Our pursuit and company purpose is always to âAlways satisfy our consumer requirementsâ. We keep on to acquire and style and design remarkable high-quality products for each our outdated and new customers and reach a win-win prospect for our consumers as well as us for 100% Original China Carbon Steel Dual Plate Type Check Valve Double Disc, High quality, timely service and Aggressive rate, all earn us a excellent fame in xxx field despite the international intense competition.
Our pursuit and company purpose is always to âAlways satisfy our consumer requirementsâ. We keep on to acquire and style and design remarkable high-quality products for each our outdated and new customers and reach a win-win prospect for our consumers as well as us for China Valve Parts, Valve Body£¬disc type check valve£¬wafer lug check valve, There are advanced producing & processing equipment and skilled workers to ensure the merchandise with high quality. Weâve got found an excellent before-sale, sale, after-sale service to ensure the customers that could rest assured to make orders. Until now our goods are now moving on fast and very popular in South America, East Asia, the Middle east, Africa, etc.
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Main materials: carbon steel, stainless steel, Inconel, Incoloy, etc.
Pressure and temperature
DN£¨mm£© Nominal diameter  |
50(2â³)~700(28â³) |
50(2â³)~450(18â³) |
|
PN (Nominal pressure) |
1.0 | 1.6 | |
MPa Testing pressure |
Shell | 1.5 | 2.4 |
Sealing | 1.1 | 1.76 | |
Suitable temperature |
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Suitable mediums |
Frash water,sewage,air,steam,food,medicine,oils,acids,etc. |
Meterial of main parts
parts |
material |
body |
cast iron, ductile iron, |
seat |
EPDM, NBR,VITON, PTFE |
disc |
nickel ductile iron,AI bronze, stainless steel |
stem |
carbon steel, stainless steel |
bushing |
PTFE |
âOâ ring |
PTFE |
pin |
stainless steel |
key |
stainless steel |
Executive  Standard:
Design Standard | EN 593 , MSS SP67 Â Â Â API 609 Â Â BS5155 |
Inspection & Test | API 598 Â ISO 5208 Â EN 12266 |
End Standard | ANSI B16.1 CL. 125LB & B16.5 CL. 150LBAS 2129 Table D & E Â Â Â BS 10 Table D & EDIN 2501 PN6, PN10 & PN16EN 1092 PN6, PN10 & PN16ISO 2531 PN6, PN10 & PN16ISO 7005 PN6, PN10 & PN16KS B 1511 / JIS B 2210 5K & 10KMSS SP44 CL. 150LB Â Â AWWAC207SABS 1123 Table 1000/3 & Table 1600/3 |
Face to Face | ISO 5752 , EN 558 , MSS SP67 and API 609 Â Â DIN3202 |
Main dimensions and weight
DN | D | D1 | D2 | L | R | t | weight£¨kg£© | |
mm | inch | |||||||
50 | 2â³ | 107 | 65 | 43.3 | 43 | 28.2 | 19 | 1.5 |
65 | 2.5â³ | 127 | 80 | 60.2 | 46 | 36.1 | 20 | 2.4 |
80 | 3â³ | 142 | 94 | 66.4 | 64 | 43.4 | 28 | 3.6 |
100 | 4â³ | 162 | 117 | 90.8 | 64 | 52.8 | 27 | 5.7 |
125 | 5â³ | 192 | 145 | 116.9 | 70 | 65.7 | 30 | 7.3 |
150 | 6â³ | 218 | 170 | 144.6 | 76 | 78.6 | 31 | 9.0 |
200 | 8â³ | 273 | 224 | 198.2 | 89 | 104.4 | 33 | 17 |
250 | 10â³ | 328 | 265 | 233.7 | 114 | 127 | 50 | 26 |
300 | 12â³ | 378 | 310 | 283.9 | 114 | 148.3 | 43 | 42 |
350 | 14â³ | 438 | 360 | 332.9 | 127 | 172.4 | 45 | 55 |
400 | 16â³ | 489 | 410 | 381.0 | 140 | 197.4 | 52 | 75 |
450 | 18 | 539/555 | 450 | 419.9 | 152 | 217.8 | 58 | 101/107 |
500 | 20â³ | 594 | 505 | 467.8 | 152 | 241 | 58 | 111 |
600 | 24â³ | 690 | 624 | 572.6 | 178 | 295.4 | 73 | 172 |
700 | 28â³ | 800 | 720 | 680 | 229 | 354 | 98 | 219 |
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