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COVNA - Butterfly Valve Suppliers List Price
Founded in 2000, COVNA has become China’s largest valve and actuator manufacturer.
The products have passed ISO9001 and CE certification.
The valve life is guaranteed for 5 years.
We provide one-stop sourcing service for you.
The dozens of series of ball valves, butterfly valves, electric actuators, pneumatic actuators, and accessories.
Wafer Butterfly Valves
Specifications
Nominal Size: DN25~DN1200
Operated Type: Pneumatic Actuator, Electric Actuator, Manual Hand Lever, Worm Gear.
Work Pressure: PN6 / PN10 / PN16
Seal Material and Work Temperature:
( EPDM: -15~85°C ), ( PTFE: -25~150°C), ( NBR: -15~85°C), (VITON: -25~200°C).
Disc Material: SS304/SS316, Aluminum Bronze, Nylon, Ductile Lron, 2205, 2507, 1.4529.
Body Material: Ductile Iron, SS304/SS316, WCB, Aluminium Alloy, 2205, 2507, 1.4529.
Medium: Water, Oil, Gas, Powder, FGDD.
Connection Standard: PN10/PN16, ANSI150, DIN16, JIS10K/16K
Application​: Water Treatment, Munciliple Engineer, Pharmacy, Auto Industry.
Fully Lined Butterfly Valve
Specifications
Nominal Size: DN25~DN300
Operated Type: Pneumatic Actuator, Electric Actuator, Manual Hand Lever, Worm Gear.
Work Pressure: PN1.0 / PN1.6
Seal Material: PTFE, FEP, PFA, GXPO.
Work Temperature: -15~150°C
Disc Material: WCB, SS304.
Body Material: Ductile Iron, WCB, Stianless Steel.
Medium: Strong Acid, Strong Alkali, Strong Oxidant.
Connection Standard: PN10/PN16, ANSI150, DIN16, JIS10K/16K
Application​: Lithium Battery, Desalination, Coal Chemical, Chemical Industry, Rubber, Papermaking, Pharmacy
Flanged Butterfly Valves
Specifications
Nominal Size: DN25~DN1200
Operated Type: Pneumatic Actuator, Electric Actuator, Manual Hand Lever, Worm Gear.
Work Pressure: PN6 / PN10 / PN16
Seal Material and Work Temperature:
( EPDM: -15~85°C ), ( PTFE: -25~150°C), ( NBR: -15~85°C), (VITON: -25~200°C).
Disc Material: SS304/SS316, Aluminum Bronze, Nylon, Ductile Iron, 2205, 2507, 1.4529.
Body Material: Ductile Iron, SS304/SS316, WCB, Aluminium Alloy, 2205, 2507, 1.4529.
Medium: Water, Oil, Gas, Powder, FGDD.
Connection Standard: PN10/PN16, ANSI150, DIN16, JIS10K/16K
Application​: Water Treatment, Munciliple Engineer, Pharmacy, Auto Industry.
Lt Lug Type Butterfly Valve
Specifications
Nominal Size: DN25~DN300
Operated Type: Pneumatic Actuator, Electric Actuator, Manual Hand Lever, Worm Gear.
Work Pressure: PN25
Seal Material and Work Temperature:
( EPDM: -15~85°C ), ( PTFE: -25~150°C), ( NBR: -15~85°C), (VITON: -25~200°C).
Disc Material: SS304/SS316, Nylon, Ductile lron, 2205, 2507, 1.4529.
Body Material: Ductile Iron, SS304/SS316, WCB, Aluminium Alloy, 2205/2507, 1.4529.
Medium: Water, Oil, Gas, Powder, FGDD.
Connection Standard: PN10/PN16, ANSI150, DIN16, JIS10K/16K
Application​: Water Treatment, Munciliple Engineer, Pharmacy, Auto lndustry.
Ventilation Butterfly Valve
Specifications
Nominal Size: DN80~DN2000
Operated Type: Pneumatic Actuator, Electric Actuator, Manual Hand Lever, Worm Gear.
Work Pressure: PN6 / PN10 / PN16.
Temperature: 15~430°C
Seal/Disc/Body Material: Cast lron, Stainless Steel, Alloy Steel, Chromium, Molybdenum Steel, Other Special Materials.
Body Material: Ductile Iron, SS304/SS316, WCB, Aluminium Alloy, 2205/2507, 1.4529.
Medium: Water Gas, Smoke, Aeration.
Connection Standard: PN10/PN16, ANSI150, DIN16, JIS10K/16K
Application​: VTO Incinerator, Ventilating Pipe.
U Type Flanged Butterfly Valve
Specifications
Nominal Size: DN50~DN300
Operated Type: Pneumatic Actuator, Electric Actuator, Manual Hand Lever, Worm Gear.
