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LM87 series high-pressure regulating valve
LM87 series high-pressure regulating valve LM87 series is one of the two basic products of LM8 series high-pressure balanced single seat control valve
Product details
LM87 series high-pressure regulating valve
The LM87 series is one of the two basic products of the LM8 series high-pressure balanced single seat control valve. It features a large area guide sleeve and a pressure balanced high-pressure single seat control valve. Adopting a separated sleeve structure and sealed with high-performance metal sealing rings. It has the characteristics of good dynamic stability under high temperature and high pressure, high control accuracy, large allowable pressure difference, low operating force, and large flow capacity. Suitable for fluid control under harsh working conditions.
main features
performance index
| main models | Good dynamic stability, high control accuracy, large allowable pressure difference, small operating force, and large flow capacity |
| Nominal Diameter | DN40 ~ DN300 |
| nominal pressure | PN/160/250/CL900(PN150)/1500(PN260)/2500(PN420) |
| Usage temperature | -196℃~ 593℃ |
| Traffic characteristics | Equal percentage, linear, fast opening |
| rangeability | 50:1 |
| Leakage level | ANSI B16.104 Class IV, V, VI |
| body material | WCB/WCC/LCB/LCC; WC6/WC9; CF8/CF8M; 4A/5A, etc |
| Material of valve internals | 630/316/316+ST/316 nitriding/316+Ni60/316+WC, etc |
| filler | Flexible graphite ring packing, graphite+PTFE braided packing, etc |
| LM8700 | Sleeve guided high-pressure control valve (piston ring seal) |
| LM8710 | Porous high-pressure control valve (piston ring seal) |
| LM8750 | Multi stage pressure reducing and high-pressure control valve (piston ring seal) |
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