LN82W Series Bellows Globe Control Valve

LN81W / 82 series bellows single-seat control valve, based on LN81/82 series valve single-seat non pressure balance structure on the basis of increase the bellows seal structure, compression elastic stainless steel bellows in bearing parts connected to the valve stem in 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 SizeDN15 ~ DN300
Pressure RatingPN16/25/40/63/100;CL150(PN20)/300(PN50)/600(PN110)
Operateing Temperature-46℃~ 350℃
CharacteristicsEqual percentage, linear, quickly open
Rangeability30:1、50:1、 100:1
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.