Page Views: 200 Date Added: 05/17/2011 Last Updated: 05/17/2011 Expiry Date: 05/14/2021 Product/Service Details Testing Pressure Suitable Scope Nominal pressure （ MPa） Testing Pressure （ MPa） Casing seal（Liquid ） seal（air） up seal 1.0 1.5 1.1 0.6 1.1 1.6 2.4 1.8 0.6 1.8 2.5 3.8 2.8 0.6 2.8 Casing material Suitable medium Suitable temperature ℃ carbon steel （ C type） water、steam、oil ≤ 425 gray cast iron （ T type） Chlorine、sulfate ≤ 200 Ductile Cast Iron （ Q type） liquefied natural gas 、gas ≤ 300 stainless steel （ H type） water、steam、oil ≤ 316 Picks the sign table of contents item name Using standard May electstandard item name Using standard May electstandard Design manufacture approval DIN 3352 —— Design manufacture approval GB/T 13927-1992 JB/T 9092-1999 Valve structural length GB/T 12221-1989 ISO5752：88 Valve goods supply request GB/T 12252 —— Valve flange connection GB/T 17241.6-1998 —— valve Symbol GB/T 12220-1989 IS0 5209：87 main parts material Serial number parts name material 1 body spheroidal graphite cast iron /gray cast iron 2 seat albronze alloy steel /stainless steel /hard metal 3 Wedge disc Built-up welding bronze metal /stainless steel /hard metal 4 stem stainless steel 5 In hexagon bolt carbon steel 6 0 type seal EPDM/NBR 7 disc cast iron /Ductile Cast Iron 8 packing PTFE/graphite 9 gland nut stainless steel /carbon steel 10 gland cast iron /spheroidal graphite cast iron /carbon steel/stainless steel 11 Yoke cast iron /spheroidal graphite cast iron /carbon steel/stainless steel 12 Bearing alloy steel 13 stem nut albronze alloy steel 14 key carbon steel 15 nut stainless steel /carbon steel 16 hand wheel carbon steel / spheroidal graphite cast iron Main external dimensions and connection sizeGB/T 12221-1989（3）（ISO 3 series）；GB/T17241.6-1998　　　Unit： mm MPa DN L D 1 D 2 D 3 B Z-ø d H H1 D O 1.0 1.6 1.0 1.6 1.0 1.6 1.0/1.6 15 108 46 65 95 14 4-14 220 240 120 20 117 56 75 105 16 4-14 255 284 140 25 127 65 85 115 16 4-14 275 303 160 32 140 76 100 140 18 4-18 280 321 180 40 165 84 110 150 18 4-18 300 352 200 50 178 99 125 165 20 4-18 358 438 240 65 190 118 145 185 20 4-18 375 450 240 80 203 132 160 200 20 8-18 433 528 280 100 229 156 180 220 22 8-18 502 620 300 125 254 184 210 250 22 8-18 612 753 320 150 267 211 240 285 24 8-23 676 847 360 200 292 266 295 340 24 8-22 12-22 820 1039 400 250 330 320 350 355 395 405 26 12-22 12-26 969 1245 450 300 356 370 400 410 445 460 28 12-23 12-26 1142 1472 560 2.5 15 108 45 65 95 14 4-14 220 240 120 20 117 55 75 105 16 4-14 255 284 140 25 127 65 85 115 16 4-14 275 303 160 32 140 78 100 135 18 4-18 280 321 180 40 165 85 110 145 18 4-18 300 352 200 50 178 100 125 160 20 4-18 358 438 240 65 190 120 145 180 22 8-18 375 450 240 80 203 135 160 195 24 8-18 433 528 280 100 229 160 190 230 24 8-23 502 620 300 125 254 188 220 270 26 8-25 612 753 320 150 267 218 250 300 28 8-25 676 847 360 200 292 278 310 360 30 12-25 820 1039 400 250 330 332 370 425 32 12-30 969 1245 450 300 356 390 430 485 34 16-30 1142 1472 560

Company Information (WEI RUN DE TRADE(BEIJING)CO.,LTD)

Company Profile: WRD trade Co,.LTD was established April 1998, initially specialising in the supply of anti-pollution valves known as Reduced Pressure Zone (RPZ) valves. These non-return valves protect the drinking water network. Today, WRD Valves still supply valves but in response to market demands now manufacture and distribute a range of innovative associated products.We can also manufacture bespoke assemblies to suit a particular application – please contact us. WRD Valves is committed to providing friendly and efficient service. Our staff are qualified in the VALVES, enabling us to provide accurate advice on your specific application.. >> More Website URL: http://www.bridgat.com/u37086