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Ductile Iron Wafer Butterfly Valve with Hand Lever

China Ductile Iron Wafer Butterfly Valve with Hand Lever, Find details about China Butterfly Valve, Wafer Type Butterfly Valve from Ductile Iron Wafer Butterfly Valve with Hand Lever

Model NO.
BWYH-00A
Working Temperature
Normal Temperature (-40°C<T<120°C)
Material of Seal Surface
Metal Hard Sealed
Valve Body
Casting
Application
Industrial Usage, Water Industrial Usage, Marine, Gas, Petroleum, Chemical Industry
Port Size
Dn40-Dn600 or 1.5′-24′
Transport Package
Wooden Case or as Per Clint; S Requirement
Specification
CE, SGS
Origin
Dezhou, Shandong Province
Model NO.
BWYH-00A
Working Temperature
Normal Temperature (-40°C<T<120°C)
Material of Seal Surface
Metal Hard Sealed
Valve Body
Casting
Application
Industrial Usage, Water Industrial Usage, Marine, Gas, Petroleum, Chemical Industry
Port Size
Dn40-Dn600 or 1.5′-24′
Transport Package
Wooden Case or as Per Clint; S Requirement
Specification
CE, SGS
Origin
Dezhou, Shandong Province
Ductile Iron Wafer Butterfly Valve with Hand Lever

Size: DN40-600

Body: GG25, GGG40,

Disc: CF8/ CF8M/ GGG40/ Al-Br

Seat: NBR/EPDM/PDFE /VITON

Color: Any color according to customer requirement

Working pressure: PN10/ 16

Flange standard: PN10/ 16/ ANSI150

Brief introduction of wafer type spline butterfly valve

1. Wafer type spline butterfly valve, designed to comply with MSS-SP-67, BS5155, and API609. Compatible with GB, DIN, BS, ANSI flanges. Face to face according to ISO 5752.

2. Characteristic of wafer type spline butterfly valve is to splice the rubber liner on the body, the strength more highly and the seal more reliably for the seat.

3. The spline is between the shaft and disc.

4. Available in size 1.5'-24'.

5. Available with handles, manual gear operators, and electric or pneumatic actuators
 
  1. Industrial Use
The butterfly valves are widely used in piping of chemical, food, medicine, paper making, water and electricity, shipbuilding, water supply and drainage, metallurgy and energy systems, and is available for regulating and closure devices in a variety of corrosive, non - corrosive gas, liquid, semi-liquid and solid powder pipelines and containers.  
 
  1. Performance Specification                                            
   Nominal Diameter (DN)25(1")~600(24")25(1")~600(24")DN (inch)
Nominal Pressure (PN)1016BAR
 
 Test PressureBody1524
 Sealing1117.6
Working temperatureºC-15ºC~+150ºC
Applicable MediumsFresh water, sewage, sea water, air, steam, food, drug, various oil, acid, alkali, salt, etc.
Note: Applicable temperature and mediums are depending on the materials of different valve seats, bodies, stems and discs, see table 1 and table 2:    
                         
Regular Material of the Main Parts (Table 1)
BodyDiscStem
NameCodeNameCodeNameCode
Cast IronGG25 Electric-plated
DI		GGG40+NiStainless Steel416/316
 Ductile   Iron(DI)GGG40AL-BronzeC954/C958   431/17-4
AL-BronzeC954/C958 Stainless SteelCF8/CF8M  
Stainless SteelCF8/CF8MCoating DI GGG40+Nylon  
Carbon SteelWCB    
                       
Properties of Valve Seat (Table 2)
SeatApplicable TemperatureºC Applicable Medium
Name
HYPALON-15ºC~+120ºCWater, some kind of oil and moderate chemicals, ozone, fat, animal fat, several of solvents, high and low pressure steam are forbidden.
EPR-15ºC~+121ºCOzone, strong and chemical oxidation, several of solvents, alcohol, acid and alkali, low pressure steam, air, water, heavy water, sewage, hot and cold water.
CR-15ºC~+99ºCAir, water, heavy water, oil, moderate chemicals, acids, ozone, fat, animal fat, several of solvents.
NBR-15ºC~+82ºCWater, sea water, air, gases, chemicals, alcohol, the non aromatic agent, kerosene, animal and plant oil, light grinding medium, shall not apply to phosphate series oil and extreme pressure additive oil.
DRC-10ºC~+50ºCMainly suitable for semiliquid and solid powder medium, such as mud, coal slurry, cement powder, coal powder and other powder materials.
VITON-15ºC~+135ºCWater, sea water, sewage, alcohol, paraffin wax, oxygen, air, etc. High Chemical resistance, especially suitable for aliphatic fragrances in high temperature environment, and animal & plant oil with halogenated hydrocarbon acid. High and low pressure steam is forbidden.
EPDMX9-15ºC~+150ºCMainly applicable to the low pressure steam with high temperature, hot & cold water and heat pipes for disposable water treatment.
PTFE -18ºC~+200ºCMainly applicable to strong acid, strong alkali and other corrosive medium.

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