We now have our own gross sales team, style and design workforce, technical crew, QC workforce and package group. We now have strict quality manage procedures for each system. Also, all of our workers are experienced in printing industry for Good quality China API 6D Cast Steel/Forged Steel Swing/Wafer/Vertical Spring Type Check Valve Non Return Valve, Good quality and competitive costs make our products appreciate a high track record all over the word.
We now have our own gross sales team, style and design workforce, technical crew, QC workforce and package group. We now have strict quality manage procedures for each system. Also, all of our workers are experienced in printing industry for China ANSI Check Valve, Stainless Steel Check Valve, Wafer Butterfly Type Check Valve, Our continual availability of high grade products in combination with our excellent pre-sale and after-sales service ensures strong competitiveness in an increasingly globalized market. welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
Main materials: carbon steel, stainless steel, Inconel, Incoloy, etc.
Pressure and temperature
DN(mm) Nominal diameter |
50(2″)~700(28″) |
50(2″)~450(18″) |
|
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 |
“O” ring |
PTFE |
pin |
stainless steel |
key |
stainless steel |
Executive Standard:
Design Standard | EN 593 , MSS SP67 API 609 BS5155 |
Inspection & Test | API 598 ISO 5208 EN 12266 |
End Standard | ANSI B16.1 CL. 125LB & B16.5 CL. 150LBAS 2129 Table D & E 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 AWWAC207SABS 1123 Table 1000/3 & Table 1600/3 |
Face to Face | ISO 5752 , EN 558 , MSS SP67 and API 609 DIN3202 |
Main dimensions and weight
DN | D | D1 | D2 | L | R | t | weight(kg) | |
mm | inch | |||||||
50 | 2″ | 107 | 65 | 43.3 | 43 | 28.2 | 19 | 1.5 |
65 | 2.5″ | 127 | 80 | 60.2 | 46 | 36.1 | 20 | 2.4 |
80 | 3″ | 142 | 94 | 66.4 | 64 | 43.4 | 28 | 3.6 |
100 | 4″ | 162 | 117 | 90.8 | 64 | 52.8 | 27 | 5.7 |
125 | 5″ | 192 | 145 | 116.9 | 70 | 65.7 | 30 | 7.3 |
150 | 6″ | 218 | 170 | 144.6 | 76 | 78.6 | 31 | 9.0 |
200 | 8″ | 273 | 224 | 198.2 | 89 | 104.4 | 33 | 17 |
250 | 10″ | 328 | 265 | 233.7 | 114 | 127 | 50 | 26 |
300 | 12″ | 378 | 310 | 283.9 | 114 | 148.3 | 43 | 42 |
350 | 14″ | 438 | 360 | 332.9 | 127 | 172.4 | 45 | 55 |
400 | 16″ | 489 | 410 | 381.0 | 140 | 197.4 | 52 | 75 |
450 | 18 | 539/555 | 450 | 419.9 | 152 | 217.8 | 58 | 101/107 |
500 | 20″ | 594 | 505 | 467.8 | 152 | 241 | 58 | 111 |
600 | 24″ | 690 | 624 | 572.6 | 178 | 295.4 | 73 | 172 |
700 | 28″ | 800 | 720 | 680 | 229 | 354 | 98 | 219 |