B750VN Single Seals

Item Description

1.1.1

1.1.2

1.1.3

1.1.4, 1.3, 6, 8

1.1.5

1.1.6

1.1.7

1.2

Seal face

Driver

Thrust ring

O-ring

Sleeve

Spring

Set screw

Seat

Item Description

2

4

5

7

9

10

11

12

13

Shaft sleeve

Housing

Insert

Throttle ring

Washer

Assembly fixture

Hexagon bolt

Set ring

Set screw

23

Product Description1. Single seal configuration2. Balanced design3. Independent of direction of rotation4. Cartridge construction5. Category 2 and 3, Type A, Arrangement 16. Design in accordance to API 682 / ISO

210497. Pumping device available for increased

efficiency in circulation (B750VP)8. Rotary unit with multiple springs

Technical Features1. D e s i g n e d f o r " L o w - E m i s s i o n "

conforming to the American STLE-limits

2. Can handle extensive applications in various temperatures and pressures

3. Versatile in design to fit various seal chambers

4. Material of construction available in special metallurgy

API 682 Seals For Pumps - Standard Cartridge Seals

F Q

11

10

1.1.2 1.1.7 1.1.4 1.1.1 1.2

1.1.6 1.1.5 1.1.3 2 5 1.3 4 9 13 12

2d

5d 1

d6 h

D

6

11

7

d3

d6

7

5

4

d 4 H7

8

6

Dimensional Data

Dimensions in millimeter

Note: Additional technical & dimensional information will be provided on request.

Dimensions in inch

Seal face: Carbon graphite antimonyimpregnated (A)Seat: Silicon carbide (Q1, Q2)Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)

®Springs: Hastelloy C-4 (M)Metal parts: CrNiMo steel (G), Duplex (G1),

®Hastelloy C-4 (M)

Design Variations

B750VPDimensions, items and descriptions as B750VN, but with pumping ring. Shorter installation length possible. B750NDimensions, items and description as B750VN.Seal face: Silicon carbide (Q1, Q2)Seat: Silicon carbide (Q1, Q2)

Materials

Sizes: d = Upto 110 mm (Upto 4.250’’)*

Pressure: p = 40 bar (580 PSI)1

Temperature: t = -40 °C...+220 °C (-40 °F...+428 °F)Speed = 23 m/s (75 ft /s)Permissible axial movement: ± 2.0 ... 4.0 mm depending on diameter and installation situation* Other sizes on request

Performance Capabilities

Light hydrocarbonsOil and gas industryPetrochemical industryRefining technologyAPI 610 / ISO 13709 pumpsProcess pumps

Standards

API 682 / ISO 21049

Typical Industrial Applications

24

API/d1 API/d2 API/d3 API/d4 d5 d6 l 4 l 5 l 6 l 7 l 11 Overall length

2.756

3.150

3.543

3.937

4.724

5.118

5.512

6.299

6.693

7.087

4.134

4.528

4.921

5.512

6.299

6.693

7.087

8.071

8.465

8.858

3.346

3.740

4.134

4.528

5.315

5.709

6.102

6.890

7.283

7.677

1.969

2.441

2.835

3.386

3.898

4.291

4.685

5.079

6.024

6.614

5.433

5.827

6.220

6.614

7.402

7.795

8.189

9.370

9.764

10.157

3.740

3.957

4.154

4.390

4.744

4.902

5.079

5.079

5.236

5.236

3.701

3.858

3.878

3.917

4.016

4.173

4.173

4.173

4.291

4.291

0.039

0.098

0.276

0.472

0.728

0.709

0.906

0.906

0.945

0.945

2.992

3.031

3.051

3.091

3.189

3.189

3.189

3.189

3.189

3.189

0.236

0.236

0.236

0.236

0.236

0.236

0.236

0.236

0.236

0.236

3.937

4.094

4.921

5.512

6.299

6.693

7.087

8.071

8.465

8.858

0.750

1.125

1.500

2.000

2.250

2.750

3.125

3.500

3.750

4.250

API/d1 API/d2 API/d3 API/d4 d5 d6 Overall length

20

30

40

50

60

70

80

90

100

110

70

80

90

100

120

130

140

160

170

180

105

115

125

140

160

170

180

205

215

225

85

95

105

115

135

145

155

175

185

195

50

62

72

86

99

109

119

129

153

168

138

148

158

168

188

198

208

238

248

258

95.0

100.5

105.5

111.5

120.5

124.5

129.0

129.0

133.0

133.0

94.0

98.0

98.5

99.5

102.0

106.0

106.0

106.0

109.0

109.0

1.0

2.5

7.0

12.0

18.5

18.0

23.0

23.0

24.0

24.0

76.0

77.0

77.5

78.5

81.0

81.0

81.0

81.0

81.0

81.0

6

6

6

6

6

6

6

6

6

6

100

104

125

140

160

170

180

205

215

225

l 4 l 5 l 6 l 7 l 11