Pressure Relief Valve Double Chamber

Description

Pressure Relief Valve(Double Chamber)

Pressure Relief Valve Double Chamber
Pressure Relief Valve Double Chamber

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

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