Center line wafer type butterfly valve

Center line wafer type butterfly valve

Short Description:

Size:DN 25~DN 2000
Pressure:PN10/PN16/PN20/150psi/200psi/300psi
Design standards: EN593/API609
Valve type: wafer type
Stem position: Concentric
Body materials: Ductile iron GJS-400/Cast iron GJL-250
Disc materials:Ductile iron/ CF8/ CF8M/Aluminium bronze
Seat materials: EPDM/NBR/PTFE/VITON/BUNA-A
Design standard:EN558-1 Series 20/API609
Flange connection:EN1092 PN6/10/16,JIS 5/10K,CL150,Table D/E
Top flange:ISO 5211
Operation: Lever handle/Worm gear/Electric actuator/Pneumatic actuator
Suitable temperature: -20~ 120℃


Product Detail

Product Tags

Specification

Center line wafer type butterfly valve 3
Center line wafer type butterfly valve 4

Design&Specification

1 Design & Manufacture standard according to API 609,MSS-SP67,BS5155,EN593,DIN3354,JIS B2032.
2 Connection standard according to ANSI, DIN, BS, JIS, ISO.
3 Type: Wafer type.
4 Nominal pressure: PN10, PN16, CL125, CL150, JIS5K, JIS10K
5 Operation: Hand lever, Worm gear, Electric actuator, Pneumatic actuator
6 Suitable medium: Fresh water, Sewage, Sea water, Air, steam, Food, Medicine etc.

Test

Nominal Pressure PN10 PN16 125PSI 150PSI
Shell Pressure 15bar 24bar 200PSI
Seat Pressure 11 bar 17.6bar 300PSI

Inspection & Test

5
6

1.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.
2.Seat test: 1.1 times the working pressure with water.
3.Function/Operation test: At the time of final inspection, each valve and its actuator (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.
4.Special test: On request, any other test can be carried out according to special instruction by client.

Application

The resilient seated butterfly valve is used to start, stop, and regulate the flow of fluids through pipelines. It’s suitable for the following applications:
1.The pharmaceutical,chemical and food industries.
2.Marine and petrochemical processing.
3.Water and wastewater applications.
4.Oil and gas production, fuel handling systems.
5.Fire protection systems.

Advantages of our products:

Tight sealing
Disc of high strength
Bidirectional sealing function
Multiple functions
Low cost and less maintenance


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