CN | EN

Fully open safety valve with radiator spring

Technical Parameters

Product model: YA40Y
Nominal diameter: DN20~200mm
Nominal pressure: PN1.6~2.5MPa
Working temperature: ≤ 425 ℃
Applicable media: petroleum gas, air, water

Product Details

Product Overview
The fully open safety valve with a radiator is suitable for equipment and pipelines with working temperatures ≤ 425 ℃, and A40Y-16I-40I models are suitable for air, petroleum gas, and other media with working temperatures ≤ 425 ℃, as an overpressure protection device. When the pressure inside the equipment and passenger roads 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 equipment operates at full speed.



Main overall connection dimensions

model


DNdo

D

K

g

g1

b

f

f1

Z-ød

DN

D1

K1

g3

g2

b1

f

f1

z1-ød1

L

L1

≈H

YA40Y-16C
YA40Y-16P
YA40Y-16I

20

15

105

75


55

16

2


4-14

25

115

85


65

16

2


4-14

110

95

518

25

16

115

85


65

16

2


4-14

32

140

100


78

18

2


4-18

110

95

518

32

20

140

100


78

18

2


4-18

40

150

110


85

18

3


4-18

115

100

518

40

25

150

110


85

18

3


4-18

50

165

125


100

20

3


4-18

120

110

579

50

32

165

125


100

20

3


4-18

65

185

145


120

20

3


4-18

135

120

639

65

40

185

145


120

20

3


4-18

80

200

160


135

20

3


8-18

160

140

671

80

50

200

160


135

20

3


8-18

100

220

180


155

22

3


8-18

170

135

676

100

65

220

180


155

22

3


8-18

125

250

210


185

22

3


8-18

195

175

787

125

80

250

210


185

22

3


8-18

150

285

240


210

24

3


8-23

210

190

977

150

100

285

240


210

24

3


8-23

175

310

270


240

26

3


8-23

255

230

1035

200

125

340

295


265

26

3


12-23

250

405

355


320

30

3


12-26

300

260

1193

YA40Y-25 
YA40Y-25P 
YA40Y-25I

20

15

105

75


55

16

2


4-14

25

115

85


65

16

2


4-14

110

95

518

25

16

115

85


65

16

2


4-14

32

140

100


78

18

2


4-18

110

95

518

32

20

140

100


78

18

2


4-18

40

150

110


85

18

3


4-18

115

100

518

40

25

150

110


85

18

3


4-18

50

165

125


100

20

3


4-18

120

110

579

50

32

165

125


100

20

3


4-18

65

185

145


120

20

3


4-18

135

120

639

65

40

185

145


120

22

3


8-18

80

200

160


135

20

3


8-18

160

140

671

80

50

200

160


135

22

3


8-18

100

220

180


155

22

3


8-18

170

135

676

100

65

230

190


160

24

3


8-23

125

250

210


185

22

3


8-18

195

175

787

125

80

270

220


188

28

3


8-26

150

285

240


210

24

3


8-23

210

190

977

150

100

300

250


218

30

3


8-26

175

310

270


240

26

3


8-23

255

230

1035

200

125

360

310


278

34

3


12-26

250

405

355


320

30

3


12-26

300

260

1193


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