Main Parts & Materials

Valve Body: Gray cast iron

Valve seat: Phenolic resin butyl +acrylic adhesive

Valve plate: Ductile iron

Valve shaft: Carbon steel, Stainless steel.

Usage: D71X-10/10Q/16/16Q used in various pipelines of water supply and drainage, building fire

protection and other systems, especially in fire protection pipelines. The valve can be used on pipelines or

equipment with non corrosive medium for intercepting, connecting and regulating flow.

Application: chemitry industry, oil and gas industry etc.

 

Function & Specification

Type Nominal pressure(Mpa) Test pressure(Mpa)

Applicable

temperature(°C)

Applicable media
    Strength(water) Seal(water)    
D71X-10/10Q 1.0-1.6 1.5 1.1 -10-80°C Water
D71X-16/16Q 1.0-1.6 2.4 1.76 -10-80°C Water

 

Outline & Connecting Measurement

Model Nominal diameter Size
DN(mm)   φ H B Z-φd L
Q71X-10/16 40 110 160 43 4-φ21 234
50 125 170 43 4-φ23 234
65 145 178 46 4-φ23 261
80 160 202 46 4-φ23 261
100 180 222 52 4-φ23 259.5
125 210 233 56 4-φ23 312
150 240 257 56 4-φ26 312
200 295 295 60 4-φ26 360

 



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