Quality That Lasts.

ANSI Standard Spring Loaded Safety Valve, Class 150 / 300 / 600 / 900 / 1500 lb
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Main property and specification

Normal Pressure

PN

150

300

600

900

1.jpg
1500

Body strength

Ps (MPa)

3.0

7.5

15

22.5

38

Set pressure

Pk (MPa)

0.1~2

1.6~5

3.2~10

8~15

10~25

Seal pressure

Pm

90%Pk

Reseating pressure

Ph

90%Pk

Relieving pressure

Pp

1.1Pk

Lift

H (mm)

1/20 do

Appropriate temperature

C

300

PR

200

Appropriate medium

Air, Oil, Steam, Water, Corrosive medium


Code of throat diameter

Code

Diameter

Code

Diameter

D

10

L

50

E

13

M

55

F

16

N

60

G

20.5

P

72

H

26

Q

96

J

33

R

115

K

40

T

148


Main Dimension

A41C150,    A41C150P,    A41C150R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

t’

b’

z-d’

L

L1

H

1/2”×1/2”

D

89

60.5

35

12

6

4-15

15

89

60.5

35

1.6

12

4-15

90

90

260

3/4”×1”

D

98

70

43

14

6

4-15

25

108

79.5

51

1.6

15

4-15

96

92

280

1”×1”

D

108

79.5

51

15

9

4-15

25

108

79.5

51

1.6

15

4-15

100

100

290

1”×2”

E

108

79.5

51

15

9

4-15

50

152

120.5

92

1.6

18

4-19

114

105

290

1 1/2”×1 1/2”

G

127

98.5

73

18

10

4-15

40

127

98.5

73

1.6

18

4-15

110

115

330

1 1/2”×2”

G

127

98.5

73

18

10

4-15

50

152

120.5

98

1.6

18

4-19

110

115

330

2×3”

J

152

120.5

92

18

10

4-19

80

190

152.5

127

1.6

22

4-19

124

130

350


A41C Type Pound-grade low lift spring loaded safety valve

A41C300,     A41C300P,   A41C300R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

t’

b’

z-d’

L

L1

H

1/2’’×1/2’’

D

95

66.5

35

15

6

4-15

15

89

60.5

35

1.6

12

4-15

90

90

260

3/4’’×1’’

D

117

85.5

43

16

10

4-19

25

108

79.5

51

1.6

15

4-15

96

92

280

1’’×1’’

D

124

90

51

18

6

4-19

25

108

79.5

51

1.6

15

4-15

100

100

290

1’’×2’’

E

124

90

51

18

6

4-19

50

152

120.5

92

1.6

18

4-19

114

105

290

1 1/2’’×1 1/2’’

G

156

114.5

73

20

9

4-22

40

127

98.5

73

1.6

18

4-15

110

115

330

1 1/2’’×2’’

G

156

114.5

73

20

9

4-22

50

152

120.5

92

1.6

18

4-19

110

115

330

2’’×3

J

165

127

92

22

8

8-19

80

190

152.5

127

1.6

22

4-19

124

130

350

Remark: 150Lb for outlet flange

A41C600,     A41C600P,   A41C600R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

3/4’’×1’’

D

117

82.5

43

16

6

4-15

25

108

79.5

51

15

1.6

4-15

105

110

280

1’’ ×2’’

D

124

90

51

20

9

4-19

50

152

120.5

92

18

1.6

4-19

115

105

290

1 1/2’’ ×1 1/2’’

F

156

114.5

73

22

10

4-22

40

127

98.5

73

18

1.6

4-15

147

165

330

1 1/2’’ ×2’’

F

156

114.5

73

22

10

4-22

50

152

120.5

92

18

1.6

4-19

147

165

350

Remark: 150Lb for outlet flange

A41C600,     A41C600P,   A41C600R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

1’’ ×1 1/2’’

D

150

101.6

51

28

15

4-25

40

156

114.5

73

20

1.6

4-22

125

125

320

1 1/2’’ ×1 1/2’’

F

178

124

73

32

14

4-28

40

156

114.5

73

20

1.6

4-22

150

194

350

1 1/2’’ ×2’’

F

178

124

73

32

15

4-28

50

165

127

92

22

1.6

8-19

140

105

350

Remark: 300Lb for outlet flange

 

WA41C Type Pound-grade balance bellows spring-loaded safety valve

39Main property and specification

Normal Pressure

PN

150

300

1500

Body strength

Ps (MPa)

3.0

7.5

37.5

Set pressure

Pk (MPa)

