Aleksin Plant of Heavy Industrial Valves - Tyazhpromarmatura
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Testing of ball valve DN 1000 mm PN 12,5 Mpa

On the 22nd 29th of June acceptance tests of ball valve DN 1000 mm PN 12,5 MPa were carried out at test site of PJSC "Gazprom" "Saratovorgdiagnostika".

Application of new engineering solutions in the ball valve under tests allowed to achieve a full range of advantages:

  • interchangeability of actuators and faultlessness of adjustment of ball valves installed on pipelines;
  • reduction of weight and size of pneumohydraulic actuators for 40%;
  • considerable reduction of consumed and emitted into atmosphere natural gas while ball valve stroking;
  • reduction of volume of filled hydraulic liquid for more than 2 times.

The design of the bal valve includes separate scheme of ball valve control, dielectric inserts intended for isolation of control unit, sealing elements made of materials with increased wear resistance.

The tests, which were performed, conformed compliance of ball valve manufactured by PJSC "Tyazhpromarmatura" with the requirements of general specification 98.

Commission of PJSC "Gazprom" recognized modernized ball valve to pass the tests and recommended it for serial production.

July 19, 2006

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