Grooved Butterfly Valve (WDS)

Model NO.: WDS Connection Form: Welding Seal Form: Force Sealed Work Pressure: Low Pressure (Pn<1.6mpa) Material of Seal Surface: Soft Sealed Application: Industrial Usage, Water Industrial Usage, Household Usage Standard or Nonstandard: Standard Pressure Rating: Low Pressure Certificates: Ce/Wras/ISO Waranty: 12 Months Grooved End Butterfly Valve: Grooved End Butterfly Valve Transport Package: Plywood Case Origin: Tianjin China Driving Mode: Manual Structure: Centre Sealing Valve Stem: Normal Working Temperature: Normal Temperature (-40°CStandard:
Design standard conform to: MSS SP-67, API609, EN593
Connection flange conform to: DIN PN10/16/25, ANSI B16.1, BS4504, ISO PN10/16,
JIS B2212/2213, BS 10 Table D, BS 10 Table E
Top flange conform to: ISO 5211
Face to face conform to: API609, ISO5752 series 20, BS5155
Test standard conform to: API598
Suitable Mediums: Oil, gas, water, sewage

Design characters:
O-ring seated in disc and easy to be replaced.
Choice of O-ring elastomers for different operating temperatures and environments.
Standard cast iron nickel plated body.
Aluminum bronze or nickel plated ductile iron disc options.
Large diameter shaft on all size provides superior strength.
Maximum disc diameter for each valve size which has a greater free-flow area than the others.
Open and close locking handle with more dependable locking capabilities.

Performance:
Nominal Diameter: DN50-DN150
Nominal Pressure PN (MPa):
1.0, 1.6, 2.0, 2.5
Testing pressure (water) PS (MPa)
Body seat: 1.5 times rated pressure
Seat test: 1.1 times rated pressure

Here is the features:
1. Structure simple is compact, stable positioning, and the weight is light.
2. Designs reasonably, the assembling and dismantling and installation is easy, to be advantageous.
3. Minimized operating torque. Lever, gear, pneumatic and electric actuators can be chosen.
3. Rubber backed seat with stable valve torque. No leakage under the rated pressure.
4. Special design, high flow rate and low flow resistance.

Application:
1. These products are mainly used for pipeline flow, pressure and temperature control of various industrial automation productiong, for example: Electricity, petrifaction, metallurgy, environmental protection, energy management, fir-fighting systems.
2. Simultaneously they have good fluid control properties, and can operate simply.
3. They are not only widely used in general industries as petroleum, coal gas, chemical engineering, water treatment, but also used in the cooling water system of thermal power plant.

Detailed Description:
Series	Grooved valve
Size:	DN40-DN600
End flange:	ANSI B 16.1, ASTM B 16.47, EN 1092, AS 2129, ISO PN10/16, JIS B2212/2213, BS 10 Table D, BS 10 Table E
Face to face:	ANSI B 16.10
Top flange:	ISO 5211
Norminal pressure:	DN40-DN600(1.5" -24" ) PN1.0/1.6MPa(150/200PSI) DN700-DN1200(28" -48" ) PN1.0MPa(150PSI)
Body:	Cast Iron/Ductile Iron/WCB/Carbon steel/AL-Bronze/CF8, SS304/CF8M, SS316
Disc:	Ductile Iron/Ni-plated ductile iron/Nylon-plated ductile iron/AL-Bronze/Rubber lined Disc/1.2501/1.4529/CF8/CF8M/Hastelloy Alloy/Monel
Stem:	SS416/SS304/SS316/SS431/17-4PH/Monel
Seat:	NBR/Hypalon/EPDM/Neoprene/NR/Wear-Resistant EPDM/Viton/Silicon/Heat-Resistant EPDM/White EPDM/EPDM/PTFE
Suitable temperature:	Normal Temperature -45 ~150
Medium:	Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc.

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