Circulating Sub

model

specification

OD

mm(inch)

ID

mm(inch)

Connection thread

BJST86

2-3/8

85.7(3 3/8)

38.1(1 1/2)

2A10 x 2A11 x 2 1502

BJST121

3-1/2

121(4 3/4

57.2(2 1/4)

310 x 311x 2 ³1502

BJST168

5

168.3 6 5/8

71.4(2 13/16)

410 x 411 x 2 ³1502

BJST178

5-1/2

178  7

71.4(2 13/16)

520 x 521 x 2 ³1502

model

specification

OD

mm(inch)

ID

mm(inch)

Connection thread

XJZ86

2-3/8

85.7(3 3/8)

31.8

2A11 x 2 ³1502

XJZ105

2-7/8

104.8 ˆ4 1/8

38.1(1 1/2)

211 x 2 ³1502

XJZ121

3-1/2

121(4 3/4

44.5(1 3/4)

311 x 2 ³1502

XJZ168

5

168.3 6 5/8

44.5(1 3/4)

411 x 2 ³1502

XJZ178

5-1/2

177.8 ˆ7

44.5(1 3/4)

521 x 2 ³1502

XJZ178B

7

177.8 7

44.5(1 3/4)

7 BCSG P x 2 ³1502

XJZ245

9-5/8

244.5(9-5/8)

44.5(1 3/4)

9-5/8 BCSG P x 2 ³1502

XJZ340

13-3/8

340.1(13-3/8)

44.5(1 3/4)

13-3/8 BCSG P x 2 ³1502

XJZ473

18-5/8

473 18-5/8)

44.5(1 3/4)

18-5/8 BCSG P x 2 ³1502

XJZ508

20

508(20)

44.5(1 3/4)

20 BCSG P x 2 ³1502

model

specification

OD

mm(inch)

ID

mm(inch)

Connection thread

XJZ178B

7

178(7)

71.4(2 13/16)

NC50 B*7 BCSG P

XJZ244.9

9-5/8

244.5(9-5/8)

71.4(2 13/16)

NC50 B*9-5/8 BCSG P

XJZ340.1

13-3/8

340.1(13-3/8)

71.4(2 13/16)

NC50 B*13-3/8 BCSG P

XJZ473

18-5/8

473(18-5/8)

71.4(2 13/16)

NC50 B*18-5/8 BCSG P

XJZ508

20

508(20)

71.4(2 13/16)

NC50 B*20 BCSG P