Butterfly Valve
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DN50-1000 PN16 CL150 Wafer Butterfly Valve
In the ZFA valve, the size of the wafer butterfly valve from DN50-1000 is usually exported to the United States, Spain, Canada, and Russia. butterfly valve products of ZFA, well-liked by customers.
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Wafer Type Fire Signal Butterfly Valve
The fire signal butterfly valve usually has a size of DN50-300 and a pressure lower than PN16. It is widely used in coal chemical, petrochemical, rubber, paper, pharmaceutical and other pipelines as a diversion and confluence or flow switching device for media.
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Ductile Iron SS304 Disc Lug Type Butterfly Valves
Ductile Iron body,SS304 disc butterfly valve is suitable for weakly corrosive medium. And always applied to weak acids, bases and water and steam. The advantage of SS304 for disc is that have a long service life, reducing the times of repairs and lowering operating costs. Small size lug type butterfly valve can choose hand lever, from DN300 to DN1200, we can choose worm gear.
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Lug Type Butterfly Valve with Body
Our ZFA valve have different model for lug type butterfly valve body for our clients and also can customized. For the lug type valve body material, we can be CI,DI,stainless steel,WCB, bronze and etc. We have pin and pin less lug butterfly valve. The actuator of lug type butterfly valve can be lever, worm gear, electric operator and pneumatic actuator.
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Worm Gear DI Body Lug Type Butterfly Valve
Worm Gear also called gearbox or hand wheel in butterfly valve. Ductile Iron body lug type butterfly valve with worm gear is common used in water valve for pipe. From DN40-DN1200 even larger lug type butterfly valve, we also can use the worm gear to open and close the butterfly valve. Ductile Iron body is suitable for a wide range of medium.Such as water, wast water,oil and etc.
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Hand Lever Actuated Ductile Iron Lug Type Butterfly Valves
Hand lever is one of manual actuator, it usual used for small size butterfly valve from size DN50-DN250. Ductile iron lug type butterfly valve with hand lever is a common and cheap configuration. It is widely used in different conditions. We have three different kinds of hand lever for our clients to choose:stamping handle,marble handle and aluminium handle.Stamping hand lever is the cheapest. And we usually used marble handle.
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Lug Type Triple Offset Butterfly Valve
Lug type triple offset butterfly valve is a kind of metal seat butterfly valve. Depending on the working conditions and the medium, different materials can be selected, such as Carbon steel, stainless steel,duplex steel and alum-bronze. And the actuator can be hand wheel, electric and pneumatic actuator. And the lug type triple offset butterfly valve are suitable for pipes larger than DN200.
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Butt Welded Triple Offset Butterfly Valve
Butt welded triple offset butterfly valve are good sealing performance,so it improve the reliability of the system. It has the advantage that:1.low friction resistance 2. Open and close are adjustable, labor-saving and flexible.3. Service life is longer that soft sealing butterfly valve and can achieve repeated on and off.4. High resistance for pressure and temperature.
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PTFE Full Lined Lug Butterfly Valve
ZFA PTFE full lined Lug type butterfly valve is Anti-corrosive butterfly valve, suitable for toxic and highly corrosive chemical media.According to the design of the valve body, it can be divided into one-piece type and two-piece type. According to the PTFE lining can also be divided into fully lined and half lined. Fully lined butterfly valve is the valve body and valve plate are lined with PTFE; half lining refers to only lining the valve body.
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Pneumatic Lug Butterfly Valve
Lug type butterfly valve with Pneumatic actuator is one of the most common butterfly valve. The pneumatic lug type butterfly valve is driven by the air source. Pneumatic actuator are divided into single acting and double acting. This kind of valves are widely used in water, steam and wastewater treatment. in different standard, such as ANSI, DIN, JIS, GB.