Fire Protection Pressure Reducing Valve

Description

Fire Protection Pressure Reducing Valve

Fire Protection Pressure Reducing Valve
Fire Protection Pressure Reducing Valve

For Water Control Valve, Please browse our Water Valve Website  www.zecovalve.com

Application

Product Scope: NPS 2” ~ NPS20” , 10bar ~ 25bar

Features:

Sensitive and Accurate Pressure Control

Easy Adjustment and Maintenance

Tamper Resistant

Fully Supported Frictionless Diaphragm

Meets National Lead Reduction Mandate

Fire Protection System

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.

ZhengFeng manufactures valves in more than 50 different alloys.

 

Pressure Reducing Valve Flow Chart
Pressure Reducing Valve Flow Chart
NPS In 2 2 1/2 3 4 5 6 8 10 12 14 16 18 20
L mm 205 216 260 320 362 415 500 605 725 787 787 864 914
D mm 165 185 200 220 250 285 340 400 455 520 580 640 715
K mm 125 145 160 180 210 240 295 355 410 470 525 585 650
d mm 99 118 132 156 184 211 266 319 370 429 480 503 548
C mm 19 19 19 19 19 19 20 22 24.5 26.5 28 30 31.5
n-φ mm 4-19 4-19 8-19 8-19 8-19 8-23 12-23 12-28 12-28 16-28 16-31 20-31 20-34
H mm 230 240 260 280 300 380 390 450 460 490 520 600 680

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