Extended body bellows seal gate valves

Overview

Category: Gate, globe, and check valves
Product line: API 602 small forged valves


  • Size range(s)
    NPS 1/2 - 2 (DN 15 - 50)
    Pressure rating
    ASME Classes
    800 - 1500
    Standard connections
    Threaded, Socket weld

Features and benefits

● Long cycle life bellows (3000 cycles): Gr. 321 (stainless) for Class 800, Gr. 321 or Inconel for Class 1500, and Hastelloy C for chlorine service. Optional materials available on request. Designed and qualification-tested for high pressure/temperature service.
● Bellows monitoring port (optional): A plug can be connected with the space above the bellows to monitor performance.
● Two secondary stem seals: a) Backseat in open position; b) Graphite packing.
● Superior seating faces: Seats hardfaced with CoCr alloy and wedge is solid CoCr alloy. 

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