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CN | EN

Take the handle all the rev. Type the relief valve spring

Technical Parameters

Product model: A48H/Y
Nominal diameter: DN20~250mm
Nominal pressure: PN1.6~10.0MPa
Working temperature: -29 o C~+540 o C
Structural form: spring fully open type
Drive mode: automatic spring takeoff, with wrench
Main material: cast steel, forged steel, stainless steel
Applicable media: air, petroleum gas, liquid, etc

Product Details

Product Overview
The fully open safety valve with a wrench spring is suitable for equipment and pipelines with steam, air, and other media with a temperature ≤ 350 ℃. It serves as an overpressure protection device. When the pressure inside the equipment and pipeline 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.


Main overall connection dimensions

DN（mm）

SIZE（mm）

WT（kg）

do

L

L1

DN

H

25

15

100

95

32

310

10.5

32

20

115

100

40

325

12.2

40

25

120

110

50

340

15.5

50

32

135

120

65

335

20

65

40

160

140

80

435

30

80

50

170

150

100

435

33.5

100

65

205

160

125

565

58.5

150

100

255

230

175

620

102

200

125

305

285

250

737

179

250

150

350

320

300

1006

370

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