0.1~2

1.6~5

10~25

Seal pressure

Pm

90%Pk

Reseating pressure

Ph

90%Pk

Relieving pressure

Pp

1.1Pk

Lift

H (mm)

1/20 do

Appropriate temperature

C

300

PR

200

Appropriate medium

C

Gas, liquid

PR

Nitric Acid, Acetic Acid, Gas, Liquid

Code of throat diameter

Code

Diameter

Code

Diameter

D

10

L

50

E

13

M

   55

F

16

N

60

G

20.5

P

72

H

26

Q

96

J

33

R

115

K

40

T

148

Main Dimension

WA41C150,   A41C150P,     WA41C150R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

t’

b’

z-d’

L

L1

H

1/2’’×1/2’’

D

89

60.5

35

12

6

4-15

15

89

60.5

35

1.6

12

4-15

90

90

320

3/4’’×1’’

D

98

70

43

14

6

4-15

25

108

79.5

51

1.6

15

4-15

96

92

330

1’’×1’’

D

108

79.5

51

15

9

4-15

25

108

79.5

51

1.6

15

4-15

100

100

350

1’’×2’’

E

108

79.5

51

15

9

4-15

50

152

120.5

92

1.6

18

4-19

114

105

350

1 1/2’’×1 1/2’’

G

127

98.5

73

18

10

4-15

40

127

98.5

73

1.6

18

4-15

110

115

370

1 1/2’’×2’’

G

127

98.5

73

18

10

4-15

50

152

120.5

92

1.6

18

4-19

110

115

370

2’’×3

J

152

120.5

92

18

10

4-19

80

190

152.5

127

1.6

22

4-19

124

130

390

WA41C300,   A41C300P,     WA41C300R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

B

T

z-d

DN’

D’

D1’

D2’

T’

B’

z-d’

L

L1

H

1/2’’×1/2’’

D

95

66.5

35

15

6

4-15

15

15

89

60.5

1.6

12

4-15

90

90

320

3/4’’×1’’

D

117

85.5

43

16

10

4-19

25

25

108

79.5

1.6

15

4-15

96

92

330

1’’×1’’

D

124

90

51

18

6

4-19

25

25

108

79.5

1.6

15

4-15

100

100

350

1’’×2’’

E

124

90

51

18

6

4-19

50

50

154

120.5

1.6

18

4-19

114

105

350

1 1/2’’×1 1/2’’

G

156

114.5

73

20

9

4-22

40

40

127

98.5

1.6

18

4-15

110

115

370

1 1/2’’×2’’

G

156

114.5

73

20

9

4-22

50

50

152

120.5

1.6

18

4-19

110

115

370

2’’×3

J

165

127

92

22

8

8-19

80

80

190

152.5

1.6

22

4-19

124

130

390

Remark: 150Lb for outlet flange

WA41C1500

Normal

Demeter

DN (in)

Dimension     (mm)

Do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

1’’×1’’

D

150

101.6

51

29

10

4-25

25

125

90

51

1.6

18

4-19

125

125

360


A42CType Pound-grade low lift spring loaded safety valve

40Main property and specification

Normal Pressure

PN

150

300

600

900

1500

Body strength

Ps (MPa)

3.0

7.5

15

22.5

38

Set pressure

Pk (MPa)

0.1~2

1.6~5

3.2~10

8~15

10~25

Seal pressure

Pm

90%Pk

Reseating pressure

Ph

90%Pk

Relieving pressure

Pp

1.1Pk

Lift

H (mm)

1/4 do

Appropriate temperature

C

300

PR

200

Appropriate medium

Water, Oil, Air, Steam, Corrosive medium

Code of throat diameter

Code

Diameter

Code

Diameter

D

10

L

50

E

13

M

55

F

16

N

60

G

20.5

P

 72

H

26

Q

96

J

33

R

115

K

40

T

148

Main Dimension

A42C150,     A42C150P,   A42C150R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

1/2’’×3/4’’

D

89

60.5

35

12

6

4-15

20

98

70

43

14

1.6

4-15

90

90

260

3/4’’ ×1’’

D

98

70

43

14

10

4-15

25

108

79.5

51

15

1.6

4-15

96

92

280

1’’ ×1 1/2’’

D

108

79.5

51

15

7

4-15

40

127

98.5

73

18

1.6

4-15

115

105

290

1’’ ×2’’

D

108

79.5

51

15

7

4-15

50

152

120.5

92

18

1.6

4-19

115

105

290

1 1/2’’ ×2’’

G

127

98.5

73

18

6

4-15

50

152

120.5

92

18

1.6

4-19

121

124

320

1 1/2’’ ×2 1/2’’

