Features and benefits
Diantai bolted bonnet gate valves are ideal for high pressure steam, catalytic reformers, hydrocrackers and other tough services.
● Stronger, leakproof bolted body bonnet joint ensures joint tightness with a higher bolting torque.
● Wedge guiding minimizes seat rubbing and scuffing resulting in long cycle life.
● Designed to ASME B16.34.
● Body made of superior strength forgings and optional cast steel.
● Diantai stem seal offers tight seal with little to no maintenance over long periods of time.
● Optional live-loading of packing and leakoff.
● Non-rotating stem.
● Hardfaced seating faces resist erosion.
● Available with provision for seal weld.
● Other sizes and pressure classes available. Contact the company for specifications.
● Size range(s)
● NPS 1/2 - 24
(DN 50 - 600)
● Pressure rating
● ASME Class
900 - 2500
● Standard connections
● Socket weld, Butt weld