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LN87 series sleeve regulating valve
The LN87 series sleeve regulating valve is one of the three basic products of the LN8 series pressure balance single seat control valve. Sleeve guided
Product details
LN87 series sleeve regulating valve
The LN87 series is one of the three basic products of the LN8 series pressure balanced single seat control valve. Sleeve guided, pressure balanced single seat control valve. Adopting a separated sleeve structure and high-performance metal piston sealing ring. It has the characteristics of good dynamic stability, high control accuracy, large allowable pressure difference, small operating force, large flow capacity, and wider applicable temperature range. Suitable for fluid control under harsh working conditions.
Main Features
performance metrics
| Main models |
| main components |
| Good dynamic stability, high control accuracy, large allowable pressure difference, small operating force, large flow capacity, wider applicable temperature range |
| Nominal diameter: DN40~DN400 |
| Nominal pressure: PN16/25/40/63/100; CL150(PN20)/300(PN50)/600(PN110) |
| Operating temperature: -196 ℃~593 ℃ |
| Traffic characteristics: equal percentage, linear, fast opening |
| Adjustable ratio: 50:1 |
| Leakage level: ANSI B16.104 IV, V, VI |
| Valve body material: WCB/WCC/LCB/LCC; WC6/WC9; CF8/CF8M; 4A/5A, etc | Valve internal material: 630/316/316+ST/316 nitriding/316+Ni60/316+WC, etc |
| Packing: PTFE+graphite V-shaped packing, flexible graphite annular packing, graphite+PTFE braided packing, etc | LN8700 |
| Sleeve guided control valve (piston ring seal) | LN8710 |
| Porous sleeve guided control valve (piston ring seal) | LN8720 |
| Low noise sleeve guided control valve (piston ring seal) | LN8750 |
Double layer sleeve guided control valve (piston ring seal)
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