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 - The key to consistent and reliable performance, ensuring smooth and efficient operation.;
HLPSV: Variable Displacement Pump - Offering adaptability and flexibility at its finest, catering to dynamic operational needs.;
(2) Connection Block Ports P & R Specifications - Precision and reliability you can trust, designed for optimal performance::
2-G3/8; Compact and efficient, ideal for streamlined operations.
3-G1/2; Robust and dependable, ensuring durability.;
4-G3/4; Advanced connectivity providing superior control and management.;
5, 55-G1; Offering a superior flow rate designed for high-demand applications.;
6-G1 1/4; Delivering unmatched performance, crafted for excellence in the field.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A dependable baseline, meeting essential needs with reliability.;
G,Throttle Valve (For HLPSL only) - Ensuring precision control and efficient regulation.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management to enhance performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control for various applications, tailored for flexibility and precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions to meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency and control, enhancing operational smoothness: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; Advanced safety measures for secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Adjustable settings offer precise pressure management at multiple levels including 63, 120, 210, 280, 315, 350, 400 bar; /NF: No pressure limiting valve (HLPSV only); Optimized for seamless pressure control across diverse applications.
(7) Product Series Classification - A testament to quality and innovation:;-2 2 Series; -3 3 Series; -5 5 Series; Ingeniously designed to meet the demands of every application.
(8)Thread size of directional spool valve ports A & B, crafted for precision:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring A, ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve;
(9)Directional valve block inflow controller options, tailored for your unique needs: 1, without inflow controller; 2, standard inflow controller; 4, cutting-edge 3-way flow controllers for both inlet and outlet (ideal for N 3/3-way valve); 5, reinforced inflow controller; 8, pre-selectable for customized control;
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; offering flexibility and functionality.
(11) Output flow code for ports A & B, ensuring optimal performance: Available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary pressure limitation options for enhanced safety: N, no pressure limiting protection; C, simultaneously limit the pressure of actuator ports A & B; A---B---, individually limit the pressure of actuator ports A & B, measured in units (bar);
(13) Function ON/OFF and pressure outlet options for comprehensive control: 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;
(14) Operation modes offering versatility: 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);
(15) Ancillary block port sizes available for seamless integration: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1;
(16) End plate options provide adaptable functionality: E1, standard end plate, external discharge of pilot oil with external oil return control port T; E2, enhanced E1, external discharge of pilot oil with additional port Y; E3, external discharge of pilot oil featuring a 2-position 3-way magnetic ball valve; in power supply scenarios, elevates system pressure to the safety valve threshold;
E4, akin to E1 with internal discharge of pilot oil, port T can be sealed; E5, akin to E2 with internal discharge of pilot oil, port T can be sealed; E6, akin to E3 with internal discharge of pilot oil, port T can be sealed;
(17) Control voltage and anti-explosion type cable lengths for secure operation: G12-12VDC;Model: G24Separator: -Voltage Options: 24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; GSize: 12Product Code: bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly distinguish ourselves as a national high-tech enterprise. Our forte lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering dedication to technological advancement and superior quality. This relentless pursuit ensures our leadership position in the industry.
Our flagship product, the load-sensitive proportional valve, stands as the pinnacle of advanced hydraulic system control. Masterfully crafted for construction machinery and heavy-duty equipment, this versatile component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with top domestic manufacturers, playing a crucial role in localizing core hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our commitment to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier 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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