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. Additionally, 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 - Unlock the secrets of optimal system integration:
HLPSL: Constant Displacement Pump - A cornerstone for consistent and unwavering performance, ensuring the highest operational standards.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle, perfectly tailored for dynamic environments.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust, engineered for excellence::
2-G3/8; Compact in design, yet highly efficient, crafted to meet the demands of modern engineering.
3-G1/2; Renowned for reliability and robustness, a testament to superior craftsmanship.;
4-G3/4; Advanced connectivity for superior performance, driving innovation and productivity.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics, the gold standard of hydraulic systems.;
6-G1 1/4; Unmatched in performance and reliability, embodying the apex of technological advancement.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights, redefining industry standards::
C,Standard Type - A dependable baseline for all applications, ensuring reliability and stability.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control, an embodiment of cutting-edge technology.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management, delivering exceptional performance.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs, crafted for precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your precise requirements, offering flexibility and control.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness, pioneering operational excellence:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump when powered, unloads pump when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, pressurizes when unpowered; D./F. . , With pressure limiting valve for secondary pressure (F50) with specified pressure value; Pioneering advanced safety measures, leading the charge in system security.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the power of precision with settings available at 63, 120, 210, 280, 315, 350, 400 bar. For applications requiring maximum flexibility, choose /NF: No pressure limiting valve (HLPSV only). This ensures superior pressure control and unwavering safety for your operations.
(7) Product Series Classification - Identifying excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously tailored to meet the specific needs of every application, ensuring peak performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Experience versatility with A, ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve;
(9)Directional valve block inflow controller options: Embrace flexibility with options like 1, without inflow controller; 2, the reliable standard inflow controller; 4, innovative 3-way flow controllers for both inlet and outlet, ideal for N 3/3-way valves; 5, the enhanced strength of a strengthened inflow controller; 8, pre-selectable for future-proofing your valve needs.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; Distinct function symbols crafted for specialized tasks.
(11) Output flow code for ports A & B: Available maximum output flows: Choose from a broad spectrum of flow rates, including 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min) to perfectly match your specific application needs.
(12) Secondary pressure limitation options: Versatility at its finest with options like N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, separate pressure limitation for actuator ports A & B, ensuring tailored pressure management, unit (bar);
(13) Function ON/OFF and pressure outlet options: Unmatched precision with 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; designed to elevate operational control.
(14) Operation modes: A(1,2), manual operation with long handle (1=without handle, 2=with short handle); E, electric proportional control; EA(1,2), electric proportional control and manual operation (1=without handle, 2=with short handle); D, electric switching value control; DA(1,2), electric switching value control and manual operation (1=without handle, 2=with short handle); M, manual friction positioning with long handle; H, pure hydraulic control (two pilot oil ports align with oil ports A and B); F, pure hydraulic control (two pilot oil ports are perpendicular to oil ports A and B and outward respectively); Offering a spectrum of sophisticated operation modes to align with your specific needs.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Providing a variety of block port sizes to suit every requirement.
(16) End plate options: E1, standard end plate, external discharge of pilot oil, connecting oil return control port T externally; E2, similar to E1, external discharge of pilot oil, port Y is additionally attached; E3, external discharge of pilot oil, a 2-position 3-way magnetic ball valve is mounted; in power supply scenarios, the system pressure rises to the safety valve pressure; These end plate options offer strategic solutions for safe and efficient hydraulic system operation.
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; Ensure a seamless and secure hydraulic experience with these well-engineered end plate choices.
(17) Control voltage and the length of anti-explosion type cable options: G12-12VDC; Offering robust voltage control and safety features for demanding environments.This compact yet robust G24 model is engineered to effortlessly meet your precision flow control needs. Its advanced design ensures reliability and performance in demanding environments.Our state-of-the-art technology comes with various configurations to tailor fit your specific requirements, providing unmatched flexibility.Power versatility at its best: 24VDC options include G24Ex-3m-24VDC, G12Ex-3m-12VDC, and G24MA-3m-24VDC, delivering seamless integration with your mining machinery.Experience exceptional efficiency with our G12 model, crafted to optimize your system's performance and ensure smooth operations.Enhance your hydraulic systems with the powerful bb621436, designed to maximize productivity and minimize downtime, offering unbeatable value.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Question:1. What about the lead time?
Answer:The lead time for production is typically around one month following receipt of payment. This period allows us to undertake meticulous preparation and enforce stringent quality control measures. Every detail is taken care of to ensure your products are delivered flawlessly.
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Answer: We offer an exceptionally low minimum order quantity, allowing you the freedom to order even a single piece for sample checking. This flexibility ensures that your specific needs are met perfectly, making it easier to start your projects seamlessly.
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Answer: Absolutely, it is possible. Simply inform us formally before production begins and confirm the design based on the sample we provide. This ensures that your branding is represented with utmost precision and quality.
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