CB 1153  Metal Wave Expansion Throttle

CB 1153 Metal Wave Expansion Throttle


Materials of main parts

Bellows Material: Stainless steel

Steel Ring Material: Stainless steel

Flange Material: Carbon Steel

Overview

Application: This CB 1153  Metal Wave Expansion Throttle is designed for marine applications involving fresh water, sea water, lubricating oil, fuel oil.

Material Specification: 

Parts Name 

Material Name 

Marks

Bellows, Steel Ring 

Stainless Steel Stainless Steel 

00Cr17Ni14Mo2 (Type A, AS)00Cr18Ni11Ti (Type A, AS)

Flange

Carbon Steel

Q235-A

Technical Specifications:

Model: CB 1153  Metal Wave Expansion Throttle

Type

Nominal Pressure (MPa)

Nominal Diameter (mm)

Suitable Medium

A, AS

0.4

300 ~ 500

Fresh water, Sea water, Oil, Steam at t≤250°C

A, AS

0.6, 1.0, 1.6

50 ~ 500

Fresh water, Sea water, Oil, Steam at t≤250°C

B, BS

0.6, 1.0, 1.6

50 ~ 500

Fresh water, Sea water, Oil, Steam at t≤250°C


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Dimensions(mm)

Table 1: Basic Dimensions for PN0.6 (6 kgf/cm²) Bellows Expansion Joint

Nominal Diameter DN

Outside Diameter D (mm)

Installation Length L (mm)

Number of Convolutions n

Axial Stiffness (N/mm)

Effective Area (cm²)

32

38

68

2

108

11

40

45

68

2

98

15

50

57

72

2

88

24

65

73

76

2

78

37

80

89

80

2

69

54

100

108

84

2

59

79

125

133

88

2

49

113

150

159

92

2

44

162

200

219

96

2

39

280

250

273

100

2

34

430

300

325

104

2

29

620

Table 2: Basic Dimensions for PN1.0 (10 kgf/cm²) Bellows Expansion Joint

Nominal Diameter DN

Outside Diameter D (mm)

Installation Length L (mm)

Number of Convolutions n

Axial Stiffness (N/mm)

Effective Area (cm²)

32

38

72

2

196

11

40

45

72

2

177

15

50

57

76

2

157

24

65

73

80

2

137

37

80

89

84

2

118

54

100

108

88

2

98

79

125

133

92

2

88

113

150

159

96

2

78

162

200

219

100

2

69

280

250

273

104

2

59

430

300

325

108

2

49

620


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