The whole switch is frictionless
High cycle thrust bearings
Elastomeric metal seals
STELLITE hard-faced valve seat
Enhanced flexible graphite bearing protection ring
Intrinsic fire safety design
Externally blocked anti-blowout stem
Two-way sealing
Nominal diameter: 2"~120" (DN50~DN3000)
Pressure Rating: Class150~600(PN10~PN100)
Connection form: clamp type, oug type, double flange type, butt welding type
Body material: carbon steel, stainless steel, alloy steel, duplex steel,
copper-nickel alloy, etc