G

127

98.5

73

18

6

4-15

65

178

139.5

105

20

1.6

4-19

121

124

340

1 1/2’’ ×3’’

G

127

98.5

73

18

6

4-15

80

190

152.5

127

22

1.6

4-19

124

130

340

2’’ ×2 1/2’’

J

152

120.5

92

18

6

4-19

65

178

139.5

105

20

1.6

4-19

124

130

360

2’’ ×3’’

J

152

120.5

92

18

6

4-19

80

190

152.5

127

22

1.6

4-19

124

130

360

2 1/2’’ ×4’’

J

178

139.5

105

20

7

4-19

100

229

190.5

157

24

1.6

8-19

143

137

360

3’’ ×4’’

L

190

152.5

127

22

10

4-19

100

229

190.5

157

24

1.6

8-19

162

156

450

4’’ ×6’’

N

229

190.5

157

24

12

8-19

150

279

241.5

216

26

1.6

8-22

229

181

510

6’’ ×8’’

P

279

241.5

216

26

10

8-22

200

343

298.5

270

29

1.6

8-22

241

240

740

8’’ ×10’’

R

343

298.5

270

29

10

8-22

250

406

362

324

31

1.6

12-25

279

276

810

12’’ ×14’’

T

483

432

381

32

10

12-25

350

533

476

413

35

1.6

12-28

370

360

860


A42C Type Pound-grade full lift spring loaded safety valve

A42C300,     HA42C300P,   A42C300R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

1/2’’×3/4’’

D

95

66.5

35

15

6

4-15

20

98

70

43

14

1.6

4-15

90

90

260

3/4’’ ×1’’

D

117

82.5

43

16

10

4-19

25

108

79.5

51

15

1.6

4-15

96

92

280

1’’ ×1 1/2’’

D

124

90

51

18

7

4-19

40

127

98.5

73

18

1.6

4-15

115

105

290

1’’ ×2’’

D

124

90

51

18

6

4-19

50

152

120.5

92

18

1.6

4-19

115

105

290

1 1/2’’ ×2’’

G

156

114.5

73

20

6

4-22

50

152

120.5

92

18

1.6

4-19

121

124

320

1 1/2’’ ×2 1/2’’

G

156

114.5

73

20

9

4-22

65

178

139.5

105

20

1.6

4-19

121

124

340

1 1/2’’ ×3’’

G

156

114.5

73

20

6

4-22

80

190

152.5

127

22

1.6

4-19

124

130

340

2’’ ×2 1/2’’

H

165

127

92

22

6

8-19

65

178

139.5

105

20

1.6

4-19

124

130

360

2’’ ×3’’

J

165

127

92

22

6

8-19

80

190

152.5

127

22

1.6

4-19

124

130

360

2 1/2’’ ×4’’

J

190

149.5

105

24

7

8-22

100

229

190.5

157

24

1.6

8-19

143

137

360

3’’ ×4’’

L

210

168

127

28

10

8-22

100

229

190.5

157

24

1.6

8-19

162

156

450

4’’ ×6’’

N

254

200

157

32

12

8-22

150

279

241.5

216

26

1.6

8-22

229

181

510

6’’ ×8’’

P

318

270

216

38

10

12-22

200

343

298.5

270

29

1.6

8-22

241

240

740

8’’ ×10’’

R

381

330

270

42

10

12-25

250

406

362

324

31

1.6

12-25

279

276

810

Remark: 150Lb for outlet flange

A42C600,     A42C600P,   A42C600R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

3/4’’×1’’

D

117

82.5

43

16

10

4-19

25

108

79.5

51

15

1.6

4-15

96

92

290

1’’ ×2’’

D

124

90

51

19

6

4-19

50

152

120.5

92

18

1.6

4-19

115

105

290

1 1/2’ ×2’’

D

156

114.5

73

22

10

4-22

50

152

120.5

92

18

1.6

4-19

152

124

340

1 1/2’’ ×2 1/2’’

D

156

114.5

73

22

11

4-22

65

178

139.5

105

20

1.6

4-19

152

124

350

1 1/2’’ ×3’’

F

156

114.5

73

22

6

4-22

80

190

152.5

127

22

1.6

4-19

152

124

350

2’’ ×2 1/2’’

F

165

127

92

26

6

8-19

65

178

139.5

105

20

1.6

4-19

162

154

380

2’’ ×3’’

F

165

127

92

26

6

8-19

80

190

152.5

127

22

1.6

4-19

162

154

380

2 1/2’’ ×4’’

