Name : BUTTERFLY NON-SLAM CHECK VALVE

Type : H44X, H47H

Nominal Diameter : 2"-40"

Pressure Class : 1.0MPa—4.0MPa

Suitable Temperature : LESS THAN 400 DEG

Suitable Medium : Oil,Water,Sour and Surlphur Liquid etc.

Material : WCB ETC
 
 
 
 

Construction and use

  H74I,II type wafer round check valves prodeuced by this factory are a kind of ultrathin check valve,having these features such as simple structure,nice outline, light weight,convenient to install etc.it is mainly applied in the industries such as water-supply system,petroleum,chemical industry,metallurgy etc.and specially on limited installation spaces.

Main technique parameter

Type Nominal pressure Test Pressure Suitable temperature Suitable medium
Shell Seal Hard seal Soft seal
H74 X -10 1 1.5 1.1 ≤400

≤120

[最高≤250]

oil,water,Sour,sulphur etc.Liquid
H
H74 X -16 1.6 2.4 1.76
H
H74 X -25 2.5 3.75 2.75
H
H74 A -40 4.0 6.0 4.4
H

Mostly material

Part name Body Disc Seal ring
Material Carbon steel,stainless steel,Copper Acrylonitrile-butadiene rubber,tripropyl rubber,teflon

Main exterior dimension

Nominal diameter DN d L D
I型 II型 PN1.0 PN1.6 NP2.5 PN4.0
50 25 15 22 109 109 109 109
65 38 15 22 129 129 129 129
80 46 15 22 144 144 144 144
100 72 15 24 164 164 1`70 170
125 95 16 26 194 194 168 186
150 114 19 29 221 221 226 226
200 140 29 43 275 275 286 293
250 188 29 43 330 331 343 355
300 216 38 50 380 386 403 420
350 263 41 52 440 446 460 477
400 305 51 62 491 498 517 549
450 356 51 62 541 558 567 547
500 406 65 80 586 620 627 631
600 482 70 90 698 737 734 750

 
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