Hot Sale For Pneumatic Operated Butterfly Valve - Extention Stem Wafer Butterfly Valve – Zhongfa
Hot Sale For Pneumatic Operated Butterfly Valve - Extention Stem Wafer Butterfly Valve – Zhongfa Detail:
Product Detail
| Size & Pressure Rating & Standard | |
| Size | DN40-DN1200 |
| Pressure Rating | PN10, PN16, CL150, JIS 5K, JIS 10K |
| Face to Face STD | API609, BS5155, DIN3202, ISO5752 |
| Connection STD | PN6, PN10, PN16, PN25, 150LB, JIS5K, 10K, 16K, GOST33259 |
| Upper Flange STD | ISO 5211 |
| Material | |
| Body | Cast Iron(GG25), Ductile Iron(GGG40/50), Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze, Aluminium Alloy. |
| Disc | DI+Ni, Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze, DI/WCB/SS coated with Epoxy Painting/Nylon/EPDM/NBR/PTFE/PFA |
| Stem/Shaft | SS416, SS431, SS304, SS316, Duplex Stainless Steel, Monel |
| Seat | NBR, EPDM/REPDM, PTFE/RPTFE, Viton, Neoprene, Hypalon, Silicon, PFA |
| Bushing | PTFE, Bronze |
| O Ring | NBR, EPDM, FKM |
| Actuator | Hand Lever, Gear Box, Electric Actuator, Pneumatic Actuator |
Product Display
Product Advantage
Body Test: The valve body test use 1.5 times pressure than standard pressure. The test should be done after installation, the valve disc is half close, called body pressure test. The valve seat use 1.1 times pressure than standard pressure.
ZFA Valve strictly execute API598 standard, we do both side pressure testing for all the valve 100%, guarantee deliver 100% quality valves to our customers.
All valve body casted by precise casting body, DI, WCB, Stainless Steel and many other materials, with perfect appearance, each batch has its casting stove number, easy to trace for material protection.
We use CNC machining to process the valve disc, control the precision of the valve by ourselves, guarantee good sealing property from low to high temperature.
Our valve stem is stainless steel material, the strength of the valve stem is better after tempering, reduce the transformation possibility of valve stem.
ZFA Valve body use solid valve body, so the weight is higher than regular type.
Bolts and nuts use ss304 material, with higher rust protection capability.
The valve body use high adhesive force epoxy resin powder, helps it adhere to the body after melting.
The valve seat is wide edge seat, sealing gap is wider than regular type, makes the sealing for connection easier. Wider seat also easy to install than narrow seat. The stem direction of the seat has lug boss, with O ring on it, archive the second sealing of the valve.
Hot Selling Products
5k 10k Wafer Butterfly Valve
Dual Plate Check Valve
Non-rising Stem Gate Valve
Rubber Flap Check Valve
Lug Butterfly Valve
Flange Butterfly Valve
Knife Gate Valve
Welded Ball Valve
Y Strainer
Product detail pictures:
Related Product Guide:
The key to our success is "Good Products Good quality, Reasonable Value and Efficient Service" for Hot Sale For Pneumatic Operated Butterfly Valve - Extention Stem Wafer Butterfly Valve – Zhongfa , The product will supply to all over the world, such as: Slovak Republic, Bahrain, Berlin, Customer satisfaction is our first goal. Our mission is to pursue the superlative quality, making continual progress. We sincerely welcome you to make progress hand in hand with us, and construct a prosperous future together.
By Frederica from Madras - 2017.02.18 15:54
The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
By Leona from Finland - 2018.09.12 17:18
