NRV Check Valve
NRV Check Valve Details
Our NRV Check Valves are crafted to ensure that flow only goes one way, effectively stopping any reverse flow to safeguard pumps and pipelines from potential damage. These valves work automatically, relying on internal pressure and gravity to shut off when the flow direction changes, so you don’t have to lift a finger. Made from tough, corrosion-resistant materials, they’re perfect for a variety of applications, including water, oil, gas, and chemicals. Plus, their compact and low-maintenance design means they’ll keep performing well, even in tough conditions.
Types Of Check Valve
- Horizontal FE Check Valve
- Vertical FE Check Valve
- Wafer Check Valve
Technical Specification
| PART NO | QTY | DESCRIPTION | MATERIAL |
| 1 | 1 | BODY | C.I/WCB/CF8/CF8M |
| 2 | 2 | SEAT RING | AISI 304/316 |
| 3 | 1 | SPRING | AISI 304/316 |
| 4 | 1 | MAIN VALVE | AISI 304/316 |
| 5 | 1 | SPINDLE | AISI 304/316 |
| 6 | 1 | GASKET | COMPRESED ASBESTOS FIBRE/ |
| S.S. 304 SPIRAL WOUND WITH CAF | |||
| 7 | 1 | BONNET | C.I/WCB/CF8/CF8M |
| 8 | 1 | BONNET BUSH | AISI 304/316/BRONZE |
| 9 | AS REQD | BONNET STUD NUT | S.S. |
DIMENSION
| SIZE | L | B | F | D | T | E | G |
| 15 | 130 | 45 | 65 | 95 | 14 | 4 | 14 |
| 20 | 160 | 58 | 75 | 105 | 16 | 4 | 14 |
| 25 | 160 | 68 | 85 | 115 | 16 | 4 | 14 |
| 40 | 200 | 88 | 150 | 16 | 4 | 18 | |
| 50 | 230 | 102 | 125 | 165 | 18 | 4 | 18 |
| 65 | 290 | 122 | 145 | 185 | 18 | 8 | 18 |
| 80 | 310 | 138 | 160 | 200 | 20 | 8 | 18 |
| 100 | 350 | 158 | 190 | 220 | 20 | 8 | 18 |
| 125 | 400 | 188 | 220 | 270 | 25 | 8 | 27 |
| 150 | 480 | 212 | 250 | 285 | 26 | 8 | 27 |
| TEST PRESSURE : | ||||
| CLASS | HYDROSTATIC | PNEUMATIC TEST | MAX. TEMP. | |
| BODY | SEAT & BACK SEAT | |||
| ND-40 | 60Kg/cm2 | 40Kg/CM2 | 7Kg/CM2 | 454 C |
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