Application:
Design & Produce: GB/T 12234
Construction Length: GB/T 12221
Flange Size: GB9113 JB79
Pressure-Temp.: GB/T 9131
Test-Inspection: JB/T 9092
Pressure Test: Mpa
Nominal Pressure 1.6 2.5 4 6.4
Strength Test 2.4 3.8 6 9.6
Water Seal Test 1.8 2.8 4.4 7.0
Air Seal Test 0.6 0.6 0.6 0.6
Main Parts and Materials
Body/Disc/Bonnet: WCB WC1 WC6 WC9 ZGCr5Mo ZG1Cr18Ni9Ti ZGCr18Ni12Mo2Ti
Stem: 2Cr13 38CrMoAI 25Cr2MoV 1Cr18Ni9Ti 1C18Ni12Mo2Ti
Seat: 13Cr+STL
Gasket: Graphite 1Crl3/graphite 0Cr18Ni9Ti OCr18Ni12Mo2Ti
Packing: Graphite
Temp ℃: ≤425 ≤450 ≤540 ≤570 ≤540 ≤200 ≤200
Medium Water, oil, gas Water, oil, gas Acid Acid
Main External and Connecting Dimensions
1.6Mpa Dimension:RF J41H J41Y J41W J41F J41N 16C 16P 16R 16
DN L D D1 D2 b n-Φd H D0
10 130 90 60 40 14 4-Φ14 198 120
15 130 95 65 45 14 4-Φ14 218 120
20 150 105 75 55 14 4-Φ14 258 140
25 160 115 85 65 14 4-Φ14 275 140
32 180 135 100 78 16 4-Φ18 280 160
40 200 145 110 85 16 4-Φ18 330 180
50 230 160 125 100 16 4-Φ18 350 200
65 290 180 145 120 18 4-Φ18 370 280
80 310 195 160 135 20 8-Φ18 400 280
100 350 215 180 155 20 8-Φ18 415 320
125 400 245 210 185 22 8-Φ18 460 360
150 480 280 240 210 24 8-Φ23 510 450
200 600 335 295 265 26 12-Φ23 710 500
2.5Mpa Dimension:RF J41H J41Y J41W J41F J41N 25C 25P 25R 25
DN L D D1 D2 b n-Φd H D0
10 130 90 60 40 16 4-Φ14 198 120
15 130 95 65 45 16 4-Φ14 218 120
20 150 105 75 55 16 4-Φ14 258 140
25 160 115 85 65 16 4-Φ14 275 140
32 180 135 100 78 18 4-Φ18 280 160
40 200 145 110 85 18 4-Φ18 330 180
50 230 160 125 100 20 4-Φ18 350 200
65 290 180 145 125 22 8-Φ18 400 280
80 310 195 160 135 22 8-Φ18 355 280
100 350 230 190 160 24 8-Φ23 415 320
125 400 270 220 188 28 8-Φ25 460 360
150 480 300 250 218 30 8-Φ25 510 450
200 600 360 310 278 34 12-Φ25 710 500
250 622 425 370 332 36 12-Φ30 786 550
300 698 485 430 390 40 16-Φ30 925 600