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JIS Wafer Butterfly Valve

Size Range: 2~8"(DN50~DN200)

Pressure: PN10, PN16, JIS5K,JIS10K,JIS16K

Body Materials: Cast Iron, Ductile Iron, WCB , Stainless Steel, Bronze

Seat Materials: NBR, EPDM, VITON, PTFE

Disc Materials: Ductile Iron, WCB, CF8,CF8M, Al-bronze C958

Stem Materials: SS416, SS304, SS316

End Connection: Wafer

Operate: Manual, Worm gear, Pneumatic, Electric-Motorized

Disc type: With-pin, One Shaft without pin, Double shaft without pin

Categories

Tel: +86 18538315922
Fax: +86-371-55883235
E-mail: weisidun@wsdvalve.com
Address: ZhengZhou,HeNan,China.

Standard:

Valve Design: API 609,

Face To Face: DIN3202, BS 5155,MSS SP-67,

Pressure Test: API 598

Flange Drilling:ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16

Top Flange: ISO5211

Features:

Single Eccentric Disc-Shaft

Anti-Blow Out Stem

Bi-Directional

Fire safe Design

Low Friction Body Seat

Zero Leakage

Inspection and Test :

Body Test: 1.5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is called as a body hydro test.

Seat Test: 1.1 times the working pressure with water.

Function / Operation Test: At the time of final inspection, each valve and its actuator (Flow-Control Lever / Gear / Pneumatic Actuator), under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.

Special Test: On request, any other test can be carried out according to special instruction by client.

 

Parameters

WeiSiDun Group

DN D D1 L A B N-Ø2 f F1 F2 F3
100 220 180 M16 52 100 185 4-10 5 90 70 15.8
125 250 210 M16 56 123 191 4-10 5 90 70 18.9
150 285 240 M20 56 135 206 4-10 5 90 70 18.9
200 340 295 M20 60 163 239 4-12 5 125 102 22.2
250 395 350 M20 68 198 272 4-12 8 125 102 28.5
300 445 400 M20 78 226 317 4-14 8 150 125 31.6
350 505 460 M20 78 265 333 4-14 8 150 125 31.6
400 565 515 M24 88 290 362 4-18 10 210 140 33

 

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