软密封球阀 SOFT-SEATED VALVES(PRIMARY METAL, SECONDARY SOFT)
VALBART TRUNNION-MOUNTED
SOFT-SEATED VALVES (PRIMARY METAL, SECONDARY SOFT)
In valves designed for standard service, a resilient material is inserted into the metal seat holder to provide a
soft seating action in addition to the metal to metal seating between the ball and the seat rings.
AL
\ =
All sizes and pressure class.
WA
6” and larger - ASME class 150-600 only
METAL-SEATED VALVES
Valves designed for abrasive service or for operation in temperatures that prohibit the use of a resilient
material have seating action provided by the metal-to-metal contact between the ball and the seat rings.
Seating faces are hardfaced.
WW
10