H

190

149.5

105

29

7

8-22

100

229

190.5

157

24

1.6

8-19

143

165

380

3’’ ×4’’

L

210

168

127

32

10

8-22

100

229

190.5

157

24

1.6

8-19

162

155

460

4’’ ×6’’

N

273

215.9

157

38

12

8-25

150

279

241.5

216

26

1.6

8-22

210

200

520

6’’ ×8’’

P

356

292

216

46

10

12-28

200

343

298.5

270

29

1.6

8-22

241

240

750

Remark: 150Lb for outlet flange

WA42C900,   A42C900P,     A42C900R

Normal

Demeter

DN (in)

Dimension     (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

1 1/2’’ ×2’’

F

178

124

73

32

10

4-28

50

152

120.5

92

18

1.6

4-19

115

124

360

2’’ ×3’’

H

216

165.1

92

38

10

8-25

80

190

152.5

127

22

1.6

4-19

162

154

390

3’’ ×4’’

J

241

190.5

127

38

10

8-25

100

229

190.5

157

24

1.6

8-19

181

184

480

4’’ ×6’’

K

292

235

150

44

12

8-32

150

279

241.5

216

26

1.6

8-22

222

197

540

 Remark: 150Lb for outlet flange

WA42C1500,   A42C1500P,   A42C1500R

Normal

Demeter

DN (in)

Dimension     (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

3/4’’ ×1’’

D

130

89

43

20

10

4-22

25

124

90

51

18

1.6

4-19

120

136

310

1 1/2’’ ×2’’

D

178

124

73

26

12

4-28

50

165

127

95

22

1.6

8-29

140

105

360

1 1/2’’ ×2 1/2’’

F

178

124

73

26

12

4-28

65

190

149.5

105

24

1.6

8-22

152

124

360

2’’ ×3’’

G

216

165

92

32

15

8-25

80

210

168

127

28

1.6

8-22

162

154

380

3’’ ×4’’

J

267

206.2

127

42

14

8-32

100

254

200

157

32

1.6

8-22

181

184

490

 Remark: 300Lb for outlet flange


WA42C Type Pound-grade balance bellows spring-loaded safety valve

42Main property and specification

Normal Pressure

PN

150

300

600

1500

Body strength

Ps (MPa)

3.0

7.5

15

37.5

Set pressure

Pk (MPa)

0.1~2

1.6~5

3.2~10

10~25

Seal pressure

Pm

90%Pk

Reseating pressure

Ph

90%Pk

Relieving pressure

Pp

1.1Pk

Lift

H (mm)

1/4 do

Appropriate temperature

C

300

PR

200

Appropriate medium

C

Gas, liquid

PR

Nitric Acid, Acetic Acid, Gas, Liquid

Code of throat diameter

Code

Diameter

Code

Diameter

D

10

L

50

E

13

M

55

F

16

N

60

G

2035

P

72

H

26

Q

96

J

33

R

115

K

40

T

148

Main Dimension

A42C150, A42C150P, A42C150R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

12/’’ ×3/4’’

D

89

60.5

35

12

6

4-15

20

98

70

43

14

1.6

4-15

90

90

320

3/4’’ ×1’’

D

98

70

43

14

8

4-15

25

108

79.5

51

15

1.6

4-15

96

92

330

1’’ ×1 1/2’’

D

108

79.5

51

15

7

4-15

40

127

98.5

73

18

1.6

4-15

115

105

340

1’’ ×2’’

D

108

79.5

51

15

7

4-15

50

152

120.5

92

18

1.6

4-19

115

105

340

1 1/2’’ ×2’’

G

127

98.5

73

18

6

4-15

50

152

120.5

92

18

1.6

4-19

121

124

360

1 1/2’’ ×2 1/2’’

G

127

98.5

73

18

6

4-15

65

178

139.5

105

20

1.6

4-19

121

124

380

1 1/2’’ ×3’’

G

127

98.5

73

18

6

4-15

80

190

152.5

127

22

1.6

4-19

124

130

380

2’’ ×2 1/2’’

H

152

120.5

92

18

6

4-19

65

178

139.5

105

20

1.6

4-19

124

130

390

2’’ ×3’’

J

152

120.5

92

18

6

4-19

80

190

152.5

127

22

1.6

4-19

124

130

390

2 1/2’’ ×4’’

J

178

139.5

105

20

7

4-19

100

229

190.5

157

24

1.6

8-19

143

137

390

3’’ ×4’’

L

190

152.5

127

22

10

4-19

100

229

190.5

157

24

1.6

8-19

162

156

460

4’’ ×6’’

