Center Line Butterfly Valve

Center Line Butterfly Valve

Center line butterfly valve according to the seat material into rubber lining center line butterfly valve and fluorine plastic lining butterfly valve, rubber lining center line butterfly valve mainly for cast iron valve body lining EPDM, NBR, VITON rubber and so on rubber, mainly used for water, serous situation, often used in medium with fresh water, sea water, sewage etc.PTFE lined butterfly valve(Teflon lined butterfly valve) is mainly in WCB body lining PTFE, F46, and other plastics, mainly used in chemical anti-corrosion, often used in corrosive liquids such as nitric acid and sulfuric acid.

Products Detail

Specification of this Center Line Butterfly Valve
Center line butterfly valve according to the seat material into rubber lining center line butterfly valve and fluorine plastic lining butterfly valve, rubber lining center line butterfly valve mainly for cast iron valve body lining EPDM, NBR, VITON rubber and so on rubber, mainly used for water, serous situation, often used in medium with fresh water, sea water, sewage etc.PTFE lined butterfly valve(Teflon lined butterfly valve) is mainly in WCB body lining PTFE, F46, and other plastics, mainly used in chemical anti-corrosion, often used in corrosive liquids such as nitric acid and sulfuric acid. 
Parameters of this Center Line Butterfly Valve

Concentric design
Non Pin stem
Low torque
Zero leakage
Low torque
Self cleaning
Blowout-proof stem
ISO 5211 top flange

Design Standard:
Design: API 609
Face to face: ISO5752-20 / ISO5752-13
End connection: ASME B16.5 / ASME B16.47 /EN1092-2
Test: API598

Technical Specification:
Size: 2”~80”(DN50~DN2000)
Class: 150Lb(PN10,PN16)
Connection: Double flange / U-Type Flange / Wafer / Lug
Operation: Manual / Worm Gear / Pneumatic actuator / Electric actuator
Temperature: -20°C to +160°C
Application: Sewage treatment / Desalination of sea water / Chemical / Corrosion media

Material Option:
Body: Cast iron / Ductile iron / WCB
Disc: Stainless steel(CF8,CF8M,CF3,CF3M) /
Duplex stainless steel(4A,5A,6A) /
Hastelloy alloy(N-12MV,CW-12MW,CW-2M) /
Inconel alloy(CY-40,CW-6MC) /
Monel alloy(M35-1) /
Aluminium bronze alloy(C95400,C95500,C95800,AB2C)
Stem: SS420 / 17-4PH / F304 / F316 / K500
Seat: EPDM / NBR / Viton

Pictures of this Center Line Butterfly Valve
Product advantage of this Center Line Butterfly Valve
 
Our Center Line Butterfly Valve are designed and manufactured to provide maximum service life and dependability. All Center Line Butterfly Valve are full ported and meet or exceed the design requirements of industrial standard. Valves are available in a complete range of body/bonnet materials and trims, with the advantages:
1. Range of Materials: Standard body/bonnet materials include ten grades of carbon, low alloy and stainless steels. For special applications they can be supplied in other grades of alloy and stainless steel. There’s a full range of trim materials to match any service. Optional packing and gasket materials are available for a full range of service conditions.
2. Easy Maintenance: the valve can be matched up with the service conditions, thus enhancing operability and lessening the possibility of binding.
3. Easy Operation: the valves easily accessible for repair or replacement. Packing swing bolts on most valves simplify packing replacement.
4. Actuator Flexibility: All valves are available with hand-wheels, gearing, electric motor actuators or pneumatic or hydraulic cylinder actuators.
5. Longer Life: strong construction provides years of reliable service.
6. Convenient maintenance:
Convenient maintenance, simple structure of ball valve, seal ring is generally mobile, easy to remove and replace.
7. Good sealing performance by the erosion of full-time small sealing surface
8. Wide application: Wide range of applications, from small to a few millimeters, to several meters, from high vacuum to high pressure can be applied.

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