- Item Code: GM042
- Pressure Rating: PN-25
- Testing Standard: BSEN 12266 PART-1
- Size Range: 15mm to 80mm
- Product Standard: BS 5154
Suitable For
Material Specification
| P. No. | NAME OF PART | MATERIAL | SPECIFICATION | |
|---|---|---|---|---|
| 1 | BODY | GUN METAL | BSEN 1982 Gr.CC491K | |
| 2 | DISC | 13% Cr.STEEL | ASTM A276 TYPE 410 | |
| 3 | SEAT RING | 13% Cr.STEEL | ASTM A276 TYPE 410 | |
| 4 | COVER | GUN METAL | BSEN 1982 Gr.CC491K | |
| 5 | UNION NUT | GUN METAL | BSEN 1982 Gr.CC491K | |
Dimensional Data
| SIZE (mm) | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 |
|---|---|---|---|---|---|---|---|---|
| L±1.5 | 57 | 65 | 81 | 88 | 100 | 120 | 166 | 203 |
| ~H | 37 | 40 | 45 | 52 | 62 | 80 | 96.5 | 105 |
| Rp | 1/2" | 3/4" | 1" | 1-1/4" | 1-1/2" | 2 | 2-1/2" | 3" |
| Item Code | GM 042 | GM 042 | GM 042 | GM 042 | GM 042 | GM 042 | GM 042 | GM 042 |
Principle Features
- Design Std.: BS 5154.
- Union cover.
- Renewable 13% Cr. Steel (SS410) working parts.
- Metal to metal seating.
- Disc is guided in body as well in cover to resist vibration induced by high flow velocity.
- Screwed female BSP parallel threads to BS21 / IS:554.
- Permit flow in one direction and closes automatically if the flow reverses.
- Suitable for only horizontal installation.
- Also available with Rubber / PTFE Seating for Air and Gas applications at an extra cost.
PRESSURE RATING: PN-25
| TEST PRESSURE(Hydrostatic) | |
|---|---|
| BODY | SEAT |
| 37.5 BAR (g) | 27.5 BAR (g) |
END CONNECTION
- Screwed Female Parallel Threads to BS21 / IS:554.
- Taper Threads available only upon request.
UTILISATION & SERVICE
- “LEADER” Gun Metal Horizontal Lift Check valves are suitable for above-ground installations.
- Best suited for hot & cold water, steam & oil.
WORKING PRESSURE
- Maximum Working Pressure: 25 Bar.
- See Pressure/Temperature Diagram.
TEMPERATURE LIMITS
- Maximum working temperature: 225°C.
- See Pressure / Temperature Diagram.
PRESSURE - TEMPERATURE RATING
- Maximum working pressure(steam): 10.5 bar at 186°C.
- 25 bar from 10°C to 100°C.