Characteristics of insulation Y-type stop valve
1. It is simple in structure and convenient in manufacture and maintenance;
2. The working stroke is small and the opening and closing time is short;
3. Good sealing performance, small friction between sealing surfaces and long service life.
Executive standard of insulation Y-type stop valve
Product specification | design code | Structural length | Connecting flange | Test and inspection |
GB/T 12235 | GB/T 12221 | JB/T 79、GB/T9113、HG/T20592、EN1092-1/2、ASME B16.5/B16.47 | JB/T 9092GB/T13927、API598 |
Main performance specifications
Nominal pressure PN(MPa) | Test pressure(MPa) | Applicable temperature ℃ | Applicable medium | Jacket pressure(MPa) | |
housing | seal up | ||||
1.6 | 2.4 | 1.8 | ≤350 | Acids | ≤1.0 |
2.5 | 3.8 | 2.8 | ≤350 | Acids | ≤1.0 |
Material of main parts
Part name | ZG1Cr18Ni9Ti | ZG00Cr18Ni10 | ZG1Cr18Ni12Mo2Ti | ZG00Cr17Ni14Mo2 | WCB |
Body / bonnet | ZG1Cr18Ni9Ti | ZG00Cr18Ni10 | ZG1Cr18Ni12Mo2Ti | ZG00Cr17Ni14Mo2 | WCB |
Ram | ZG1Cr18Ni9Ti | ZG00Cr18Ni10 | ZG1Cr18Ni12Mo2Ti | ZG00Cr17Ni14Mo2 | 1Cr13 |
Stem | 1Cr18Ni9Ti | 00Cr18Ni10 | 1Cr18Ni12MoTi | 00Cr17Ni14Mo | 1Cr13 |
filler | PTFE spin | PTFE spin | PTFE spin | PTFE spin | graphite |
shim | 304L+PTFE | 304L+PTFE | 316L+PTFE | 316L+PTFE | graphite+304 |
Gland | ZG1Cr18Ni9Ti | ZG00Cr18Ni10 | ZG1Cr18Ni12Mo2Ti | ZG00Cr17Ni14Mo2 | WCB |
Packing pressure ring | 1Cr18Ni9Ti | 00Cr18Ni10 | 1Cr18Ni12MoTi | 00Cr17Ni14Mo | 1Cr13 |
Bolt | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr17Ni2 | 35CrMoA |
Nut | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 45 |
Insulation Y-type stop valve drawing
Nominal pressure(PN) | DN(mm) | L | L1 | L2 | H | D | D1 | D2 | b | f | zxΦd | D0 | WT(Kg) |
BJ41W-16/25/40 | |||||||||||||
PN16PN25 | 25 | 210 | 50 | 65 | 250 | 135 | 100 | 78 | 18 | 2 | 4 18 | 160 | 25 |
32 | 230 | 55 | 70 | 270 | 145 | 110 | 85 | 18 | 3 | 4.18 | 160 | 30 | |
40 | 260 | 60 | 78 | 310 | 160 | 125 | 100 | 20 | 3 | 4.18 | 160 | 36 | |
50 | 300 | 60 | 88 | 330 | 180 | 145 | 120 | 22 | 3 | 8.18 | 240 | 40 | |
65 | 340 | 65 | 95 | 360 | 195 | 160 | 135 | 22 | 3 | 8-18 | 240 | 54 | |
80 | 380 | 70 | 112 | 400 | 230 | 190 | 160 | 24 | 3 | 8-23 | 280 | 70 | |
100 | 430 | 75 | 132 | 480 | 270 | 220 | 188 | 28 | 3 | 8-23 | 320 | 100 | |
125 | 490 | 80 | 146 | 550 | 300 | 250 | 218 | 30 | 3 | 8-25 | 360 | 130 | |
150 | 550 | 90 | 172 | 620 | 330 | 280 | 248 | 32 | 3 | 12-25 | 360 | 170 | |
200 | 690 | 95 | 205 | 750 | 395 | 340 | 302 | 36 | 3 | 12-25 | 400 | 250 | |
PN40 | 25 | 210 | 50 | 65 | 250 | 135 | 100 | 78 | 18 | 2 | 4-18 | 160 | 25 |
32 | 230 | 55 | 70 | 270 | 145 | 110 | 85 | 18 | 3 | 4-18 | 160 | 33 | |
40 | 260 | 60 | 78 | 310 | 160 | 125 | 100 | 20 | 3 | 4-18 | 160 | 41 | |
50 | 300 | 60 | 88 | 330 | 180 | 145 | 120 | 22 | 3 | 8-18 | 240 | 45 | |
65 | 340 | 65 | 95 | 360 | 195 | 160 | 135 | 22 | 3 | 8-18 | 240 | 62 | |
80 | 380 | 70 | 112 | 400 | 230 | 190 | 160 | 24 | 3 | 8-23 | 280 | 80 | |
100 | 430 | 75 | 132 | 480 | 270 | 220 | 188 | 28 | 3 | 8-25 | 320 | 100 | |
125 | 490 | 80 | 146 | 550 | 300 | 250 | 218 | 30 | 3 | 8-25 | 360 | 130 | |
150 | 550 | 90 | 172 | 620 | 350 | 295 | 258 | 34 | 3 | 12-30 | 360 | 185 | |
200 | 690 | 95 | 205 | 750 | 415 | 355 | 315 | 40 | 3 | 12-34 | 400 | 268 |
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