Work Pressure: PN2 / PN1.0 / PN1.6
Seal Material and Work Temperature: ( EPDM: -15~150°C ), ( PTFE: -15~85°C)
Disc Material: WCB, WCB, SS316, Polishing Plate.
Body Material: Ductile Iron.
Medium: Strong Acid, Strong Alkali , Fodder.
Connection Standard: PN10/PN16, ANSI150, DIN16, JIS10K/16K
Application​: Water, Gas, Fodder.
Powder Butterfly Valves
Especificaciones
Tamaño Nominal: DN50~DN350
Tipo de Operación: Actuador Neumático, Actuador Eléctrico, Palanca Manual, Engranaje de Gusano.
Presión de Trabajo: PN0.1
Material de Sello: EPDM, NBR, VITON
Temperatura de Trabajo: -15~85°C
Material del Disco: SS304, SS316.
Material del Cuerpo: WCB.
Medio: Polvo, Forraje, Cemento.
Estándar de Conexión: PN10/PN16, ANSI150, DIN16, JIS10K/16K
Aplicaciones: Caucho, Fabricación de Papel, Farmacéutica.
UPVC Plastic Butterfly Valve
Specifications
Nominal Size: DN50~DN200
Operated Type: Pneumatic Actuator, Electric Actuator, Manual Hand Lever, Worm Gear.
Work Pressure: PN0.6 / PN1.0
Seal Material: PTFE, EPDM.
Work Temperature: -15~85°C
Disc/Body Material: UPVC, CPV, PPG, FRPP, PPH, PP, PPR, ABS.
Medium: Potable Water, Sewage, High Purity Water.
Connection Standard: PN10/PN16, ANSI150, DIN16, JIS10K/16K
Application​: Chemical lndustry, Agriculture, Pharmacy, Environmental Protection.
Hard Seal Trip Eccentric Butterfly Valve
Specifications
Nominal Size: DN50~DN250
Operated Type: Pneumatic Actuator, Electric Actuator, Manual Hand Lever, Worm Gear.
Work Pressure: 0.6-4.0Mpa
Work Temperature: ( WCB: -15~85°C ) ( Stainless Steel: 40~600°C )
Disc/Body Material: WCB, SS304, SS316.
Medium: Water, Sewage, Oil, Acid Corrosion, Ect.
Connection Standard: GB/T9115.1-2000, GB/T9115.2-2000, ASME B16.5, ASME B16.47.
Application​: Food, Medicine, Chemical Industry, Power Plant, Steel Mill, lndustrial environmental protection.
High Performance Butterfly Valve
Specifications
Nominal Size: DN50~DN350
Operated Type: Pneumatic Actuator, Electric Actuator, Manual Hand Lever, Worm Gear.
Work Pressure: 1.6-6.3Mpa
Work Temperature: -19~425°C
Seal Material: RTFE
Disc Material: SS304, SS316, SS316L.
Body Material: WCB, Stianless Steel.
Medium: Strong Acid, Strong Alkali, Strong Oxidant.
Connection Standard: JB/T79.1, JB/T79.2, HG20615, ASME B16.5, ASME B16.47.
Application​: Lithium Battery, Desalination, Coal Chemical, Chemical Industry, Rubber, Papermaking, Pharmacy​.
Fire Safety Butterfly Valve
Specifications
Nominal Size: DN50~DN300
Operated Type: Pneumatic Actuator, Electric Actuator, Manual Hand Lever, Worm Gear.
Work Pressure: 1.0Mpa, 1.6Mpa, 2.5Mpa.
Work Temperature: -10~80°C
Seal Material: PTFE, EPDM.
Disc Material: EPDM, PTFE.
Body Material: Ductile Iron, Cast Steel.
Medium: Water, Oil, Gas.
Connection Standard: PN10/PN16, ANSI150, DIN16, JIS10K/16K
Application​: Water Drainage, Building Fire.
Sanitary Butterfly Valve
Specifications
Nominal Size: DN15~DN150
Operated Type: Pneumatic Actuator, Electric Actuator, Manual Hand Lever, Worm Gear.
Connection Mode: Weld, Socket, Threaded, Clamped, Wafer.
Work Pressure: 0.6Mpa, 1.0Mpa, 1.6Mpa.
Work Temperature: 10~100°C
Seal Material: PTFE, EPDM, NBR.
Disc/Body Material: SUS304, SUS316L.
Medium: Water, Oil, Gas.
Connection Standard: ISO, DIN, IDF, SMS, 3A.
Application​: Food, Beverages, Pharmacy, Milk, Beer, Fine Chemicals.
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