OEM/ODM China 4 Inch Butterfly Valve - PTFE Seat Flange Type Butterfly Valve – Zhongfa

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We have state-of-the-art tools. Our products are exported towards the USA, the UK and so on, enjoying a fantastic reputation amongst customers for Pneumatic Operated Butterfly Valve, Dual Check Valve, 4 Inch Butterfly Valve, Our products have exported to North America, Europe, Japan, Korea, Australia, New Zealand, Russia and other countries. Looking forward to build up a good and long term cooperation with you in coming future!

OEM/ODM China 4 Inch Butterfly Valve - 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)

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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It is a good way to improve our products and service. Our mission is to develop creative products to customers with a good experience for OEM/ODM China 4 Inch Butterfly Valve - PTFE Seat Flange Type Butterfly Valve – Zhongfa , The product will supply to all over the world, such as: Albania, Hungary, Islamabad, All styles appear on our website are for customizing. We meet up to personal requirements with all products of your very own styles. Our concept is to help presenting the confidence of each buyers with the offering of our most sincere service, and the right product.

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