Design and manufacture: JB/T8691-1998
Structural length: GB/T15188.2-94
Flange connection: GB/T9113.1-2000 JB/T79-94
Testing and inspection: GB/T13927-92
Main parts materials
Body/Bonnet | Carbon steel, stainless steel |
Disc | Stainless steel |
Stem | Stainless steel |
Seal Ring | Rubber, PTFE, stainless steel,hard alloy |
Performance specification
Nominal pressure | PN |
Shell test | 1.5 X PN |
Leak test | 1.1 X PN |
Operating temperature | Rubber less than 80oC, PTFE less than 180oC, hard sealing less than 425oC |
Working medium | paper pulp, sewage, coal slurry |
Connection dimension Unit:mm
Nominal pressure(MPa) | Nominal diameter(mm) | L | D | D1 | D2 | H | N-M | D0 |
1.0 | 150 | 70 | 280 | 240 | 210 | 475 | 8-M20 | 280 |
200 | 80 | 335 | 295 | 265 | 540 | 8-M20 | 360 |
250 | 85 | 390 | 350 | 320 | 630 | 12-M20 | 360 |
300 | 100 | 440 | 400 | 368 | 480 | 12-M20 | 400 |
350 | 100 | 500 | 460 | 428 | 885 | 16-M20 | 400 |
400 | 110 | 565 | 515 | 782 | 990 | 16-M22 | 400 |
450 | 120 | 615 | 565 | 532 | 1100 | 20-M22 | 530 |
500 | 130 | 670 | 620 | 585 | 1200 | 20-M22 | 530 |
600 | 140 | 780 | 725 | 685 | 1450 | 20-M27 | 600 |
700 | 165 | 895 | 840 | 800 | 1700 | 24-M27 | 600 |
800 | 190 | 1010 | 950 | 905 | 2000 | 24-M30 | 680 |
900 | 200 | 1110 | 1050 | 1005 | 2300 | 28-M30 | 680 |
1000 | | 1220 | 1160 | 1150 | 2780 | 28-M33 | Electric operated optional |
1200 | | 1450 | 1380 | 1325 | 3360 | 32-M36 |
1400 | | 1675 | 1590 | 1525 | 3920 | 36-M39 |
1600 | | 1915 | 1820 | 1750 | 4480 | 40-M45 |