Detail Narration
ConstructionOut side Screw and yoke, Flanged end or Buttwelding, Ring joint facings available for higher classes
Flexible wedge, solid wedge, split wedge, double disc and parallel side are available
Threaded seat ring, seal welded seat ring or integral seat (SS valve Only) available
Self aligning two piece gland, Live-loading optional
Anti-frictional ball thrust bearing in yoke sleeve for higher sizes and classes
Locking arrangement and By-pass arrangement optional
Ends ConnectionScrewed end to BSP/BSPT/NPT, Socketweld, Flanged end, Buttweld end , Ring Type Joints (RTJ)
Pressure Rating150#, 300#, 600#, 800#,900#,1500#
OperatedHand wheel, gear, electric or pneumatic actuator available
Size Range15 mm to 600mm
Basic DesignAPI 600 / API 602 / BS 1414
TestingAPI 598
Flanged endASME B 16.50 
Buttwelding endASME B 16.25 
Face to Face DimensionsASME B 16.10
TRIM13%Cr. Steel / SS 304 / SS 316 / SS 304L / SS 316L / ALLOY 20