cast iron butterfly valve

Specifications

1) Sizes:

     DN40mm-DN300mm
2) Materials:
     a) Body: CI(cast iron ,GG25 )   /   DI (ductile iron ,GGG40)

    b) Disc:  DI / CF8 / CF8M / C95400 
    c) Seat:  EPDM / NBR / TEFLON / VITON

3) Features:

    a)Cast hole. Flange connection meet ANSI 125/150#    DIN PN10/16     BS4504 PN10/16 in the meanwhile.

    b)Soft seat. Replaceable.Increase of service life.

    c)Double half shaft without pin.

    d) Square and short neck. Easy to stick scutcheon and cost saving.

These products are widely used in water source projects, urban water supply 
and drainage, sewage treatment, electric power, petroleum, petrochemical, 
heat supply, shipbuilding, medicine and metallurgy industries. Valves used for regulating or cutting off liquids in pipelines.

Liquids available include water, sewage, sea water, air, foodstuff and oil.

Specifications:
1) Working temperature: -10 - +150°C
2) Suitable for handles (DN50 - 300), gear operators, electric and pneumatic
control actuators

Lug Type Butterfly Valve Without Pin

Centerline structure,pinless double half shaft design.
Disc has two-way bearing, no installation direction requirements.
Non-backed replaceable seat with good performance and a longer working life.
Square and short neck for lable use and cost saving.
Easy installation, no need flange gasket.

The products are widely used in industries such as water projects, urban water supply & drainage, sewage treatment, eletric power, petroleum, petrochemical, heat supply, shipbuilding, medicine and metallurgy. Equipment used in regulating or cutting off medium in pipeline.