N

229

190.5

157

24

12

8-19

150

279

241.5

216

26

1.6

8-22

229

181

540

6’’ ×8’’

P

279

241.5

216

26

10

8-22

200

343

298.5

270

29

1.6

8-22

241

240

780

8’’ ×10’’

R

343

298.5

270

29

10

8-22

250

406

362

324

31

1.6

12-25

279

276

820

12’’ ×14’’

T

483

432

381

32

12

12-25

350

533

476

416

35

1.6

12-28

370

360

890


WA42C Type Pound-grade balance bellows spring-loaded safety valve

A42C300,    A42C300P,  A42C300R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

12/’’ ×3/4’’

D

95

66.5

35

15

6

4-15

20

98

70

43

14

1.6

4-15

90

90

320

3/4’’ ×1’’

D

117

82.5

43

16

10

4-19

25

108

79.5

51

15

1.6

4-15

96

92

330

1’’ ×1 1/2’’

D

124

90

51

18

7

4-19

40

127

98.5

73

18

1.6

4-15

115

105

340

1’’ ×2’’

D

124

90

51

18

6

4-19

50

152

120.5

92

18

1.6

4-19

115

105

340

1 1/2’’ ×2’’

F

156

114.5

73

20

6

4-22

50

152

120.5

92

18

1.6

4-19

121

124

360

1 1/2’’ ×2 1/2’’

F

156

114.5

73

20

9

4-22

65

178

139.5

105

20

1.6

4-19

121

124

380

1 1/2’’ ×3’’

F

156

114.5

73

20

6

4-22

80

190

152.5

127

22

1.6

4-19

124

130

380

2’’ ×2 1/2’’

H

165

127

92

22

6

8-19

65

178

139.5

105

20

1.6

4-19

124

130

390

2’’ ×3’’

H

165

127

92

22

6

8-19

80

190

152.5

127

22

1.6

4-19

124

130

390

2 1/2’’ ×4’’

J

190

149.5

105

24

7

8-22

100

229

190.5

157

24

1.6

8-19

143

137

390

3’’ ×4’’

L

210

168

127

28

10

8-22

100

229

190.5

157

24

1.6

8-19

162

156

460

4’’ ×6’’

N

254

200

157

32

12

8-22

150

279

241.5

216

26

1.6

8-22

229

181

540

6’’ ×8’’

P

318

270

216

8

10

12-22

200

343

298.5

324

29

1.6

8-22

241

240

780

8’’ ×10’’

R

381

330

270

42

10

12-25

250

406

362

324

31

1.6

12-25

279

276

820

10’’ ×12’’

T

445

387.5

324

46

10

16-28

350

533

476

413

35

1.6

12-28

350

330

890

Remark: 150Lb for outlet flange

A42C600,     A42C600P,   A42C600R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

3/4’’ ×1’’

D

117

82.5

43

16

10

4-19

25

108

79.5

51

15

1.6

4-15

96

92

330

1’’ ×2’’

D

124

90

51

19

6

4-19

50

152

120.5

92

18

1.6

4-19

115

105

340

1 1/2’’ ×2’’

F

156

114.5

73

22

10

4-22

50

152

120.5

92

18

1.6

4-19

152

124

360

1 1/2’’ ×2 1/2’’

F

156

114.5

73

22

9

4-22

65

178

139.5

105

20

1.6

4-19

152

124

380

1 1/2’’ ×3’’

F

156

114.5

73

22

6

4-22

80

190

152.5

127

22

1.6

4-19

152

124

380

2’’ ×2 1/2’’

H

165

127

92

26

6

8-19

65

178

139.5

105

20

1.6

4-19

162

154

390

2’’ ×3’’

H

165

127

92

26

6

8-19

80

190

152.5

127

22

1.6

4-19

162

154

390

2 1/2’’ ×4’’

K

190

149.5

105

26

7

8-22

100

229

190.5

157

247

1.6

8-19

143

165

390

3’’ ×4’’

K

210

168

127

29

10

8-22

100

229

190.5

157

24

1.6

8-19

162

155

460

4’’ ×6’’

N

273

215.9

157

38

12

8-25

150

279

241.5

216

26

1.6

8-22

210

200

540

6’’ ×8’’

P

356

292

216

46

10

12-28

200

343

298.8

270

29

1.6

8-22

241

240

780

Remark: 150Lb for outlet flange


A44C Type Pound-grade full lift spring loaded safety valve

44Main property and specification

Normal Pressure

PN

150

300

600

Body strength

Ps (MPa)

3.0

7.5

15

Set pressure

Pk (MPa)

