We are offering pressure seal valves.Outside screw and yoke constructionflanged end or buttwelding endvalves provided with back seating arrangementsolid, flexible, split wedge, double disc and parallel slide are available.Extended bonnet provided for low temperature and cryogenic services (cold box and non-cold box applications) to conform to requirement of bs 6364.Specially designed die formed graphite packings, controlled clearances between stem, gland and bonnet bushing for guaranteed low emissions meet 100 ppm maximum fugitive emission levels.Renewable, seal welded seat ring or integral seat ring (cast s.s. Only) available.Deep stuffing box - with lantern ring optionalself aligning two piece glandanti-friction ball thrust bearings in yoke sleeve for higher sizes and classeslocking arrangement optionalbi-directional shut off