cast iron center line wafer butterfly valve
1.DN50-1200mm
215 years' manufacturing experiences
3.Good quality and competitive
cast iron center line wafer butterfly valve
Standards:
1) Design and manufacture: API609
2) Face to face/end to end: ANSI B16.10
3) Flange dimensions: ANSI B16.5a
4) Butt welding dimensions: ANSI B16.25
5) Pressure temperature rating: ANSI B16.34
6) Inspection and test: API598
Product parameter:
Nominal diameter(mm)
50-1200mm
Nominal pressure(Mpa)
0.6
1.0
1.6
Seal test(Mpa)
0.66
1.1
1.76
Strength test(Mpa)
0.9
1.5
2.4
Suitable temperature
-29-425;-40-650
Suitable medium
Water ,air,nutural gas,oil
Rate of leakage
Correspond to GB/T13927-92
Type of drive
Worm drive,motor-driven,pneumatic,hydraulic,
handwheel
Material for main parts:
Parts name
Material
Body
Ductile cast iron,cast steel,Alloy steel, stainless steel
Disc
Grey cast iron,ductile cast steel,cast steel,stainless steel and hoc material
Seal ring
Manifold rubber,such as EPDM, PTFE,NBR,Viton,CR
Stem
steel,2Cr13,SS420,SS304,SS316
Packing
O-ring,flexible graphite
Characteristic of product :
1. Light and mini-type, easily dismantling and repair and can be installed in any position.
2. Simple structure, 90° return to open or close the valve.
3. Small operating torque, long life even millions on-off also can work normally.
4. Direct proportion fluid characteristic, adjust performance is very good.
5. Good sealing performance, seal test can reach zero leakage.
6. Change the material can suitable for many kinds medium.
7. Double offset,never limited by the medium flow direction.
8. Used for sea water or corrosive medium.
9.Operation:Lever,Worm Gear,Pneumatic,Electric Actuator.
Advantages:
1) Fast Material Supply. Have own copper bar Factory of Group.
2) Every valve put through a complete QC process before delivery.
Material Control, Machining Quality Control, In-coming Material Inspection, Assembly Line Quality Control, Leakage Testing, Final Inspection Before Delivery.
3) 100% Leakage Test.
4) Strictly and perfect management in production.
5) Guaranteed Quality In Competitive Price.
6) competive price and on-time delivery.
7) Complete R&D facilities and Excellent team.
8) Annual R&D projects reach the number of 100.
9) Have rich experience and strong ability to develop new products.
Packing &delivery:
Payment:T/T,L/C,etc
Price Term:EX-Work,FOB,CFR,CIF
Delivery:according to your order
Package: Plywood cases or pallet ,or as customers' requirement