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 singular, 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 designed 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. Additionally, they allow 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. Although 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)Fundamental Code of Connection Block: A Key to Compatibility
HLPSL: Constant Displacement Pump - Ensures Consistent Efficiency;
HLPSV: Variable Displacement Pump - Adaptive and Economical;
(2) Port P & R Specifications of the Connection Block: Versatile Options:
2-G3/8;
3-G1/2;
4-G3/4;
5, 55-G1;
6-G1 1/4;
(3)Additional Component Details: Enhance Your System:
C,Standard Type: Reliable and Efficient;
G,Throttle Valve (Exclusively for HLPSL): Precision Control;
H,Fixed Differential Overflow Valve: Optimized Circulating Pressure (~14 bar, HLPSL);
(4)Pilot Oil Circuit Pressure: Tailored to Your Needs0 without pressure reducing valve; 1 with pressure reducing valve (20 bar); 2 with pressure reducing valve (40 bar);
(5)2/2-way Magnetic Ball Valve for System Unloading: Choose Your Configuration../F. Pressure Limiting Valve as Secondary Pressure (F50): Specify Your Pressure Value
(6)Tool Adjustable Pressure Limiting Valve: Flexible Pressure Settings from 63 to 400 bar; /NF: without valve (HLPSV only);
(7)Product Series: Discover Our Versatile Range;-2 series; -3 series; -5 series;
(8)Thread size options for the directional spool valve ports A & B are as follows: 2-G,3/8; 3-G1/2; 4-G3/4; 5-G1. Additionally, an ancillary block or intermediate transition block ZPL 5S(V)/H can be utilized for the hydraulic control shut-off valve.
(9)Directional valve block inflow controller options include: 1, no inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for inlet and outlet, ideal for N 3/3-way valve; 5, strengthened inflow controller; 8, pre-selectable for customized control.
(10) The valve core function symbols available are: L, M, F, H, J, B, R, O, N.
(11) Select the output flow code for ports A & B, with choices ranging from maximum output flows of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, to 210 L/min.
(12) Options for secondary pressure limitation include: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, separate pressure limitation for actuator ports A & B, measured in unit bar.
(13) Function ON/OFF and pressure outlet options: N, no function ON/OFF and pressure outlet; X, C type pressure limitation; S/S1, AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B.
(14) The operation manner can be selected from: A(1,2), manual operation with a long handle (1=without handle, 2=with short handle); E, electric proportional control; EA(1,2), electric proportional control with manual operation (1=without handle, 2=with short handle); D, electric switching value control; DA(1,2), electric switching value control with manual operation (1=without handle, 2=with short handle); M, manual friction positioning with long handle; H, pure hydraulic control with two pilot oil ports aligned with oil ports A and B; F, pure hydraulic control with two pilot oil ports perpendicular to oil ports A and B outwardly.
(15) Ancillary block port sizes include: /2 for G3/8; /3 for G1/2; /4 for G3/4; /5 for G1.
(16) End plate options: E1, standard end plate with external discharge of pilot oil, control port T connects externally; E2, similar to E1 but with port Y additionally attached; E3, includes a 2-position 3-way magnetic ball valve for enhanced scenarios, raising system pressure to safety valve levels.
E4 is similar to E1 with internal pilot oil discharge, port T can be sealed; E5, similar to E2 with internal discharge, port T sealable; E6, similar to E3 with internal discharge, port T sealable.
(17) Control voltage and cable length for anti-explosion types: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12MA-3m-12VDC (anti-explosion type, with guide line lengths available in 3m, 5m, 10m, etc.)
Founded in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has swiftly risen to prominence as a trailblazer in the hydraulic industry, renowned for both innovation and exceptional quality. As a proud member of the China Baoan Group (stock code: 000009), we are distinguished as a national high-tech enterprise. Our expertise spans the research, development, manufacturing, and sales of top-tier hydraulic components. Our recognition as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological progress and unparalleled quality, solidifying our leadership in the industry.
Introducing our flagship innovation: the load-sensitive proportional valve, a masterpiece in advanced hydraulic system control. Crafted with precision for construction machinery and heavy-duty applications, this vital component excels in crucial sectors such as emergency rescue, tunnel engineering, mining, and municipal service vehicles. We take pride in our strategic alliances with leading domestic manufacturers, which have been instrumental in the localization of core hydraulic components for high-end mechanical equipment. Guided by our core philosophy- 'serving customers with technology, impressing with attitude, and retaining with quality'- we remain unwavering in our dedication to providing extraordinary products, services, and solutions. Our goal is to become a globally trusted provider of premium hydraulic components, continually setting new benchmarks of excellence.
Question:1. What about the lead time?
Answer:The lead time for production is typically one month following receipt of payment. This timeframe allows us to ensure meticulous preparation and stringent quality control for optimal results, ensuring your products are delivered flawlessly.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an exceptionally low minimum order quantity. Even a single piece can be ordered for sample checking to meet your specific needs, providing ultimate flexibility for your projects.
Question:3. How to proceed with an order for LED lights?
Answer: First, inform us of your detailed requirements or application. Second, we will provide a customized quote based on your needs or our expert recommendations. Third, you confirm thedrawings,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.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, it is possible. Please inform us formally before production begins, and confirm the design based on the sample we provide. This ensures your branding is perfectly represented with precision and quality.
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