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Responsible excellent and fantastic credit rating standing are our principles, which will help us at a top-ranking position. Adhering towards the tenet of âquality initial, buyer supremeâ for Check Valve Dn80, Check Valve Ptfe, China Check Valve, If you need to have any of our merchandise, or have other items to be produced, make sure you send us your inquiries, samples or in depth drawings. Meanwhile, aiming to develop into an international enterprise group, we look forward to receiving offers for joint ventures and other cooperative projects.
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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 |
|||
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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