allows the flow direction to be confirmed with just a glance at the direction of the handle.
[Features]
· A safety manual switch valve for preventing accidents that can be caused by residual pressure while performing maintenance on pneumatic systems .
· The valve is compact with a large capacity.
Residual Pressure Relief 3 Port Hand Valve VHS400/500 Specifications
| Connecting direction | Left 1 (P)* | VHS400-02 | VHS400-03 | VHS400-04 | VHS500-06 |
|---|---|---|---|---|---|
| Right 1 (P)* | VHS401-02 | VHS401-03 | VHS401-04 | VHS501-06 | |
| Connection port size | 1/4 | 3/8 | 1/2 | 3/4 | |
| Cv factor | IN → OUT | 1.24 | 2.06 | 3.35 | 5.47 |
| OUT → EXH | 2.06 | 3.18 | 4.47 | 6.18 | |
| Applicable fluids | Air | ||||
| Proof pressure | 1.5 MPa | ||||
| Operating pressure | 0.1 to 1.0 MPa | ||||
| Ambient temperature and working fluid temperature | -5 to +60°C (no freezing) | ||||
| Handle switching angle | 90° | ||||
| Required switching force | 73.6 N (at 1.0 MPa) | ||||
| Paint color (standard) Note) | Handle: Black, Body: Platinum silver | ||||
| Mass kg | 0.25 | 0.34 | |||
- *The front face of the handle is the reference position.
- *Note) Handle: Silver, Body: Red (Made-to-order "-X1")
Model Number Notation

Model number notation: images
Structural drawing

Residual Pressure Relief 3 Port Hand Valve VHS400/500 Structural Drawing
| Number | Part name | Material | Note |
|---|---|---|---|
| 1 | Body | Die-cast aluminum | Chromate treatment |
| 2 | Valve guide | Zinc die-cast | Chromate treatment |
| 3 | Handle | Zinc alloy | Chromate treatment |
| 4 | Valve | Brass | - |
| 5 | Piston | Brass | - |
| 6 | Spring holder | Steel for construction | - |
| 7 | Parallel pin | Steel wire | Zinc chromated |
| 8 | Spring | Steel wire | Zinc chromated |
| 9 | Valve spring | Stainless steel | - |
| 10 | Seal | PVC | - |
| 11 | O-ring | NBR | JlS B2401 P12.5 |
| 12 | O-ring | NBR | Special |
- *The VHS Series cannot be disassembled.
Residual Pressure Relief 3 Port Hand Valve VHS400/500 Dimensions

VHS400/500 dimensional drawing

VHS401/501 dimensional drawing