High performance valves and seats are available from DL with the following features:

   1.Forged alloy steel AISI 4119 construction
   2.Heavy-duty valve design
   3.Deep carburized wear surfaces
   4.Heavy-duty durable retainer threads
   5.Precise machined to API standards
   6.Taper post-heat treat machined to remove warpage

Various sizes are available to fit all major mud pumps. An extensive range of valves and seats are offered,such as Premium Cross-Arms Valve and Seat,Three-arm Valve and Seat,Three-wing Valve,Four-wing Valve,Full-open Seat,Long-life Bonded Valve with Urethane.Wide choices are available for requirements not met by hardened or stainless steel valves and elastomer- valve seats.