Verified Company
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Resilient Seated Manual Knife Gate valve
Design and manufacture: JB/T8691-1998
structural length: GB/T15188.2-94
Flange connection: GB/T9113.1-2000 JB/T79-94
testing and acceptance:GB/T13927-92
Key parts material
Valve body, upper cap | Carbon steel, stainless steel |
Valve plate | stainless steel |
Stem | stainless steel |
Seal ring | Rubber, PTFE, stainless steel,hard alloy |
Key performanceindicators
Nominal pressure | PN |
Casing test | 1.5XPN |
Leak test | 1.1XPN |
Operating temperature | Rubber ≤80°C, PTFE≤180°C, hard sealing ≤425°C |
Working medium | Syrup, paper pulp, sewage, coal slurry, dust, slag-water mix |
Profile and connection dimension Unit:mm
Nominal pressure(MPa) | Nominal through diameter(mm) | L | D | D1 | D2 | H | N-M | D0 |
1.0 | 50 | 48 | 160 | 125 | 100 | 285 | 4-M16 | 180 |
65 | 48 | 180 | 145 | 120 | 298 | 4-M16 | 180 | |
80 | 50 | 195 | 160 | 135 | 315 | 4-M16 | 220 | |
100 | 50 | 215 | 180 | 155 | 365 | 8-M16 | 220 | |
125 | 57 | 245 | 210 | 185 | 400 | 8-M16 | 230 | |
150 | 57 | 280 | 240 | 210 | 475 | 8-M20 | 280 | |
200 | 70 | 335 | 295 | 265 | 540 | 8-M20 | 360 | |
250 | 70 | 390 | 350 | 320 | 630 | 12-M20 | 360 | |
300 | 76 | 440 | 400 | 368 | 780 | 12-M20 | 400 | |
350 | 76 | 500 | 460 | 429 | 885 | 16-M20 | 400 | |
400 | 89 | 565 | 515 | 482 | 990 | 16-M22 | 400 | |
450 | 89 | 615 | 565 | 532 | 1100 | 20-M22 | 530 | |
500 | 114 | 670 | 620 | 585 | 1200 | 20-M22 | 530 | |
600 | 114 | 780 | 725 | 685 | 1450 | 20-M27 | 600 | |
700 | 130 | 895 | 940 | 800 | 1700 | 24-M27 | 600 | |
800 | 130 | 1010 | 950 | 905 | 2000 | 24-M30 | 680 | |
900 | 140 | 1110 | 1050 | 1005 | 2300 | 28-M30 | 680 |
Our company specialize in manufacturing butterfly valve,a variety of valves, flanges, threaded pipe fitting, punched elbows, groove fittings and pipe fittings for more than sixteen years. Being highly appreciated by users.
Our products have many series, we can do any kinds according to customer’s requirement, can do different standards, such as ISO,GB,DIN,API,BS,JIS. Customers can buy or wholesale different items at one time by combine goods together.We can design the products accprding to your special request.OEM is welcome too.