Leslie Three Way Control Valves

Leslie Class GTW plug throttling, three-way globe valves are designed for mixing or diverting clean, dirty, viscous and corrosive liquids; high and low pressure steam; and clean, dirty and corrosive gases.



Seat, plug and stem material is 316 stainless steel. Shutoff is dependent on installed service requirements. Class II, IV or V shutoff is available on either or both of the two inner valve ports.



Bonnet options include the standard bolted configuration; an extension bonnet for extreme temperatures; a lube/ vented bonnet for purge, leak-off or lubricator connections; bellows bonnets for zero exterior leakage; and oversized bonnets when required.



A variety of packing and gasket options are offered to meet the requirements of a range of process conditions. Packing options include PTFE V-Ring, PTFE shredded, high temperature carbon graphite, PTFE aramid, graphite aramid and high temperature Inconel glass. Choices for gaskets include PTFE, high temperature carbon graphite and nitrile rubber bonded non-asbestos.



Cage Throttling Valves

The Leslie Class DOT cage throttling, 3-Way control valves provide easy maintenance and increase valve stability and trim life. Spring loaded Teflon chevron stem packing eliminates the need for periodic adjustment. The DOT features a one-piece body eliminating the conventional tail piece and extra gasketed joint.



Common applications include the circulation of water, oil, sea water, or other liquids in heating/cooling systems where there is a heat exchanger bypass control. They can also be used in blending systems and on/off selector sys