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The model WSSCV is an all stainless steel in-line check valve for steam, gas, or liquid service. It provides tight shut-off, minimizes water hammer and also stops recycling of pumps by preventing back flow of liquid. Used in the petrochemical, pulp and paper, textile and food and beverage industries. The WSSCV all stainless steel check valves will operate much longer and are less problematic than bronze or cast iron check valves.
Watson Mcdaniel In-Line Check Valve, NPT Connection, 1 in Nominal, 500 lbf/sq-in Operating, 750 lbf/sq-in at 100 deg F Allowable Pressure, 22 Flow Coefficient, 316 Stainless Steel Body, 316 Stainless Steel Disc, 850 deg F at 420 lbf/sq-in Allowable, 3.32 in L x 2.56 in H
| Body Material | : | 316 Stainless Steel |
| Connection Type | : | NPT |
| Dimensions | : | 3.32 in L x 2.56 in H |
| Disc Material | : | 316 Stainless Steel |
| Flow Coefficient (Cv) | : | 22 |
| Nominal Size | : | 1 in |
| Pressure Rating | : | 500 lbf/sq-in Operating, 750 lbf/sq-in at 100 deg F Allowable |
| Temperature Rating | : | 850 deg F at 420 lbf/sq-in Allowable |
- 316 stainless steel Body and internals
- Low cracking pressure on spring 1/4 lb/sq-in to minimize resistance and maximize flow
- Spring made from Inconel-X-750 to handle extreme temperature as well as corrosive applications
- Body is seam-welded to eliminate O-rings or gasket seals which can be affected by high temperature steam or hot condensate
- Spring assisted closing of check valve to minimize noise and wear
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