Pressure Relief Valve Double Chamber
Categories: Pressure Control Valve, Water Control Valve
Tags: Pressure Control Valve, Pump Valve
Description
Pressure Relief Valve(Double Chamber)
![Pressure Relief Valve Double Chamber](https://zecovalve.com/wp-content/uploads/2022/06/Pressure-Relief-Valve-Double-Chamber-300x225.jpg)
Pressure Relief Valve(Double Chamber)Zeco Pressure Relief Valve(Double Chamber) is used for fire test circulation systems and other water supply systems in high-rise buildings.
Application
Product Scope: NPS 2” ~ NPS22” , 10bar ~ 25bar
Features:
Accurate Pressure Control
Fast Opening to Maintain Line Pressure
Slow Closing to Prevents Surges
Minimal External Accessories
Face to Face Dimensions:AMSE B16.10
Flange End Dimension :AMSE B16.10
Coating: Fusion Bonded Epoxy Coating
Inspection and Test:API 598 / ISO 5208 / EN 12226-2
Part | Material | EN Spec. |
Body | Ductile Iron | EN-JS1050 |
Bonnet | Ductile Iron | EN-JS1050 |
Trim | Stainless Steel 420
Stainless Steel 431 |
BS970 420S37
BS970 431S29 |
Seat | Stainless Steel 420
Stainless Steel 431 |
BS970 420S37
BS970 431S29 |
Diaphragm | EPDM / NBR | Commercial |
For materials options not listed,consult factory.
Zeco manufactures valves in more than 50 different alloys. |
NPS | In | 2 | 2 1/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 |
L | mm | 210 | 230 | 260 | 292 | 320 | 380 | 500 | 605 | 725 | 733 | 914 | 978 | 1075 | 1219 |
H1 | mm | 160 | 190 | 226 | 260 | 318 | 345 | 410 | 531 | 640 | 700 | 720 | 781 | 830 | 916 |
H | mm | 90 | 100 | 110 | 120 | 130 | 150 | 180 | 215 | 235 | 265 | 300 | 330 | 370 | 430 |
A1 | mm | 135 | 140 | 161 | 170 | 178 | 209 | 230 | 248 | 293 | 335 | 335 | 370 | 416 | 470 |
A | mm | 226 | 243 | 263 | 290 | 320 | 356 | 410 | 466 | 510 | 571 | 633 | 690 | 776 | 908 |