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 - The Foundation of System Integrity
HLPSL: Constant Displacement Pump - A cornerstone for consistent and unwavering performance, ensuring continuous operation with reliability.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle, offering flexibility to meet varying operational demands.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust, designed to deliver unparalleled accuracy::
2-G3/8; Compact in design, yet highly efficient, offering optimized performance in a small footprint.
3-G1/2; Renowned for reliability and robustness, ensuring a steadfast operation under demanding conditions.;
4-G3/4; Advanced connectivity for superior performance, enhancing the system's operability and efficiency.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics, tailored for high-efficiency fluid management.;
6-G1 1/4; Unmatched in performance and reliability, delivering excellence in fluid control and management.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights, ensuring top-tier performance::
C,Standard Type - A dependable baseline for all applications, offering a foundation of trust and reliability.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control, delivering smooth and accurate flow regulation.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management, ensuring robust system pressure control.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs, offering flexibility and precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your precise requirements, ensuring optimal system performance.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness, designed for advanced system management: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, safeguarding the system's operational integrity.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience precise pressure customization with settings ranging from 63 to 400 bar. Choose /NF for configurations without a pressure-limiting valve (HLPSV only). This guarantees you the pinnacle of pressure control and safety.
(7) Product Series Classification - Identifying excellence with unparalleled precision:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to suit every unique application.
(8)Thread size of directional spool valve ports A & B: Versatile options include2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A, ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve allows for seamless integration and adaptability;
(9)Directional valve block inflow controller options: Comprehensive choices including 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers ideal for both inlet and outlet (perfect for N 3/3-way valve); 5, reinforced inflow controller; 8, pre-selectable for advanced applications;
(10) Valve core function symbols: Easily distinguish functions with L, M, F, H, J, B, R, O, N;
(11) Output flow code for ports A & B: High-performance output flows available in: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min; ensuring optimal operational efficiency;
(12) Secondary pressure limitation options: Choose N for no pressure limiting protection; C for simultaneous pressure limitation of actuator ports A & B; A---B--- for separate pressure limitations, unit (bar);
(13) Function ON/OFF and pressure outlet options: Customizable with N, without ON/OFF and pressure outlet; X C type limitation; S/S1 AB type limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B;
(14) Operation modes: A(1,2), manual with long handle (1=without handle, 2=with short handle); E, electric proportional control; EA(1,2), electric and manual operation (1=without handle, 2=with short handle); D, electric switching value control; DA(1,2), switching and manual operation (1=without handle, 2=with short handle); M, manual friction positioning long handle; H, pure hydraulic control (two pilot oil ports align with A and B); F, perpendicular hydraulic control (two pilot oil ports are perpendicular to A and B and outward);
(15) Ancillary block port sizes: Offering versatility with /2 G3/8; /3 G1/2; /4 G3/4; /5 G1;
(16) End plate options: E1, standard, external discharge of pilot oil, connect return control port T externally; E2, like E1, with additional port Y; E3, external discharge with 2-position 3-way magnetic ball valve, when power is supplied, system pressure reaches safety valve pressure;
E4, similar to E1 with internal discharge, port T sealable; E5, like E2 with internal discharge, port T sealable; E6, like E3 with internal discharge, port T sealable;
(17) Control voltage and the length of anti-explosion type cable options: Ensures compatibility with G12-12VDC;G24-Discover the robust and versatile voltage options we offer: 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 beacon of pioneering innovation and unmatched excellence in the hydraulic industry. A proud subsidiary of the illustrious China Baoan Group (stock code: 000009), we are recognized as a distinguished national high-tech enterprise. Our core expertise encompasses the precise research, cutting-edge development, meticulous manufacturing, and strategic sales of top-tier hydraulic components. As a testament to our unwavering commitment, we have been honored with the prestigious title of a national 'specialized, refined, and innovative' small giant enterprise, highlighting our dedication to technological progress and superior quality. This steadfast dedication propels us to the forefront of our industry.
Our flagship product, the load-sensitive proportional valve, is the embodiment of cutting-edge hydraulic system control. Specifically engineered for construction machinery and heavy-duty equipment, this indispensable component is crucial for high-pressure applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly engage in strategic partnerships with leading domestic manufacturers, significantly contributing to the localization of core hydraulic components in 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 mission to deliver unparalleled products, services, and solutions. Our ultimate goal is to become a globally trusted supplier of premier hydraulic components, setting new standards of excellence across the globe.
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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