The body bonnet joint for all class of Gate Valve is in Circular Round Shape. In Gate Valve from 150# Rating body & bonnet joint have male-female type joint with a gasket.Salient Features:Body & Bonnet made from high quality casting with liberal sections. The castings are precision machined for high performanceBi-Directional Shut-OffDie moulded Graphite (Grafoil) Packing Rings, controlled clearance between stem, gland and bonnet bushing for guaranteed low emissions and also suitable for higher temperature.Deep stuffing box is providing for tightness and maximum long packing life.Swinging Eye Bolts facilitate easy access to the stuffing box.Back seating feature facilitates repacking of the stuffing box on line with the valve in fully open position.Seat Ring Screwed in to the body are replaceable type. Seal welded type Seat Ring & Integral Seat cab also be offered on special request.Stellited Wedge (Gate), Seat Ring & Back Seat can also be offered on special request.Higher Pressure & Higher Size Valves are provided with Thrust Bearings and also with Gear drive arrangements.In built wear life for long duration of service.Design & Testing International Standard:Valve Design : API 600 / API 602 / API 603 / IS 780 / BS 14846Pressure Testing : API 598Face To Face : ANSI B 16.10Flange Drilling : ANSI B 16.5 / BS 10 Table / DIN / IS 6392Butt Weld End : ANSI B 16.25Socket Weld End : ANSI B 16.11Screwed End : ANSI B 1.20.1(BSP/NPT)Special Options:Extended Bonnet design for low temperature and cryogenic services.Flexible / Solid Wedge / Double Disc TypeGland Seal Design (Water Seal) With Lantern RingBolted Bonnet / Pressure Seal BonnetGear / Pneumatic Cylinder / Hydraulic Cylinder / Electrical Actuator OperatedLocking ArrangementWith NACE MR 0175Tailor Made Valve