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Check valves feature cast brass* bodies with a spring loaded clapper assembly making this valve suitable for vertical or horizontal installations. Features metal faced clapper with O-ring seat. Rated to 300 psi. Valve bodies are tapped and plugged 1/2" IPS for additional equipment such as a ball drip valve when used in conjunction with a Fire Department Connection or a pressure gauge when used in a supply line.
*Contains lead. Not for use in water systems intended for human consumption.
| Items |
 1 1/2-09-577-FNPT X FNPT 09-577 Check Valve, 1 1/2 FxF NPT UL |
1 1/2-09-575-MNPT X FNPT 09-575 Check Valve, 1 1/2 MxF NPT UL |
1 1/2-09-574-MNPT X GRV 09-574 Check Vlv 1 1/2 MNPTxGRV UL |
1 1/2-09-576-GRV X GRV 09-576 Check Valve, 1 1/2 GRV UL |
2-09-570-MNPT X FNPT 09-570 Chk Vlv, 2 MNPTxFNPT UL/ULC/FM |
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| Type | Check Valve | |||||||||
| Style | Spring | |||||||||
| Valve Size | 1 1/2 in | 1 1/2 in | 1 1/2 in | 1 1/2 in | 2 in | |||||
| Body Material | Cast Brass | |||||||||
| Spring Material | Stainless Steel | |||||||||
| Clapper Material | Brass ASTM c37700 | |||||||||
| Pin Material | Brass ASTM c86300 | |||||||||
| O-Ring Material | NBR1052 | |||||||||
| Threaded Port Material | Brass | |||||||||
| Max. Rated Pressure | 300 psi | |||||||||
| Product Number | 4380003550 | 4380003540 | 4380003520 | 4380003540 | 4380003500 | |||||
| UPC Code | 87989800760 | 87989800758 | 87989800757 | 87989800759 | 87989800540 | |||||
| HPH Code | NA | |||||||||
| Weight | 5.49 lb | 5.83 lb | 5.74 lb | 5.83 lb | 5.66 lb | |||||
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