Application and Specification
Design Rating: BS1873,ASME B16.34
Face to Face: ASME B16.10
Flanged Ends: ASME B16.5
Inspection & Testing: API 598
Main Parts and Materials
Part Name: Material
Body: WCB/CF8/CF8M
Disc: A105/F304/F316
Open Ring: 304/ 304/316
Disc cover: 1035/ 304/316
Stem: F6a/ 304/316
Bonnet: WCB/CF8/CF8M
Packing: Graphite
Gland: WCB/CF8
Stem nut: Qt400/Brass
Screw: B7/304
Handwheel: KTH330
Nut: 2H/304
Name Plate: Al
Nut: 2H/304
Screw: B7/304
Gasket: 304+Graphite/PTFE
Nut: 2H/304
Screw: B7/304
Main External and Connecting Dimensions
NPS D1 d K D f C N-∮Z L E H
1/2 15 35 60.5 89 2 11.2 4-16 108 100 241
3/4 20 43 69.9 98 2 12.7 4-16 117 100 241
1 25 51 79.2 108 2 14.2 4-16 127 125 242
11/4 32 63 89 117 2 16 4-16 140 160 280
11/2 40 73 98.6 127 2 17.5 4-16 165 160 286
2 50 92.1 120.7 150 2 16.3 4-19 203 200 312
21/2 65 104.8 139.7 180 2 17.9 4-19 216 220 331
3 80 127.0 152.4 190 2 19.5 4-19 241 260 389
4 100 157.2 190.5 230 2 24.3 8-19 292 300 418
5 125 185.7 215.9 255 2 24.3 8-22 356 350 475
6 150 215.9 241.3 280 2 25.9 8-22 406 400 517
8 200 269.9 298.5 345 2 29.0 8-22 495 500 632
10 250 323.8 362.0 405 2 30.6 12-25 622 550 955
12 300 381.0 431.8 485 2 32.2 12-25 698 600 1100
14 350 412.8 476.3 535 2 35.4 12-29 787 700 1100
16 400 469.9 539.8 595 2 37.0 16-29 914 800 1350
18 450 533.4 577.9 635 2 40.1 16-32 978 Turbine
20 500 584.2 635 700 2 43.3 20-32 978 Turbine