No.PartMaterial
1Body

C.IIS 210 Gr.20-25 (Cast Iron)

ASTM A 216 Gr.WCB (Cast Steel

2

Bonnet

- C.IIS 210 Gr.20-25 (Cast Iron)

ASTM A 216 Gr.WCB (Cast Steel)

3Piston

AISI 410 / 304 / 316

4

Lantern Bush

AISI 410 / 304 / 316

5

Spindle

AISI 410 / 304 / 316

6

Sealing Rings

To Suit Service

7

Yoke Bush

Gun Metal (G.M.)

8

Indicator

Mild Steel (M.S)

9

Hand Wheel

Cast Iron (C.I )

10

Belleville Washers

Cr.V.Spring Steel

11

Studs Nuts

ASTM A –193 / 194

12

Wheel Nut

Mild Steel (M.S)

13

Set Screw

Mild Steel (M.S)

14

Spindle-Lock Nut

AISI 410 /304 / 316



Weight of Piston valves in Kg. (approx)

SIZE

15

20

25

32

40

50

65

80

100

150

Flange type

3.7

4.7

6.8

11.5

12.0

18.0

27.0

35.5

54.5

145.0

Screwed type

2.0

2.5

3.8

8.5

10.5

13.0

0

0

0

0



Flanges as per ANSI B 16.5 Class 150 (RF)

SIZE

PORT

L

H

H1

OD

B

O9

f

KPCD

N

OJ

OWh

Ods

Lift

15

15

130

130

160

89

11.1

35

1.58

60.3

4

15.9

80

14

22

20

20

150

140

172

98.4

12.7

43

1.58

69.9

4

15.9

120

14

32

25

25

160

167

207

108

14.3

51

1.58

79.4

4

15.9

140

16

38

32

32

180

205

250

117

15.9

63.5

1.58

88.9

4

15.9

160

18

45

40

40

200

225

275

127

17.5

73

1.58

98.4

4

15.9

180

20

50

50

50

230

250

311

152.4

19

92

1.58

120.6

4

19

200

22

55

65

65

290

178

139.7

4

19

80

80

310

190

152.4

4

19

100

100

350

229

190.5

8

19

150

150

480

279

241.3

8

22.2



Flanges as per ND-10 DIN to 2632 - 33 (RF)

SIZE

PORT

L

H

H1

OD

B

O9

f

KPCD

N

OJ

OWh

Ods

Lift

15

15

130

130

160

95

14

45

2

65

4

14

80

14

22

20

20

150

140

172

105

16

58

2

75

4

14

120

14

32

25

25

160

167

207

115

16

68

2

58

4

14

140

16

38

32

32

180

205

250

140

16

78

2

100

4

18

160

18

45

40

40

200

225

275

150

16

88

3

110

4

18

180

20

50

50

50

230

250

311

165

18

102

3

125

4

18

200

22

55

65

65

290

80

80

310

100

100

350

150

150

480



Flanges as per ND - 40 DIN to 2634 - 35 (RF)

SIZE

PORT

L

H

H1

OD

B

O9

f

KPCD

N

OJ

OWh

Ods

Lift

15

15

130

130

160

95

16

45

2

65

4

14

80

14

22

20

20

150

140

172

105

18

58

2

75

4

14

120

14

32

25

25

160

167

207

115

18

68

2

58

4

14

140

16

38

32

32

180

205

250

140

18

78

2

100

4

18

160

18

45

40

40

200

225

275

150

18

88

3

110

4

18

180

20

50

50

50

230

250

311

165

20

102

3

125

4

18

200

22

55

65

65

290

80

80

310

100

100

350

150

150

480



Butt / socket weld

Screwed Ends

SIZE

PORT

L

H1

L1

D

D1

SIZE

PORT

L

H1

L1

D

D1

15

15

100

159

10

29

21.7

15

15

100

159

10

29

21.7

20

20

120

171

13

35

27.1

20

20

120

171

13

35

27.1

25

25

135

207

13

43

33.8

25

25

135

207

13

43

33.8

32

32

160

245

13

50

41

32

32

160

245

13

50

41

40

40

185

274

13

58

48.6

40

40

185

274

13

58

48.6

50

50

220

311

16

71

61.1

50

50

220

311

16

71

61.1



TESTING PRESSUREHYDROSTATIC

ND-10
Kg /Cm2

ND-25
Kg /Cm2

ND-40
Kg /Cm2

PNEUMATIC
Kg /Cm2

SEAT

10

25

40

5

BODY

16

40

64

5