Didtek DIN Triple Offset Wafer Butterfly Valves are manufactured to the latest edition of DIN Standard 3354 and tested to EN Standard 12266-1.
Applicable Standards:
– Design DIN3354
– Face to face EN 558-1
– End flanges EN 1092-1
– Butt welding ends EN 12627
– Inspection and test EN 12266-1
Pressure Rating:
– PN10,16,25,40
Temperature Range:
– -50°C~650°C
Size Range:
– DN50~DN1600

Design Description:
– Low friction between seat and disc of valve
– “”Zero Leakage”” Sealing Design
– Standard Laminated Resilient Disc Seal to 800°F(427℃)
– One piece Shaft
– Low torque enables the compact actuator and a long cycle life
– Blow-out proof shaft
– Optional stem extension
– Optional locking device

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