Page 10 - C.B.Trading - Intervalve
P. 10

BUTTERFLY VALVE











                                                Special Purpose Rubber Lined

                                                Butterfly Valve With Lugged Body














       Key Features



          Full PN10 pressure rating for entire range of DN50 to Db350.

          Bi-directional valve with sealing capability to hold rated shut off
          pressure in either direction.


          Unique triple sealing system for shaft sealing, eliminates any
          fugitive emission or secondary leakage.

          Self  lubricated shaft bearings (PTFE coated stainless steel) for

          both drive end and non-drive end shaft ensures minimum
          bearing friction torque.

          Square coupling disk drive arrangements eliminates need for

          taper pins and exposure of metal parts to media.

          Spherically profiled seat and disc shoulder contact area ensures
          perfect sealing around the shaft bore and zero leakage.

          External locking arrangement for top shaft to make it blow

          out proof.

          Seat liner extending on to the flange faces of the body eliminates
          the need for separate flange gaskets.

          Controlled compression of the gasket face to offer optimum

          sealing & prevent gasket face crushing due to over tightening.













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