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Products Details

Wenzhou Yuzheng Valve Pipe-Fitting Co.,Ltd is one of the leading China wafer butterfly valve with gear handle manufacturers, welcome to wholesale cheap wafer butterfly valve with gear handle, butterfly valve with gear box, wcb butterfly valve, manual wafer butterfly valve from our professional factory. 

Wafer Butterfly Valve With Gear Handle

Standard:
 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

Design characters:
 1. Rubber backed seat with stable valve torque.
 2. Grooved sleeve design to achieve stable positioning.
 3. Simple construction, small in size, light in weight. Easy disassembling, installation and maintenance.
 4. Minimized operating torque. Lever, gear, pneumatic and electric actuators can be chosen.
 5. Special design, high flow rate and low flow resistance.
 6. Suitable medium: water, sewage, sea water, air, steam, food, medicament, oils, acids, alkalis, salts etc. No leakage under the rated pressure.

Performance:
 Nominal Diameter: Non-backed:  DN50-DN300
 Backed:  DN50-DN300  DN350-DN1200
 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