0.1~2

1.6~5

3.2~10

Seal pressure

Pm

90%Pk

Reseating pressure

Ph

90%Pk

Relieving pressure

Pp

1.1Pk

Lift

H (mm)

1/4 do

Appropriate temperature

C

300

PR

200

Appropriate medium

C

Gas, liquid

PR

Neodymium

Code of throat diameter

Code

Diameter

Code

Diameter

D

10

L

50

E

13

M

55

F

16

N

60

G

20.5

P

72

H

26

Q

96

J

33

R

115

K

40

T

148

Main Dimension

A44C150

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

12/’’ ×3/4’’

D

89

60.5

35

12

18

4-15

20

98

70

43

14

1.6

4-15

90

90

260

3/4’’ ×1’’

D

98

70

43

14

24

4-15

25

108

79.5

51

15

1.6

4-15

96

92

260

1’’ ×1 1/2’’

D

108

79.5

51

15

22

4-15

40

127

98.5

73

18

1.6

4-15

115

105

280

1’’ ×2’’

D

108

79.5

51

15

22

4-15

50

152

120.5

92

18

1.6

4-19

115

105

280

1 1/2’’ ×2’’

G

127

98.5

73

18

24

4-15

50

152

120.5

92

18

1.6

4-19

121

124

310

1 1/2’’ ×2 1/2’’

G

127

98.5

73

18

24

4-15

65

178

139.5

105

20

1.6

4-19

121

124

310

1 1/2’’ ×3’’

G

127

98.5

73

18

24

4-15

80

190

152.5

127

22

1.6

4-19

124

130

310

2’’ ×2 1/2’’

H

152

120.5

92

18

24

4-19

65

178

139.5

105

20

1.6

4-19

124

130

350

2’’ ×3’’

J

152

120.5

92

18

24

4-19

80

190

152.5

127

22

1.6

4-19

124

130

350

2 1/2’’ ×4’’

J

178

139.5

105

20

27

4-19

100

229

190.5

157

24

1.6

8-19

143

137

430

3’’ ×4’’

L

190

152.5

127

22

32

4-19

100

229

190.5

157

24

1.6

8-19

162

156

490

4’’ ×6’’

N

229

190.5

157

24

36

8-19

150

279

241.5

216

26

1.6

8-22

229

181

610

6’’ ×8’’

P

279

241.5

216

26

36

8-22

200

343

298.5

270

29

1.6

8-22

241

240

840

8’’ ×10’’

R

343

298.5

270

29

39

8-22

250

406

362

324

31

1.6

12-25

279

276

990

12’’ ×14’’

T

483

432

381

32

42

12-25

350

533

473

413

35

1.6

12-28

370

360

1040


A44C Type Pound-grade full lift spring loaded safety valve

A44C300,     A44C300R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

12/’’ ×3/4’’

D

95

66.5

35

15

6

4-15

20

98

70

43

14

1.6

4-15

90

90

260

3/4’’ ×1’’

D

117

82.5

43

16

10

4-19

25

108

79.5

51

15

1.6

4-15

96

92

260

1’’ ×1 1/2’’

D

124

90

51

18

7

4-19

40

127

98.5

73

18

1.6

4-15

115

105

280

1’’ ×2’’

D

124

90

51

18

6

4-19

50

152

120.5

92

18

1.6

4-19

115

105

280

1 1/2’’ ×2’’

F

156

114.5

73

20

6

4-22

50

152

120.5

92

18

1.6

4-19

121

124

310

1 1/2’’ ×2 1/2’’

F

156

114.5

73

20

9

4-22

65

178

139.5

105

20

1.6

4-19

121

124

310

1 1/2’’ ×3’’

F

156

114.5

73

20

6

4-22

80

190

152.5

127

22

1.6

4-19

124

130

310

2’’ ×2 1/2’’

H

165

127

92

22

6

8-19

65

178

139.5

105

20

1.6

4-19

124

130

350

2’’ ×3’’

H

165

127

92

22

6

8-19

80

190

152.5

127

22

1.6

4-19

124

130

350

2 1/2’’ ×4’’

J

190

149.5

105

24

7

8-22

100

229

190.5

157

24

1.6

8-19

143

137

430

3’’ ×4’’

L

210

168

127

28

10

8-22

100

229

190.5

157

24

1.6

8-19

162

156

490

4’’ ×6’’

N

254

200

157

32

12

8-22

150

279

241.5

216

26

1.6

8-22

229

181

610

6’’ ×8’’

P

318

270

216

38

10

12-22

200

343

298.5

270

29

1.6

8-22

241

240

840

8’’ ×10’’

