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LN85W series bellows regulating valve
LN85W series bellows regulating valve LN85W series bellows single seat control valve, based on the LN85 series control valve single seat pressure bala
Product details
LN85W series bellows regulating valve
The LN85W series bellows single seat control valve is based on the LN85 series control valve single seat pressure balance structure and adds a bellows sealing structure. The pressure resistant elastic stainless steel bellows is placed inside the support component and connected to the valve stem, forming a double seal with the packing to eliminate the hidden danger of medium leakage. Suitable for regulating highly toxic, flammable, explosive, volatile, and rare precious metal media with small pressure differentials.
Main Features
performance metrics
| Main models | Double sealing eliminates the leakage hazards of highly toxic, flammable, explosive, volatile, and rare precious metal media. |
| Nominal Diameter | DN40 ~ DN300 |
| Nominal Pressure | PN16/25/40/63/100; CL150(PN20)/300(PN50)/600(PN110) |
| Operating temperature | -46℃~ 350℃ |
| flow characteristics | Equal percentage, linear, fast opening |
| Adjustable ratio | 50:1 |
| leakage level | ANSI B16.104 Class IV, V, VI |
| Valve body material | WCB/WCC/LCB/LCC; WC6/WC9; CF8/CF8M; 4A/5A等 |
| Material of valve internals | 630/316/316+ST/316 nitriding/316+Ni60/316+WC, etc |
| filler | PTFE+graphite V-shaped packing, flexible graphite annular packing, graphite+PTFE braided packing, etc |
| LN8500W | Sleeve guided control valve (balance ring seal) (bellows) |
| LN8510W | Porous sleeve guided control valve (balance ring seal) (bellows) |
| LN8520W | Low noise sleeve guided control valve (balance ring seal) (bellows) |
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