1.Product Introduction
The 300PSI Non Rising Stem Resilient-Seated(NRS) Gate Valve is designed to be the main control valve in an automatic fire sprinkler system.The gate valve features a Class 125 flange, flat face end connection for easy installation and accessibility. NRS gate valves are recommended when positive shutoff and a quick visual indicator of open/closed position is required. This valve features a pre-grooved stem for tamper switch mounting.
2.Product Feature And Application
Meet or exceed AWWA C515
Full Waterway
Adjustable Packing
Ductile Iron Wedge,EPDM Encapsulated
Face to Face Dimensions to ANSI/ASME B16.10
Flange Drilling to ANSI B16.1,Class 125
FM Approved 300PSI Rating
Fusion Bonded Epoxy Coated Interior and Exterior to AWWA C550 Standard
3.Main Parts
| Body | Ductile iron as A536, 65-45-12 | Bonnet | Ductile iron as A536, 65-45-12 |
| Resilient wedge disc | Ductile iron as A536, 65-45-12 + EPDM | Stem | SS304 / SS316 / SS420 / SS431 |
| Thrust washer | Brass as B124 C37000 | Post Flange | Ductile iron as A536, 65-45-12 |
