YFM valves are available in three bonnet designs. The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F304L/graphite, ring joint gasket are also available on request. The second design is the welded bonnet, with a threaded and seal welded joint. On request a full penetration strength welded joint is available. The third design is the pressure seal bonnet, with a threaded and pressure seal bonnet joint.

Design Feature:

* Full Port or Conventional Port
* Outside Screw and Yoke (OS & Y)
* Two piece self-aligning packing gland
* Bolted bonnet with spiral wound gasket, threaded and seal welded bonnet or threaded and pressure seal bonnet
* Integral backseat
* Socket weld Ends to ASME B16.11
* Screwed Ends (NPT) to ANSI/ASME B1.20.1