Detailed Product Description
Gear resilient seated gate valves (DN400~1200)
Measurement
size a c d T f L x-n D ≈h1 Non-rising stem ≈h1Rising stem
40 40 110 150 19 3 165 4 -Φ19 180 275 320
50 50 125 165 19 3 178 4 -Φ19 180 280 330
65 65 145 185 19 3 190 4 -Φ19 180 300 350
80 80 160 200 19 3 203 8 -Φ19 204 335 440
100 100 180 220 19 3 229 8 -Φ19 240 341 480
125 125 210 250 19 3 254 8 -Φ19 240 430 560
150 150 240 285 19 3 267 8 -Φ23 280 485 640
200 200 295 340 20 3 292 12-Φ23 520 580 810
250 250 355 405 22 3 330 12-Φ28 560 680 950
300 300 410 460 24.5 4 356 12-Φ28 450 785 1080
350 350 470 520 26.5 4 381 16-Φ28 500 880
400 400 525 580 28 4 406 16-Φ31 560 990
Test
Executed according to BS5165:1986
Sealing test pressure is 1.76MPa
Strength test pressure is 2.4NPa
Working pressure is 1.6MPa
Material
No Spare part name Material
1 Body Ductile iron
2 Wedge Ductile iron + EPDM OR NBR
3 Bonnet Ductile iron
4 Stem Stainless steel 2Cr13 , 1Cr13
5 Stem nut Brass
6 Bonnet, gland Ductile iron
7 Handwheel Ductile iron