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Good Quality Butterfly Valve Rubber Seal - PTFE Seat Flange Type Butterfly Valve – Zhongfa Featured Image
  • Good Quality Butterfly Valve Rubber Seal - PTFE Seat Flange Type Butterfly Valve – Zhongfa

Good Quality Butterfly Valve Rubber Seal - PTFE Seat Flange Type Butterfly Valve – Zhongfa


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In the past few years, our business absorbed and digested advanced technologies both equally at home and abroad. In the meantime, our company staffs a group of experts devoted to your advancement of Reliable Butterfly Valve, Ss Butterfly Valve, Seal Butterfly Valve, We are sincere and open. We look forward to your visit and establishing trustworthy and long-term standing relationship.
Good Quality Butterfly Valve Rubber Seal - PTFE Seat Flange Type Butterfly Valve – Zhongfa Detail:

Product Detail

Size & Pressure Rating & Standard
Size DN40-DN4000
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

Flange Type Butterfly Valve (14)
Flange Type Butterfly Valve (15)
Flange Type Butterfly Valve (16)
Flange Type Butterfly Valve (17)
Flange Type Butterfly Valve (18)
Flange Type Butterfly Valve (19)

Product Advantage

Our valve connection standards include DIN, ASME, JIS, GOST, BS etc., it’s easy for customers to choose the suitable valve, help our customers reduce their stock.

Our valve has standard thickness according to GB26640, makes it capable of holding high pressure when needed.

Our valve seat use imported nature rubber, with more than 50% of rubber inside. The seat has a good elasticity property, with long service life. It can be open and close more than 10,000 times with no damage for the seat.

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.

Each valve should be cleaned by ultra-sonic cleaning machine, in case of contaminant left inside, guarantee the cleaning of the valve, in case of pollution to the pipeline.

The valve body use high adhesive force epoxy resin powder, helps it adhere to the body after melting.

Bolts and nuts use ss304 material, with higher rust protection capability.

Handle of the valve use ductile iron, is anti-corrosion than regular handle. Spring and pin use ss304 material. Handle part use semicircle structure, with good touch feeling.

Non-pin stem design adopts anti-blowout structure, the valve stem adopt double jump ring, not only can compensate the error in installation, but also can stop the stem being blow off.

Each product of ZFA has material report for the main parts of the valve.

Company Advantage

Valve Parts Machining: We not only supply valve, but also valve parts, mainly body, disc, stem and handle. Some of our regular customers keeping order valve parts more than 10 years, we also produce valve parts mold according to your drawing.

OEM: We’re OEM manufacturer for famous customers in Moscow(Russia), Barcelona(Spain), Texas(USA), Alberta(Canada) and 5 other countries.

Machines: We have total 30 machines (include CNC, machine center, semi-auto machine, pressure testing machine, spectrograph etc.) mainly used for valve part machining.

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Our primary objective is usually to offer our shoppers a serious and responsible small business relationship, offering personalized attention to all of them for Good Quality Butterfly Valve Rubber Seal - PTFE Seat Flange Type Butterfly Valve – Zhongfa , The product will supply to all over the world, such as: St. Petersburg, Serbia, Armenia, We are in continuous service to our growing local and international clients. We aim to be worldwide leader in this industry and with this mind; it is our great pleasure to serve and bringing the highest satisfaction rates among the growing market.
    • The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
    5 Stars By Eve from Nepal - 2018.09.21 11:44
    The company has rich resources, advanced machinery, experienced workers and excellent services, hope you keep improving and perfecting your products and service, wish you better!
    5 Stars By Honorio from St. Petersburg - 2017.01.28 18:53
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