- Item Code: GM040
- Pressure Rating: PN-25
- Testing Standard: BSEN 12266 PART-1
- Size Range: 15mm to 100mm
- Product Standard: Mfg. Standard
Suitable For
Material Specification
| P. No. | NAME OF PART | MATERIAL | SPECIFICATION | |
|---|---|---|---|---|
| 1 | BODY | GUN METAL | BSEN 1982 Gr.CC491K | |
| 2 | COVER | GUN METAL | BSEN 1982 Gr.CC491K | |
| 3 | DISC | GUN METAL | BSEN 1982 Gr. CC491K | |
Dimensional Data
| SIZE (mm) | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 |
|---|---|---|---|---|---|---|---|---|---|
| ~H | 35 | 40 | 51 | 61 | 70 | 80 | 90 | 110 | 115 |
| L | 55 | 64 | 75 | 82 | 98 | 110 | 156 | 162 | 196 |
| ∅D | 95 | 105 | 115 | 140 | 150 | 165 | 185 | 200 | 235 |
| C∅ | 12.7 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 |
| T | 8 | 8 | 9 | 9 | 11 | 11 | 13 | 14 | 17 |
| K | 65 | 75 | 85 | 100 | 110 | 125 | 145 | 160 | 190 |
| n | 4 | 4 | 4 | 4 | 4 | 4 | 8 | 8 | 8 |
| d | 14 | 14 | 14 | 18 | 18 | 18 | 18 | 18 | 22 |
| Item Code | GM 040 | GM 040 | GM 040 | GM 040 | GM 040 | GM 040 | GM 040 | GM 040 | GM 040 |
Principle Features
- Screwed in cover.
- Gun Metal / Brass working parts, integral seat.
- 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, air, neutral liquids.
WORKING PRESSURE
- Maximum Working Pressure: 25 Bar.
- See Pressure/Temperature Diagram.
TEMPERATURE & LIMITS
- Maximum working temperature: 225°C.
- See Pressure / Temperature Diagram.