These valves are designs and manufactured with a full bore port rising stem os y type with floating seats.
Through conduit double expanding gate valve.
150 1500.
Bel valves through conduit expanding gate valve enables double block and bleed dbb functionality to be achieved within one single valve assembly as opposed to the two conventional slab gates that would otherwise be required.
Internal pressure relieving through self relieving seats secondary sealant injection at seats and stems.
Through conduit expanding gate valve the calvary c1 ex expanding gate valve is designed for critical service in the pipeline oil natural gas wellhead applications along with corrosive or erosive services throughout the energy industry in ansi 150 to 1500 class operating pressures.
Thru conduit slab expanding gate valves class.
This type of valve includes in itself the features of a through conduit service and of a standard gate valve with a parallel seating surfaces.
Vatac designs and manufactures a broad line of through conduit slab gate valves and double expanding gate valves to satisfy the long distance transportation.
The gate is attached and driven by thestem and a centralizer helps in retaining the gate segment assembly until sealing through expansion is required positive sealing is achieved in both high and low pressure.
The through conduit service implies the continuity of fluid flow conduit excluding any dirt accumulation in the body cavity.
Brochure wkm pow r seal gate valves high quality through conduit expanding gate valves engineered for performance in critical isolation applications where a tight mechanical seal that is normally unaffected by pressure variations and vibrations is needed.
The through conduit double expanding gate valve comprises of a two piece wedged shape assembly consisting of a gate and a segment.
Dbv double ball valve 03 1 8 7 75 h bar stock 02 a352 lcc 91 tantalum 11 cr13 hf.
Valvesgate expanding through conduit gate valves 610 917 952 953 928 05 the driving mechanism of the gate is designed to guarantee full bi directional performance of the valve.
This video explains the principle of operation for orion s expanding gate valve.