Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels seamlessly integrate pressure, flow, and directional control into a single, harmonious unit, guaranteeing unmatched performance and reliability. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for incorporation into high-end hydraulic systems, pivotal in top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under varying loads, providing unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation. Conversely, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in delivering exceptional energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control requirements.
| References |
size 2 |
size 3 |
size 5 |
| Number of Directional Valve bank |
1~12 |
1~12 |
1~10 |
| Port access type |
thread connection |
thread connection |
thread connection |
| Flow code |
3,6,10,16,25,40 |
3,6,10,16,25,40,63,80 |
16,25,40,63,80,120,160 |
| Max.flow(L/min) |
54 |
100 |
210 |
| Max.pressure(bar) |
420 |
420 |
420 |
| Control Method |
Pilot circuit pressure(bar) |
20~40 |
20~40 |
20~40 |
| Manual force(N) |
≥2.3Nm |
≥1.3Nm |
≥3Nm |
| Working Pressure(ºC) |
-40~80 |
-40~80 |
-40~80 |
| Weight |
Connection Block (kg) |
1.7 |
4 |
8 |
| Directional Valve bank (kg) |
1.9 |
4 |
8 |
| End Plate (kg) |
0.5 |
1.5 |
2.5 |
| Fix mode |
thread connection M8 |
thread connection M8 |
thread connection M10 |
Installation Instructions
(1) Essential Connection Block Codes
HLPSL: Constant Displacement Pump - The key to consistent and reliable performance, ensuring seamless operations.;
HLPSV: Variable Displacement Pump - Experience adaptability and flexibility at its finest with this innovative solution.;
(2) Connection Block Ports P & R Specifications - Unmatched precision and reliability you can trust::
2-G3/8; Compact and efficient, designed for streamlined operations.
3-G1/2; Robust and dependable, built to withstand demanding environments.;
4-G3/4; Advanced connectivity offering superior control for sophisticated systems.;
5, 55-G1; Delivering a superior flow rate ideal for high-demand applications, ensuring maximum efficiency.;
6-G1 1/4; Provides unmatched performance in the field, guaranteeing reliability and stability.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A dependable baseline, crafted to meet fundamental needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control, enhancing operational accuracy.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management to enhance overall performance.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions designed to meet your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency and advanced control for optimal performance:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, and unloads the pump when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered and pressurizes when unpowered;D/F - With pressure limiting valve for secondary pressure (F50) with specified pressure value; Equipped with advanced safety measures to ensure secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Our adjustable settings cater to diverse needs, offering options at 63, 120, 210, 280, 315, 350, and 400 bar. Choose NF for no pressure limiting valve (HLPSV only) when optimal pressure control is desired across various scenarios.
(7) Product Series Classification - Identifying excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Let each series be your tailored solution for every application.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Explore a wide range of options including the A ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ensuring perfect compatibility.
(9)Directional valve block inflow controller options: Tailor your system with 1, no inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for both inlet and outlet (perfect for N 3/3-way valve); 5, strengthened inflow controller; 8, fully pre-selectable.
(10) Valve core function symbols: Unleash possibilities with L, M, F, H, J, B, R, O, N.
(11) Output flow code for ports A & B: Customize your flow with maximum output options; choose from 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, up to 210 (L/min).
(12) Secondary pressure limitation options: Select N for no pressure limiting protection; C to limit pressure of actuator ports A & B simultaneously; A---B--- to limit them separately, measured in bar for precise control.
(13) Function ON/OFF and pressure outlet options: Choose N for no function ON/OFF and pressure outlet; X for C type pressure limitation; S/S1 for AB type pressure limitation. Go electrical with ON/OFF on side A or B for enhanced functionality.
(14) Operation modes: Customize your operation with A(1,2) for manual with or without handle; E for electric proportional control; EA(1,2) for combined electric and manual; D for electric switching value control; DA(1,2) for combined switching and manual; M for manual friction positioning; H for pure hydraulic control with aligned ports; F for perpendicular hydraulic control.
(15) Ancillary block port sizes: Achieve seamless integration with port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1.
(16) End plate options: Customize with E1 for standard end plate and external discharge; E2 for added port Y; E3 for magnetic ball valve pressure rise. In scenarios demanding safety, seal port T with E4, E5, or E6, allowing internal discharge and adaptable sealing.
E4, similar to E1, internal discharge of pilot oil, port T can be sealed; E5, similar to E2, internal discharge of pilot oil, port T can be sealed; E6, similar to E3, internal discharge of pilot oil, port T can be sealed;
(17) Control voltage and the length of anti-explosion type cable options: Select G12-12VDC for secure and reliable control voltage applications.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has consistently brightened the hydraulic industry with innovation that sets the standard and excellence that remains unmatched. As an esteemed subsidiary of the renowned China Baoan Group (stock code: 000009), our reputation as a distinguished national high-tech enterprise is well-earned. Our expertise encompasses the thorough research, development, manufacturing, and sales of elite hydraulic components. Being honored as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast commitment to technological innovation and superior quality. This unwavering dedication propels us as leaders and innovators in the hydraulic field.
Our flagship product, the load-sensitive proportional valve, stands as the ultimate embodiment of advanced hydraulic system control. Masterfully designed for construction machinery and heavy-duty equipment, this adaptable component is indispensable for critical applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic alliances with numerous leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our commitment to providing exceptional products, services, and solutions. Our mission is clear: to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence on the world stage.
Question:1. What about the lead time?
Answer:Our production lead time is typically around one month after receiving payment. During this period, we engage in comprehensive preparations and enforce rigorous quality control protocols. We ensure that each aspect is meticulously managed for flawless product delivery.
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Answer: Begin by detailing your specific requirements or intended applications. We will craft a personalized quote tailored to your needs or our expert suggestions. After confirming the drawings and securing a deposit, we formalize the order and initiate production, ensuring all specifications are precisely fulfilled for a seamless, custom-crafted solution.drawings,and place a deposit to formalize the order. Finally, we will arrange production, ensuring that every specification is met to perfection, delivering a seamless and tailored solution.
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