Bear “Customer initial, High-quality first” in mind, we perform closely with our clients and provide them with efficient and specialist expert services for Factory made hot-sale China Pneumatic Stainless Steel 304 Seat Wafer Flange Connection Butterfly Hard Seal Valve, We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
Bear “Customer initial, High-quality first” in mind, we perform closely with our clients and provide them with efficient and specialist expert services for China Butterfly Valve, Pneumatic Butterfly Valve, Our factory insists on the principle of “Quality First, Sustainable Development”, and takes “Honest Business, Mutual Benefits” as our developable goal. All members sincerely thanks for all old and new customers’ support. We are going to keep working hard and offering you the highest-quality products and solutions and service.Thanks.
Pressure and temperature
PN(MPa) Nominal pressure |
1.0 |
1.6 |
(MPa) Seal test |
1.5 |
1.1 |
¡æ Working temperature |
-10~80 |
-10~120 |
Suitable mediums |
water, oil and gas |
Main material list
Part name |
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 |
Top Flange | ISO 5211 |
DN | A | B | C | D | L | H | D1 | n- ø | n1- ø1 |