A28HSpring Loaded Safety Valve适用于工作温度≤200℃的空气、蒸气、水、氮氢混合气等介质的设备或管路上，作为超压保护装置。

Structure and working principle

  • This valve consists of valve shell, valve seat, valve stem, valve flap, spring and other parts.
  • This valve when not working or not reached the specified working pressure, relying on the pressure of the spring will valve flap tightly pressed on the valve seat to keep it sealed, when the working pressure exceeds the specified working pressure, the valve flap automatically open, to exclude the medium, so that the pressure does not continue to rise, to ensure that the use of safety.

Product Parameters

产品型号

A28H-16C

阀体材质

铸钢

公称压力

≤1.6Mpa

适用介质

空气、蒸气、水、氮氢混合气等

适用温度

≤200℃

Product Size Reference

通径

do

R

L

L1

G

≈H

DN15

10

1/2

37

65

3/4

196

DN20

12

3/4

40

70

1

215

DN25

15

1

45

78

1-1/4

233

DN32

20

1-1/4

60

90

1-1/2

304

DN40

25

1-1/2

67

105

2

325

DN50

32

2

76

115

2-1/2

346

DN65

40

2-1/2

110

145

3

372

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