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CN | EN

Double spring type valve

Technical Parameters

Product model: A37H/38Y/43H
Nominal diameter: DN50~150mm
Nominal pressure: PN1.6~6.4MPa
Applicable temperature: 0 ° C~350 ° C
Applicable medium: steam, condensate
Main material: cast steel, forged steel, stainless steel

Product Details

Product Overview
The double spring safety valve is suitable for equipment and pipelines with working temperatures ≤ 350 ℃ for steam, air, and other media. When the pressure inside the equipment and pipelines exceeds the allowable value, the valve automatically opens and then fully discharges. When the pressure drops to the specified value, the valve automatically closes to ensure the safe operation of the equipment and pipelines. The dual spring safety valve is suitable for the liquid phase outlet pipe of liquefied petroleum gas with a working temperature of -40~80 ℃. When the pressure difference between the inlet and outlet is 0.5MPa, liquefied petroleum gas can automatically reflux into the tank.


Main overall connection dimensions

model

size（mm）

WT（kg）

DＮ

Ｌ

Ｌ１

Ｂ

ＤＮ

ｄｏ

16C
A37H-25
40

80

145

310

205

65

2×50

68.7

100

160

355

255

80

2×65

858.8

125

170

380

380

100

2×80

148

16C
A38Y-25
40

80

135

290

290

65

2×32

52.7

100

170

350

350

80

2×50

81.8

150

225

410

410

125

2×80

215

16C
A43H-25
40

50

115

225

225

32

2×25

39

80

135

285

285

50

2×40

52.7

100

160

355

355

80

2×65

137.8

150

190

410

41

100

2×80

213

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