Discover the pinnacle of hydraulic control technology with our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These engineering wonders seamlessly integrate pressure, flow, and directional control into a single, cohesive unit, ensuring unmatched performance and reliability. Composed of three essential functional modules - connecting blocks, directional valves, and end plates - they are expertly crafted for integration into elite hydraulic systems, vital in high-end engineering machinery. Govern the movement direction and speed of hydraulic cylinders, motors, and other actuators with exceptional precision and control. Key features include a compact structure, outstanding energy efficiency, and the ability for stepless speed control. Additionally, they empower multiple actuators to operate concurrently under varying loads, offering unparalleled versatility and performance for any application.
Expertly designed for constant displacement pump systems, the HLPSL valves ensure steadfast and reliable operation. On the other hand, the HLPSV valves are meticulously crafted for variable pump systems. While HLPSV valves offer a slightly slower response time, they excel in providing exceptional energy-saving performance, making them the ultimate choice for scenarios where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the premier solution for sophisticated hydraulic control demands.
| 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 cornerstone for consistent and reliable performance.;
HLPSV: Variable Displacement Pump - Offering adaptability at its finest for dynamic applications.;
(2) Connection Block Ports P & R Specifications - Precision and trust combined::
2-G3/8; Compact yet incredibly efficient for streamlined operations.
3-G1/2; Renowned for reliability and robustness in demanding environments.;
4-G3/4; Advanced connectivity ensuring enhanced system integration.;
5, 55-G1; Delivering superior flow rate for high-performance requirements.;
6-G1 1/4; Unmatched performance that meets the highest standards.;
(3) Additional Components and Specifications - Elevating system capabilities::
C,Standard Type - The dependable baseline for robust applications.;
G,Throttle Valve (For HLPSL only) - Ensures precision and control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management for efficiency.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control to suit diverse needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored to perfectly meet your specific requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensures streamlined efficiency and effective management:C - No magnetic ball valve; F - Normally open magnetic ball valve, easily 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; Ensures advanced safety measures and system reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Settings available at 63, 120, 210, 280, 315, 350, 400 bar; /NF: No pressure limiting valve (HLPSV only); Ensures optimal pressure control and precision.
(7) Product Series Classification - Identifying excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Tailored for every application, ensuring precision and reliability for diverse industrial needs.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A, ancillary block or intermediate transition block ZPL 5S(V)/H, the hydraulic control shut-off valve; expertly designed for seamless integration.
(9)Directional valve block inflow controller options: 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for both inlet and outlet, perfectly suited for N 3/3-way valve configurations; 5, strengthened inflow controller; 8, pre-selectable, offering versatile control solutions.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; crafted to ensure optimal performance across various system requirements.
(11) Output flow code for ports A & B: Available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); providing unparalleled adaptability for your hydraulic systems.
(12) Secondary pressure limitation options: N, no pressure limiting protection; C, limit the pressure of actuator ports A & B simultaneously; A---B---, limit the pressure of actuator ports A & B separately, unit (bar); tailored for utmost safety and operational efficiency.
(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; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B; ensuring flexible and reliable pressure management.
(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 diverse operational flexibility.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; engineered for seamless connectivity and enhanced performance.
(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; ensuring smooth operations and safety under varying conditions.
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; designed for enhanced safety and operational efficiency.
(17) Control voltage and the length of anti-explosion type cable options: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G123d8c99f0
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 an esteemed subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly hold the status of a national high-tech enterprise. Our expertise encompasses comprehensive research, development, manufacturing, and sales of superior hydraulic components. Our prestigious designation as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast dedication to technological advancement and unsurpassed quality. This unwavering commitment propels us to the forefront of our industry, establishing us as leaders in the field.
Our flagship product, the load-sensitive proportional valve, embodies the zenith of sophisticated hydraulic system control. Masterfully designed for construction machinery and heavy-duty equipment, this indispensable component is crucial for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are honored to engage in strategic partnerships with numerous top domestic manufacturers, significantly contributing to the localization of 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 unwavering in our pursuit of delivering unparalleled products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting unrivaled standards of excellence on the world stage.
Customer Inquiry:1. What about the lead time?
Our Response: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.
Customer Inquiry:2. Do you have any MOQ limit for LED light orders?
Our Response: 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.
Customer Inquiry:3. How to proceed with an order for LED lights?
Our Response: 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.
Customer Inquiry:4. Is it OK to print my logo on the product?
Our Response: 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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