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 - Experience consistent, reliable performance that you can count on every time.;
HLPSV: Variable Displacement Pump - Experience ultimate adaptability and flexibility, crafted to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Unmatched precision and reliability, ensuring seamless operations::
2-G3/8; Sleek, compact, and efficient for streamlined and hassle-free operations.
3-G1/2; Built for robustness and dependability, standing the test of time.;
4-G3/4; Offering advanced connectivity to ensure superior control over operations.;
5, 55-G1; Designed to offer an exceptional flow rate for the most demanding applications.;
6-G1 1/4; Delivering unmatched performance and reliability in the field.;
(3) Additional Components and Specifications - Elevate your system capabilities with these enhancements::
C,Standard Type - A reliable baseline designed to meet your essential needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision control for optimum performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimize flow management to boost performance.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control for various applications, tailored to meet your distinct needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Designed to provide tailored solutions for your specific needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Achieve streamlined efficiency and control with superior design:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump when powered, and unloads pump when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, and pressurizes when unpowered;D/F - Featuring a pressure limiting valve for secondary pressure (F50) with a specified pressure value; engineered to ensure advanced safety measures for secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience precise pressure adjustments with settings finely tuned at 63, 120, 210, 280, 315, 350, and 400 bar. Alternatively, choose /NF: No pressure limiting valve (HLPSV only) to meet your unique system needs. This ensures unrivaled pressure control tailored for diverse scenarios.
(7) Product Series Classification - Unveiling a spectrum of excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series meticulously crafted to suit every application, ensuring unparalleled performance.
(8)Thread size of directional spool valve ports A & B: Versatile options include 2-G3/8; 3-G1/2; 4-G3/4; 5-G1, complemented by an ancillary block or an intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve for seamless integration.2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A seamless addition with ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve.
(9)Directional valve block inflow controller options: Tailor your control with 1, without inflow controller; 2, standard inflow controller; 4, innovative 3-way flow controllers for both inlet and outlet (perfect for N 3/3-way valve); 5, enhanced inflow controller; 8, pre-selectable for customizable flow management.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; Distinct symbols for tailored performance.
(11) Output flow code for ports A & B: Efficiently manage flows with maximum outputs available at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); expanding flexibility and capability.
(12) Secondary pressure limitation options: Choose N, no pressure limiting protection; C, for simultaneous pressure limitation of actuator ports A & B; A---B---, for individual pressure control of actuator ports A & B, unit (bar); providing safety assurance.
(13) Function ON/OFF and pressure outlet options: Customizable options include N, without 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, enhancing system adaptability.
(14) Operation modes: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control with manual operation (handle variations available); D, electric switching value control; DA(1,2), with manual operation option; M, manual friction positioning with long handle; H, pure hydraulic control with two pilot oil ports aligning with oil ports A and B; F, with ports perpendicular and outward, offering supreme flexibility in control.
(15) Ancillary block port sizes: Choose from sizes /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; each crafted for seamless integration.
(16) End plate options: E1, standard with external discharge of pilot oil, T port connects externally; E2, similar with additional Y port; E3, includes a 2-position 3-way magnetic ball valve for power supply scenarios, system pressure aligns with safety valve settings;
E4, akin to E1 with internal pilot oil discharge, T port sealable; E5 and E6 follow suit, offering tailored internal discharge solutions.
(17) Control voltage and the length of anti-explosion type cable options: G12-12VDC; Secure your systems with reliable voltage and cable length solutions.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 been a radiant force in the hydraulic industry, dazzling with pioneering innovations and unmatched excellence. As a proud subsidiary of the illustrious China Baoan Group (stock code: 000009), we are recognized as a prominent national high-tech enterprise. Our specialization in the thorough research, innovative development, precise manufacturing, and strategic sales of top-tier hydraulic components is unparalleled. Our prestigious status as a national 'specialized, refined, and innovative' small giant enterprise is a testament to our steadfast dedication to technological progression and superior quality. This unwavering commitment elevates us to the forefront of our industry.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this indispensable component is crucial for demanding applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with several leading domestic manufacturers, playing a key role in localizing 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 to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence across the world.
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Answer:The lead time for production is typically around one month following receipt of payment. This timeframe allows us to conduct meticulous preparation and enforce stringent quality control measures. Every detail is attended to with precision, ensuring your products are delivered flawlessly and on schedule.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We provide an exceptionally low minimum order quantity, affording you the flexibility to order even a single piece for sample inspection. This adaptability guarantees that your specific requirements are perfectly addressed, facilitating a seamless initiation of your projects.
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Answer: Absolutely, it is feasible. Simply inform us formally before production commences and confirm the design based on the sample we provide. This process ensures that your branding is represented with the utmost precision and quality.
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