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QV47 Flanged, QV77 Wafer Type Series Carbon Steel, Stainless Steel V Type Ball Valve
Product documents:
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File size: 195.9KB
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File size: 283.0KB
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Product Details
Features
01. Diameter range: DN20～600 (Flange type), DN20～250 (Wafer type)
02. Nominal pressure: normally PN16bar, specially PN25, 40, 63bar, Class150,300Lb
03. The V-shaped notch has a shear effect between the ball and the valve seat, suitable for media containing fibers, solid particles, slurry, etc
04. Flow characteristics: approximately equal percentage, Leakage :According to the provisions of GB/T13927, the soft sealing is level A and
the hard sealing is level D
05. Valve seat sealing material: normally soft sealing---PTFE (code:P)
specially hard sealing---Alloy steel(code:H), Body material(code:W), hard alloy(code:Y)
06. Applicable medium temperature: Carbon steel normally Ⅲa: -29～150℃, specially Va: -29～350℃
Stainless steel normally Ⅲb: -40～150℃, specially Vc: -40～450℃
07. Valve body material: normally---Cast steel WCB (code:C), SS304 (code:B)
specially---SS316(code:R)，SS316L(code:L)
08. Unidirectional sealing, the flow direction of the medium must be consistent with the arrow direction on the valve body,and can be installed
at any angle. It is recommended to install horizontally
Component Material Table
Note:◇---valve seat sealing material, ■---nominal diameter.
Structure Diagram
Note:
Conventional opening angle of the ball DN20～40(70°), DN50(90°),DN65(80°), DN80(90°), DN100～150(80°), can also be customizedaccording to user requirements, such as 60°, 45°, 30°, etc.
External Dimension (Soft Sealing/Hard Sealing)
Note:
- ◇---valve disc sealing material,*---omission symbol, omits content.
- The flange is manufactured according to JB/T79-1994 standard by default, and can also be manufactured according to user specifiedstandards, such as GB/T9124, HG/T20592, ANSI, JIS, DIN, etc.
Keywords： QV47 Flanged, QV77 Wafer Type Series Carbon Steel, Stainless Steel V Type Ball Valve
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