LN83W Series Bellows Globe Control Valve

LN83W / 85 w / 87 w series bellows single-seat control valve, based on LN83/85/87 series valve single-seat based on pressure balance structure of bellows seal structure, the pressure of the elastic in bearing parts and stainless steel bellows valve stem connected together, and packing of double seal, eliminate medium leakage hidden trouble. Suitable for differential pressure is highly toxic, flammable, explosive, volatile and the adjustment of the rare and precious metal medium


Nominal SizeDN40 ~ DN300
Pressure RatingPN16/25/40/63/100;CL150(PN20)/300(PN50)/600(PN110)
Operateing Temperature-46℃~ 350℃
CharacteristicsEqual percentage, linear, quickly open
Seat Leakage ClassANSI B16.104: IV、V、VI
Body MaterialWCB/WCC/LCB/LCC;WC6/WC9;CF8/CF8M;4A/5A etc.
Trim Material630/316/316+ST/316nitriding/316+Ni60/316+WC etc.
Seal MaterialPTFE+ graphite v-shaped packing, flexible graphite ring packing, graphite +PTFE braided packing etc.