China Yuming Valve Group Co.,ltd

flanged butterfly valve,worm gear,butterfly valve,wafer type,grooved, Manufacturer and Supplier - China(CN)

API standard internal threaded cast iron handle butterfly valve

API standard internal threaded cast iron handle butterfly valve

Business Information

  • Price : $50 USD
  • Min. Order : 1
  • Certificate : CE,ISO;API;TS
  • FOB Port : Qingdao, Tianjin ,Shanghai
  • Made In : China(CN)
  • Packaging : Standard export packing:Plywood case/Bubble bag/poly bag/Wooden case or shipment in time according t
  • Supply Capability : 8000 Sets per Week
  • Delivery Time : 15days

Product Features

Double Eccentric Disc-Shaft
Anti-Blow Out Stem
Fire safe Design
Low Friction Body Seat
Zero Leakage
Small in size
Light in weight
Long service life
Can be used in cutting off and regulation medium
Simple, compact structure, quick 90 degree on-off operation.
Strong wash and brush resistance and can fit to bad working condition.


Connection flange conform to:DIN PN10/16/25,ANSI B16.1, BS4504,ISO PN10/16,JIS B2212/2213
Top flange conform to:     ISO 5211
Face to face conform to:  API609, ISO5752 series 20, BS5155
Test standard conform to:API598


1.Water Treatment Plant


3.Drilling Rigs

4. Heating & Air Conditioning

5.Paper Industry 

6.Chemical Industry

7.Gas Plant

8.Pneumatic Conveyors

9.Sugar Industry

10.Waste Effluent Treatment Plant

11.Cooling Water Circulation

12.Compressed Air

Standard Test

Body Test: 1.5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is called as a body hydro test.

Seat Test: 1.1 times the working pressure with water.

Function / Operation Test: At the time of final inspection, each valve and its actuator (Flow-Control Lever / Gear / Pneumatic Actuator), under goes a complete operating test (Open/Close). This test carried out without pressure and at ambient temperature. It ensures the correct operation of the valve / actuator assembly with accessories such as solenoid valve, limit switches, air filter regulator etc.

Special Test: On request, any other test can be carried out according to special instruction by client.


Product Specifications

Size Range:2''~16"
Pressure:PN10, PN16, Class125
Body Materials:Cast iron
Seat Materials:natural rubber,Hypalon,EPDM,NBR,Viton,heat resistant rubber
Disc Materials:CF8,CF8M,stainless steel
Stem Materials:SS416, SS304, SS316
Bushing:lubricated bronze,PTFE
Shaft:stainless steel,carbon steel
End Connection:Threaded
Operate:Manual, Worm gear, Pneumatic, Electric-Motorized

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