Butterfly Valve
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Gb Flange, Wafer Butterfly Valve(Metal Seat, Soft Seat)
PRODUCT STANDARDS
■ Design standards: GB/T 12238
■ Face to Face: GB/T 12221
■ Flange end: GB/T 9113, JB/T 79, HG/T 20592
■ Test standards: GB/T 13927SPECIFICATIONS
■ Nominal pressure: PN0.6,1.0,1.6,2.5,4.0MPa
■ Shell test pressure: PT0.9,1.5, 2.4, 3.8, 6.0MPa
■ Low-pressure closure test: 0.6MPa
■ Suitable medium: water, oil, gas, acetic acid, nitric acid
■ Suitable temperature: -29℃~425℃
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Ansi Flange, Wafer Butterfly Valve (Metal Seat, Soft Seat)
PRODUCT STANDARDS
• Design standards: API 609
• Face to Face: ASME B16.10
• Flange end: ASME B16.5
- Test standards: API 598
specifications
• Nominal pressure: Class 150/300
• Shell test pressure: PT3.0, 7.5MPa
• Low-pressure closure test: 0.6MPa
• Suitable medium: water, oil, gas, acetic acid, nitric acid
• Suitable medium: -29°C-425°C -
Handle wafer butterfly valve
The middle line is clamped and sealed to ensure the two-way sealing of the valve.
Small torque, long service life
Detachable maintenance, convenient for later maintenance and replacement
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Flange butterfly valve
Main Parts Material NO. Name Material 1 Body DI/304/316/WCB 2 Stem Stainless Steel 3 Material Stainless Steel 4 Butterfly plate 304/316/316L/DI 5 Coated rubber NR/NBR/EPDN MAIN SIZE AND WEIGHT DN 50 65 80 100 125 150 200 250 300 350 400 450 L 108 112 114 127 140 140 152 165 178 190 216 222 H 117 137 140 150 182 190 210 251 290 298 336 380 Hl 310 333 ...