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5.0 MPa Check Valve, VCHC40 Series
Improved durability in high-pressure environments, thanks to the polyurethane elastomer poppet
(i)Caution
- Product images may be representative images. Refer to the catalog for details
Part Number
Configured Part Number is shown.
5.0 MPa Check Valve, VCHC40 Series Specifications
VCHC40 Series external appearance
VCHC40 Series symbol
VCHC40 Series features
| Model | VCHC40 | |
|---|---|---|
| Operating pressure | 0.05 to 5.0 MPa | |
| Cracking pressure | 0.05 MPa | |
| Orifice diameter | ø16 (orifice diameter 16 mm) | |
| Flow rate characteristics | C value (effective cross-sectional area) | 28 dm3/(s/bar) (140 mm2) |
| b | 0.15 | |
| Cv | 7.4 | |
| Fluid | Air | |
| Fluid temperature | 5 to 80°C | |
| Ambient temperature | 5 to 80°C | |
| Body material | Brass | |
| Sealing material | Polyurethane elastomer | |
| Port size | G3/4, 1 (Conforming to ISO 1179-1 on the pneumatic/hydraulic G thread) | |
| Mounting orientation | Unrestricted | |
| Weight | 1.02 kg | |
Structure drawing
VCHC40 Series Structure Drawing
| Number | Part name | Material |
|---|---|---|
| 1 | Body | Brass |
| 2 | O-ring | NBR |
| 3 | Piston | Aluminum + hard anodized aluminum |
| 4 | Poppet | Polyurethane elastomer |
| 5 | Set screw | Stainless steel |
| 6 | O-ring | NBR |
| 7 | Nut | Stainless steel |
| 8 | Guide ring | Resin |
| 9 | Spring | Stainless steel |
| 10 | Plate | Steel + electroless nickel plated |
| 11 | Hexagon socket head cap screw (with SW) | Carbon steel |
Drawings
(Units: mm)
VCHC40 dimensional drawing 1
VCHC40 dimensional drawing 2
VCHC40 dimensional drawing 3
Precautions
Selection
Applicable fluids
- *Corrosive gas: Do not use corrosive gas as it may cause corrosive stress cracks and other problems.
Piping
Wrapping the sealing tape (when R screw is installed)
Wrapping the Sealing Tape
- *Sealing tape is not required as this product uses a pneumatic and hydraulic purpose G thread which conforms to ISO 1179-1.
- *When an R (taper) thread is used, leave 1 to 2 threads exposed at the tip before winding the sealing thread around it 4 to 5 times.
Always tighten threads with the proper tightening torque
*When attaching fittings to valves, tighten with the proper tightening torque shown below.
- Connection threads (G, Rc 3/4): Proper tightening torque 28 to 30 N·m
- Connection threads (G, Rc 1): Proper tightening torque 36 to 38 N·m
Operating environment
- *Do not use in locations with an explosive atmosphere.
- *Implement suitable protective measures in locations exposed to water, oil or spatter from soldering, etc.
Maintenance and inspection
Storage
- *In the case of long term storage after use, first thoroughly remove all moisture to prevent rust and deterioration of rubber materials.
| Part Number |
|---|
| VCHC40-06G |
| VCHC40-10G |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Operating Pressure Range (MPa) | Effective Sectional Area (mm2) | Cracking Pressure (MPa) | Connection Dia. |
|---|---|---|---|---|---|---|---|---|
SGD 480.55 | 1 Piece(s) | 32 Day(s) | - | - | - | 3/4 | ||
SGD 480.55 | 1 Piece(s) | 32 Day(s) | 0.05 to 5.0 | 140 | 0.05 | 1 |
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Basic Information
| Type | Pilot-operated | Main Body Shape | Elbow | Material | Brass |
|---|---|---|---|---|---|
| Seal Material | Nitrile Rubber | Input Side, Port Type P | Female Thread | Output Side, Port Type A | Female Thread |
| Effective Sectional Area【classification】(㎜2) | ~200 | Types of Screw | G |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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