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Bolted Bonnet, outside Screw and yoke construction.
Body/bonnet wall thickness as per API specifications.
Wedge design solid with ribs enabling guiding of wedge
throughout the travel
Fully guided wedge ensures no chatter on seat face
during closure and eliminates undue
side thrust on stem
Stellited seat rings eliminate galling. Stellited seats
withstand on line erosion and corrosion thereby
increasing valve life.
Stem diameter as per API specifications. Stem of 13% Cr.
Steel heat treated and ground to fine finish
to avoid damage to locking rings, thus ensuring longer valve life.
Stem-wedge connection meets API pull test. The strength
of stem-wedge connection is greater than
strength of
stem at the root of the operating threads.
Individually pre-stressed gland packing rings ensures
longer packing life and effective gland sealing.
Body/Bonnet gasket is fully encapsulated thereby
eliminating chances of direct line pressure acting on
the same.
This increases gasket life and eliminates chances of
body/bonnet leakage.
Testing as per API 598 using kerosene. Hence, no pitting
of stem during shelf life.
End preparation socket-weld type as per ANSI B16.11
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