R

381

330

270

42

10

12-25

250

406

362

324

31

1.6

12-25

279

276

990

10’’ ×12’’

T

445

387.5

324

46

10

16-28

350

533

476

413

35

1.6

12-28

350

330

1040

Remark: 150Lb for outlet flange

A44C600

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

3/4’’×1’’

D

117

82.5

43

16

10

4-19

25

108

79.5

51

15

1.6

4-15

96

92

280

1’’ ×2’’

D

124

90

51

19

6

4-19

50

152

120.5

92

18

1.6

4-19

115

105

300

1 1/2’’ ×2’’

F

156

114.5

73

22

10

4-22

50

152

120.5

92

18

1.6

4-19

152

124

300

1 1/2’’ ×2 1/2’’

F

156

114.5

73

22

9

4-22

65

178

139.5

105

20

1.6

4-19

152

214

330

1 1/2’’ ×3’’

F

156

114.5

73

22

6

4-22

80

190

152.5

127

22

1.6

4-19

152

124

330

2’’ ×2 1/2’’

H

165

127

92

26

6

8-19

65

178

139.5

105

20

1.6

4-19

162

154

330

2’’ ×3’’

H

165

127

92

26

6

8-19

80

190

152.5

127

22

1.6

4-19

162

154

360

2 1/2’’ ×4’’

K

190

149.5

105

29

7

8-22

100

229

190.5

157

24

1.6

8-19

143

165

360

3’’ ×4’’

K

210

168

127

32

10

8-22

100

229

190.5

157

24

1.6

8-19

162

155

440

4’’ ×6’’

N

273

215.9

157

38

12

8-25

150

279

241.5

216

26

1.6

8-22

210

200

610

6’’ ×8’’

P

356

292

216

46

10

12-28

200

343

298.5

270

29

1.6

8-22

241

240

625

Remark: 150Lb for outlet flange


WA44C Type Pound-grade balance bellows spring-loaded safety valve

46Main property and specification

Normal Pressure

PN

150

300

600

900

Body strength

Ps (MPa)

3.0

7.5

15

22.5

Set pressure

Pk (MPa)

0.1~2

1.6~5

3.2~10

8~15

Seal pressure

Pm

90%Pk

Reseating pressure

Ph

90%Pk

Relieving pressure

Pp

1.1Pk

Lift

H (mm)

1/4 do

Appropriate temperature

C

300

PR

200

Appropriate medium

C

Gas, liquid

PR

Nitric Acid, Acetic Acid, Gas Liquid

Code of throat diameter

Code

Diameter

Code

Diameter

D

10

L

50

E

13

M

55

F

16

N

60

G

20.5

P

72

H

26

Q

96

J

33

R

115

K

40

T

148

Main Dimension

WA44C150,   WA44C150P,   WA44C150R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

1/2’’×3/4’’

D

89

60.5

35

12

6

4-15

20

98

70

43

14

1.6

4-15

90

90

340

3/4’’ ×1’’

D

98

70

43

14

6

4-15

25

108

79.5

51

15

1.6

4-15

96

92

350

1’’ ×1 1/2’’

D

108

79.5

51

15

7

4-15

40

127

98.5

73

18

1.6

4-15

115

105

360

1’’ ×2’’

D

108

79.5

51

15

7

4-15

50

152

120.5

92

18

1.6

4-19

115

105

360

1 1/2’’ ×2’’

G

127

98.5

73

18

6

4-15

50

152

120.5

92

18

1.6

4-19

121

124

380

1 1/2’’ ×2 1/2’’

G

127

98.5

73

18

6

4-15

65

178

139.5

105

20

1.6

4-19

121

124

390

1 1/2’’ ×3’’

G

127

98.5

73

18

6

4-15

80

190

152.5

127

22

1.6

4-19

124

130

390

2’’ ×2 1/2’’

H

152

120.5

92

18

6

4-19

65

178

139.5

105

20

1.6

4-19

124

130

410

2’’ ×3’’

J

152

120.5

92

18

6

4-19

80

190

152.5

127

22

1.6

4-19

124

130

410

2 1/2’’ ×4’’

J

178

139.5

105

20

7

4-19

100

229

190.5

157

24

1.6

8-19

143

137

410

3’’ ×4’’

L

190

152.5

127

22

10

4-19

100

229

190.5

157

24

1.6

8-19

162

156

480

4’’ ×6’’

N

229

190.5

157

24

12

8-19

150

279

241.5

216

26

1.6

8-22

229

181

560

6’’ ×8’’

P

279

241.5

216

26

10

8-22

200

343

298.5

270

29

1.6

8-22

241

240

790

8’’ ×10’’

