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Insulating Joint, Flange, Butt Welding Fitting, Valve Supplier
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Butterfly Valve

product description

Features:

1. Simple and compact construction, quick 90 degree on-off operation.

2. Minimized operating torque, energy saving.

3. Flow curve tending to straight line, excellent regulation performance.

4. Long service life, standing the test of tens thousands opening/closing operations.

5. Wide selection of materials, applicable to various medium.

Application:

Chemicals, air, water, steam, oil, acids, salts ect

Specifications:

Nominal pressue (MPa)1.01.6
Nominal diameter(mm)50-100050-1000
Test pressureShell1.52.4
(MPa)Seal1.11.76
Applicable temperature150
Applicable mediumFresh water, Sewage, Sea water, Air, Vapor, Food,   Medicine, Oils, Acids,
  Alkalis,   etc.
Operating modemanual, worm gear, pneumatic, electric, etc.

Standards: 

Design & ManufactureFlange ConnectionFace to Face DimensionTest & Inspection
MSS SP-67
  API609
  EN593
DIN PN10/16/25; ANSI B 16.1
  BS4504;   ISO PN10/16
  JIS B   2212/2213
  BS 10   table D; BS 10 table E
API609
  ISO5752   series 20
  BS5155
API 598

 Material:

No.Part NameMaterial
1BodyCarbon Steel/Stainless Steel/Cast Iron/Ductile Iron/   Al-Bronze
2DiscAl-Bronze/CF8M/Ductile iron/WCB
3SeatEPDM/PEFE/Buna/NBR/Hypalon
4StemCarbon Steel/Stainless Steel314/Stainless Steel316
5BushingPTFE/Lubricating
6O ringEPDM/PEFE/Buna/NBR/Hypalon
7PinSS316/SS416/SS304

Valve


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