Key Features of Bolted Bonnet Cast Steel Gate Valve with Anti-Frictional Ball Bearings

• Face to Face and End to End dimensions conform to ASME B 16.10 / ISO 5752 / BS 2080 / DIN
• End flange dimensions conform to ASME B 16.5 / ISO 7005-1 / API 605 / BS 3293 / DIN
• Butt weld end dimensions conform to ASME B 16.2
• The stem nut design allows for the removal of the hand-wheel while keeping the Stem and Gate in a fixed position.
• Anti-frictional Ball bearings are provided in higher sizes and classes.
• The strength of Stem to Gate connection is stronger than the strength of the Stem at the root of the operating thread
• Outside screw and yoke construction
• All the valves provided with backseat arrangement
• Bi-directional shut-off
• The gland is of self aligning two piece type
• Deep stuffing box
• Body ports are streamlined, permitting unobstructed flow, reduces turbulence, results in lower pressure drop & lower erosion
• The Seat-rings are cylindrical bottom seated type having ample cross section for strength is provided with welded in and threaded Seat-rings will be supplied on request. In case of SS valves the Seat-rings are integral to Body
• The Body to Bonnet joint is flat in ISO PN 20 / ASME 150# valves, a male and female joint is used in PN 50 / 300# & PN 110 / 600# and ring joint is used in higher classes