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Location：PRODUCTS >> Safety valve >> Spring-loaded safety valve with spring
Spring-loaded safety valve with spring
Model: A40Y-100C
Nominal diameter: DN20 ~ 200mm
Nominal: PN1.6 ~ 2.5MPa
Operating temperature: ≤300 ℃
Medium: LPG, air, water
Applications: Suitable for chemical, petrochemical, oil, paper, Mining, Electricity, Liquefied Gas, Food, Pharmaceutical, Water Supply and Drainage, Municipal Facilities, Machinery and Equipment, Electronics Industry, Urban Construction, etc.

Spring with a radiator spring-type safety valve main components and materials

NO.

Part Name

YA40Y-C material

YA40Y-P material

YA40Y-I material

1

Body

WCB

ZG1Cr18Ni9Ti

ZG1Cr5Mo

2

Seat

2Cr13

1Cr18Ni9Ti

1Cr18Ni9Ti

3

Adjustment ring

2Cr13

1Cr18Ni9Ti

1Cr18Ni9Ti

4

Disc

2Cr13

1Cr18Ni9Ti

1Cr18Ni9Ti

5

Guide sleeve

2Cr13

1Cr18Ni9Ti

1Cr18Ni9Ti

6

heat sink

ZG230-450

ZG230-450

ZG230-450

7

cap

ZG230-450

ZG230-450

ZG230-450

8

spring

50CrVA

50CrVA coated fluoroplastic

50CrVA coated fluoroplastic

9

Valve stem

2Cr13

1Cr18Ni9Ti

2Cr13

10

Adjust the screw

45

1Cr18Ni9Ti

2Cr13

11

Bonnet

ZG200-400

ZG200-400

ZG200-400

 

Sealing surface material

Surfacing Co-based cemented carbide

 

Spring-loaded safety valve with spring Dimensions and connection dimensions

model

Nominal diameter

do

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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