No.642-946F Series Forged Steel & S.S316. IB Steam Trap

ASTM A-105

ASTM A182, F-11

Mechanism

Stainless Steel

Bucket

Stainless W/Cast Iron WT.

Seat & Valve

Hardened S.S 400C

Inlet Tube

Steel Pipe

Gasket

640 & 940 Series SS304 W/Graphite

Bolts

ASTM A-193. GR.B7

Nuts

ASTM A-194. GR.2H

Conn. SE.

A

B

C

D

E

MOP

WT.SE.SW

WT.FLG

642.642F

15.20

171

259

313

121

32

41

14

15

643.643F

20.25

203

292

352

130

37

45

22

23

644.644F

25.32

219

348

408

146

38

45

34

36

645.645F

25.32.40

248

381

446

169

45

45

42

44

646.646F

40.50

302

435

500

218

54

45

73

75

943.943F

15.20.25

219

305

378

135

37

69

30

33

945.945F

25.32.40

273

379

459

175

45

69

56

62

946.946F

40.50

318

448

546

216

54

69

89

91

MAX. OPER. PRESSURE SAT. STEAM KG/CM2

MAX. ALLOWABLE PRESSURE. KG/CM2

340°C

400°C

450°C

480°C

500°C

580°C

642

41

41

38

35

643

45

70

60

45

644

45

70

60

45

645

45

70

60

45

646

45

70

60

45

941

69

69

65

50

951

69

69

65

50

943

69

80

80

70

50

945

69

76

75

74

65

946

69

115

110

90

65

1543

102

145

145

130

110

90

60

1545

124

172

172

160

140

110

75

1546

183

240

240

240

210

160

110