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CN | EN

Spring micro rev. Type the relief valve

Technical Parameters

Product models: A27H, A28H/Y
Nominal diameter: DN15~80mm
Nominal pressure: PN1.0~4.0MPa
Working temperature: ≤ 200 ℃
Main material: cast steel, forged steel, stainless steel
Applicable media: air, steam, water, nitrogen hydrogen mixture, etc

Product Details

Product Overview
The A27H/A28 spring micro lift safety valve is suitable for equipment or pipelines with working temperatures ≤ 200 ℃ for media such as water, air, steam, etc. The A27Y spring micro lift safety valve is suitable for equipment or pipelines with corrosive media working temperature ≤ 200 ℃, as an overpressure protection device.



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Main overall connection dimensions

DN（mm）

SIZE（mm）

WT
（kg）

do

ZG

G

S

L

L1

H

15

15

1/2″

1/2″

30

35

50

160

1.5

20

14

3/4″

3/4″

34

45

55

170

2

25

20

1″

1″

40

45

65

170

2.8

32

20

1-1/4″

1-1/4″

45

55

85

175

3

40

25

1-1/2″

1-1/2″

50

60

90

230

5.0

50

38

2″

2″

60

75

105

270

8

65

50

2-1/2″

2-1/2″

70

115

130

370

17

80

65

3″

3″

80

130

150

400

23.5

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