Подъемный шаровой кран
FCA Rising stem ball valves are specially engineered for heavy duty applications outstanding at high pressure working conditions, up to ASME Class 2500# and sizes up to 24''. The BR model valve solution ensures a perfect performance at primary and secondary sealing due to an accurate design concept at any size considering soft and metal seated configurations. Ideal for applications where no leakage, energized seated and frequent operation valves are demanded, principally for the oil&gas industry.
BR model valve is designed to provide a frictionless sealing structure where the ball is detached from the seat by a linear movement before the rotation takes place. This unique and long life design significantly reduces valve wear and minimizes maintenance frequency. In addition, top entry design allows maintenance and visual inspection inside the valve without removing it from the pipeline.
Due to its linear operation, backseat is provided for the stem to prevent possible blowout and to allow packing replacement while the valve is under pressure at fully open position. For metal to metal seating designs, lapping technique is applied to Stellite seating surfaces to achieve a zero leakage characteristic.
FCA Ball valves come with a variety of end connections: Flanged type, as standard, comes with Raised Face (RF) according to ASME Class 150#, 300# and 600#, and with Ring-Type-Joint flanges (RTJ) for Class ratings of 900#, 1500# and 2500#. Buttwelded ends can also be supplied, with schedule according to customer specifications.
API / ASME
DN50/2'' До DN600/24''
|Нефтехимические заводы Нефть и газ
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