GB T1852-93 Cast Steel Pressure Reducing Valve - Cast Steel GB Marine Valve - Hi-sea

GB T1852-93 Cast Steel Pressure Reducing Valve

GB T1852-93 Cast Steel Pressure Reducing Valve

1. Application

GB T1852-93 Cast Steel Pressure Reducing Valve applies to steam with a temperature of less than 250 degrees.

2. Material

(1) body: cast steel

(2) diaphragm: cast tin bronze

(3) spring: spring steel

the material of goods can be chosen according to your needs.

3. Technical Data

(1) nominal pressure(MPa): p1:0.4~2.5; p2: 0.2/0.6~0.6/1.2

(2) nominal diameter(mm): inlet: 20~150; outlet:25~200

4. Features

(1) Excellent quality and beautiful shape.

(2) We can provide samples if necessary.

5. Dimensions(mm)

Flange connection size according to GB T569

DN

Structure dimension

Flange connection size

PN 2.5 Inlet

PN 1.6 Outlet

D1

D2

D3

d1

bolt

b1

D4

D5

D6

d2

bolt

b2

DN1

DN2

L

H

h

n1

Th1.

n2

Th

20

25

170

250

75

95

68

48

13

4

M12

11

105

73

56

13

4

M12

12

25

32

105

73

56

12

115

83

64

15

6

M14

13

32

40

200

260

80

115

83

64

15

6

M14

13

125

93

74

40

50

210

270

85

125

93

74

135

103

84

50

65

240

290

115

135

103

84

170

132

110

17

8

M16

15

65

80

300

170

132

110

17

8

M16

15

185

147

126

16

80

100

280

320

120

185

147

126

16

205

167

146

10

100

125

330

350

150

205

167

146

10

225

187

168

125

150

380

360

190

240

196

172

21

M20

19

255

217

196

12

20

150

200

470

425

225

270

226

200

12

20

325

281

254

21

M20

Flange connection size according to GB T2501’s type S

DN

Structure dimension

Flange connection size

PN 2.5 Inlet

PN 1.6 Outlet

D1

D2

D3

d1

bolt

b1

D4

D5

D6

d2

bolt

b2

DN1

DN2

L

H

h

n1

Th1.

n2

Th

20

25

170

250

75

105

75

58

14

4

M12

16

115

85

68

14

4

M12

16

25

32

115

85

68

140

100

78

18

M16

18

32

40

200

260

80

140

100

78

18

M16

18

150

110

88

40

50

210

270

85

150

110

88

165

125

102

50

65

240

290

115

165

125

102

20

185

145

122

20

65

80

300

185

145

122

8

22

200

160

133

8

80

100

280

320

120

200

160

133

24

220

180

158

22

100

125

330

350

150

235

190

158

22

M20

250

210

184

125

150

380

360

190

270

220

184

26

M24

26

285

240

212

22

M20

24

150

200

470

425

225

300

250

212

340

295

268

12


6. IACS Certificate: BAS, BV, CCS, DNV, RINA, KR, LR, NK.


Contact with us now

Our mail: hs@cqhisea.com

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