Application and features：

It was newly developed according to the special condition of fans & blowers and parameters. It is of great realease, small bulk, flexible and exact action, simple testing, and has no fluids releasing contrast strength. It can more efficiently ensure the safety of fans and equipment.

Nominal pressure：PN1.0～2.5MPa
Pressure range of valve opening：0.02～0.2MPa(accoring to customers' needs)
Body materials:WCB、CF8、CF8M、ZG1Cr18Ni9Ti、 ZG1Cr18Ni12Mo2Ti
Type of connection：flange
Product model：AF4QH-10C、AF4QH-16C、AF4QH-25

Nominal pressure

PN MPa）

Nominal diameter DN（mm）

25

32

40

50

65

80

100

125

150

200

1.0

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1.6

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2.5

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