R

343

298.5

270

29

10

8-22

250

406

362

324

31

1.6

12-25

279

276

840

12’’ ×14’’

T

483

432

381

32

10

12-25

350

533

476

413

35

1.6

12-28

370

360

920


WA44C Type Pound-grade balance bellows spring-loaded safety valve

WA44C300,   WA44C300P,   WA44C300R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

12/’’ ×3/4’’

D

95

66.5

35

15

6

4-15

20

98

70

43

14

1.6

4-15

90

90

340

3/4’’ ×1’’

D

117

82.5

43

16

10

4-19

25

105

79.5

51

15

1.6

4-15

96

92

350

1’’ ×1 1/2’’

D

124

90

51

18

7

4-19

40

127

98.5

73

18

1.6

4-15

115

105

360

1’’ ×2’’

D

124

90

51

18

6

4-19

50

152

120.5

92

18

1.6

4-19

115

105

360

1 1/2’’ ×2’’

F

156

114.5

73

20

6

4-22

50

152

120.5

92

18

1.6

4-19

121

124

380

1 1/2’’ ×2 1/2’’

F

156

114.5

73

20

9

4-22

65

178

139.5

105

20

1.6

4-19

121

124

390

1 1/2’’ ×3’’

F

156

114.5

73

20

6

4-22

80

190

152.5

127

22

1.6

4-19

124

130

390

2’’ ×2 1/2’’

H

165

127

92

22

6

8-19

65

178

139.5

105

20

1.6

4-19

124

130

410

2’’ ×3’’

H

165

127

92

22

6

8-19

80

190

152.5

127

22

1.6

4-19

124

130

410

2 1/2’’ ×4’’

J

190

149.5

105

24

7

8-22

100

229

190.5

157

24

1.6

8-19

143

137

420

3’’ ×4’’

L

210

168

127

28

10

8-22

100

229

190.5

157

24

1.6

8-19

162

156

480

4’’ ×6’’

N

254

200

157

32

12

8-22

150

279

241.5

216

26

1.6

8-22

229

181

560

6’’ ×8’’

P

318

270

216

38

10

12-22

200

343

298.5

270

29

1.6

8-22

241

240

790

8’’ ×10’’

R

381

330

270

42

10

12-25

250

406

362

324

31

1.6

12-25

279

276

840

Remark: 150Lb for outlet flange

WA44C600,   WA44C600P,   WA44C600R

Normal

Diameter

DN (in)

Dimension         (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

3/4’’×1’’

D

117

82.5

43

16

10

4-19

25

108

79.5

51

15

1.6

4-15

96

92

360

1’’ ×2’’

D

124

90

51

19

6

4-19

50

152

120.5

92

18

1.6

4-19

115

105

370

1 1/2’’ ×2’’

F

156

114.5

73

22

10

4-22

50

152

120.5

92

18

1.6

4-19

152

124

370

1 1/2’’ ×2 1/2’’

F

156

114.5

73

22

9

4-22

65

178

139.5

105

20

1.6

4-19

152

214

390

1 1/2’’ ×3’’

F

156

114.5

73

22

6

4-22

80

190

152.5

127

22

1.6

4-19

152

124

400

2’’ ×2 1/2’’

H

165

127

92

26

6

8-19

65

178

139.5

105

20

1.6

4-19

162

154

400

2’’ ×3’’

H

165

127

92

26

6

8-19

80

190

152.5

127

22

1.6

4-19

162

154

420

2 1/2’’ ×4’’

K

190

149.5

105

29

7

8-22

100

229

190.5

157

24

1.6

8-19

143

165

420

3’’ ×4’’

K

210

168

127

32

10

8-22

100

229

190.5

157

24

1.6

8-19

162

155

480

4’’ ×6’’

N

273

215.9

157

38

12

8-25

150

279

241.5

216

26

1.6

8-22

210

200

560

6’’ ×8’’

P

356

292

216

46

10

12-28

200

343

298.5

270

29

1.6

8-22

241

240

790

Remark: 150Lb for outlet flange

WA44C900

Normal

Demeter

DN (in)

Dimension     (mm)

do

D

D1

D2

b

t

z-d

DN’

D’

D1’

D2’

b’

t’

z-d’

L

L1

H

1 1/2’’ ×2’’

F

178

124

73

32

10

4-28

50

152

120.5

92

18

1.6

4-19

115

124

380

2’’ ×3’’

H

216

165.1

92

38

10

8-25

80

190

152.5

127

22

1.6

4-19

162

154

420

3’’ ×4’’

J

241