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 - A foundation of stability and unwavering reliability in hydraulic operations.;
HLPSV: Variable Displacement Pump - Exemplifying ultimate adaptability and efficiency.;
(2) Connection Block Ports P & R Specifications - Delivering unmatched precision and trustworthiness::
2-G3/8; Compact yet boasts exceptional efficiency for modern hydraulic demands.
3-G1/2; Celebrated for its reliability and structural robustness.;
4-G3/4; Provides advanced connectivity, enhancing superior system performance.;
5, 55-G1; Guarantees exceptional flow rates that assure optimal fluid dynamics.;
6-G1 1/4; Distinguished by unmatched performance and unwavering reliability.;
(3) Additional Components and Specifications - Propelling system capabilities to unprecedented heights::
C,Standard Type - A trustworthy baseline for a wide array of applications.;
G,Throttle Valve (For HLPSL only) - Delivers remarkable precision control for complex needs.;
H,Fixed Differential Overflow Valve for Elevated Circulating Pressure (~14 bar, HLPSL) - Expertly optimized flow management.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure solutions tailored for your specific challenges:0 - Without pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored precision for your exact specifications.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and operational effectiveness:C - Without magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump when active, unloads when inactive; D - Normally closed magnetic ball valve, unloads pump when active, pressurizes when inactive; D./F. . , Equipped with a pressure limiting valve for secondary pressure (F50) with designated pressure value; Leading-edge in advanced safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience a range of settings from 63 to 400 bar, including 120, 210, 280, 315, and 350 bar. For HLPSV, enjoy the flexibility of a setting with /NF: No pressure limiting valve. This ensures optimal pressure control and safety at every step.
(7) Product Series Classification - Identifying excellence: Unlock superior performance with our meticulously categorized series:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is expertly tailored to suit a diverse range of applications, ensuring compatibility and efficiency.
(8)Thread size of directional spool valve ports A & B: Discover our range of thread sizes designed for precision.2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Choose from A, ancillary block, or an intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve to meet your specific needs.
(9)Directional valve block inflow controller options: Tailor your hydraulic experience with these choices: 1, without 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, pre-selectable for custom solutions.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; Each symbol represents a unique function, allowing for precise customization to match specific operational needs.
(11) Output flow code for ports A & B: Select from available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); Enabling you to achieve the required flow rate for your specific application.
(12) Secondary pressure limitation options: Choose N for no pressure limiting protection or C to simultaneously limit pressure at actuator ports A & B. For specialized needs, select A---B--- to limit pressure at actuator ports A & B separately, unit (bar);
(13) Function ON/OFF and pressure outlet options: N, without function ON/OFF and pressure outlet; X C type pressure limitation; S/S1 AB type pressure limitation; Activate electrical ON/OFF on side A or B with options A or B respectively, ensuring control and adaptability.
(14) Operation modes: A(1,2), manual operation with options for long or short handle; E, electric proportional control; EA(1,2), combining electric proportional control with manual operation; D, electric switching value control; DA(1,2), merging electric switching value control with manual operation. M, manual friction positioning with long handle; H, pure hydraulic control with pilot oil ports aligned to A and B; F, pure hydraulic control with pilot oil ports perpendicular to A and B.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Choose the perfect port size to meet your application's unique demands.
(16) End plate options: E1, standard end plate, external discharge of pilot oil, with external oil return control port T; E2, similar to E1 with additional port Y; E3, features a 2-position 3-way magnetic ball valve for system pressure control.
E4, resembling E1 for internal pilot oil discharge with sealable port T; E5, akin to E2, also for internal discharge; E6, comparable to E3, ensuring internal discharge with sealable port T for effective system management.
(17) Control voltage and the length of anti-explosion type cable options: G12-12VDC; Providing safe and reliable power supply configurations for hazardous environments.G24-Enjoy the versatility of our options: 24VDC, G24Ex-3m-24VDC, G12Ex-3m-12VDC, G24MA-3m-24VDC, and G. Each tailored to meet specific needs with precision and efficiency.12bb621436
Established in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a proud member of the revered China Baoan Group (stock code: 000009), we are recognized as a national high-tech leader, committed to advancing the industry with our specialized expertise. Our focus is on the precise research, development, manufacturing, and sales of high-quality hydraulic components. Acknowledged as a national 'specialized, refined, and innovative' small giant enterprise, we exemplify relentless dedication to technological progress and superior quality, placing us at the forefront of our industry.
Our premier product, the load-sensitive proportional valve, represents the zenith of sophisticated hydraulic system control. This expertly designed component is essential for construction machinery and heavy-duty equipment, proving indispensable in critical fields such as emergency rescue, tunnel engineering, mining, and municipal service vehicles. We are proud of our strategic partnerships with leading domestic manufacturers, significantly contributing to the localization of essential hydraulic components for high-end equipment. Driven by our core philosophy - 'serving customers with technology, impressing with our attitude, retaining with quality' - we are committed to delivering outstanding products, services, and solutions. Our ambition is to become a globally trusted supplier of top-tier hydraulic components, setting new standards 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.
Question:2. Do you have any MOQ limit for LED light orders?
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.
Question:3. How to proceed with an order for LED lights?
Answer: Start by informing us of your detailed requirements or applications. We will then provide you with a customized quote based on your needs or our expert recommendations. Once you confirm the drawings and place a deposit, we will formalize the order and arrange production. Every specification will be meticulously met, ensuring a seamless and tailored 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.
Question:4. Is it OK to print my logo on the product?
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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