Unveiling the pinnacle of hydraulic innovation: our HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These state-of-the-art engineering wonders seamlessly meld together the crucial elements of pressure, flow, and directional control into a singular, harmonious entity, promising unrivaled performance and steadfast reliability. Typically composed of the trio of indispensable functional modules-connecting blocks, directional valves, and end plates-these valves are intricately designed for infusion into top-tier hydraulic systems, playing an essential role in elite engineering machinery. They deftly manage the direction and velocity of hydraulic cylinders, motors, and other actuators, ensuring precision and command like never before. Standout features include a compact structure, outstanding energy efficiency, and the ability for stepless speed control. Moreover, they empower multiple actuators to function simultaneously under varying loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are meticulously designed for constant displacement pump systems, assuring unwavering and dependable operation. Meanwhile, the HLPSV valves are ingeniously crafted for variable pump systems. Despite HLPSV valves having a marginally slower response time, they excel in providing remarkable energy-saving performance, making them the perfect choice for scenarios where efficiency takes precedence. With their state-of-the-art engineering and energy-conserving design, HLPSV valves stand out as the leading solution for sophisticated hydraulic control needs.
| 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 cornerstone for unwavering performance.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability at its peak.;
(2) Connection Block Ports P & R Specifications - Precision you can rely on::
2-G3/8; Ensures compactness and efficiency.
3-G1/2; Offers reliability and robustness.;
4-G3/4; Facilitates advanced connectivity.;
5, 55-G1; Delivers superior flow rate.;
6-G1 1/4; Provides unmatched performance.;
(3) Additional Components and Specifications - Maximizing system potential::
C,Standard Type - A dependable foundation.;
G,Throttle Valve (For HLPSL only) - Precision in control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored for precision:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Specifically designed for your requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Elevating streamlined efficiency: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; Incorporates advanced safety measures.
(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); Guarantees optimal pressure control.
(7) Product Series Classification - Identifying excellence: Discover the pinnacle of precision with our product series classifications, each tailored to meet specific hydraulic demands with impeccable accuracy.;-2 2 Series; -3 3 Series; -5 5 Series; Tailored for every application. Harnessing innovation, each series is meticulously engineered to deliver unparalleled performance across diverse applications, ensuring optimal functionality and adaptability.
(8)Thread size of directional spool valve ports A & B: Designed for versatility and precision, the thread sizes available for directional spool valve ports A & B provide the ideal configuration for superior hydraulic control:2-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; Offering an extensive range of sizes, ensuring compatibility and excellence in any hydraulic system.
(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 (ideal for N 3/3-way valve); 5, strengthened inflow controller; 8, pre-selectable; Versatile and adaptable, our inflow controller options ensure precision flow management tailored for your unique hydraulic application.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; Navigate through an array of valve core function symbols designed for distinct operational needs, providing versatility and precision.
(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); Experience seamless fluid dynamics with our extensive range of output flows, delivering maximum efficiency and power for any hydraulic application.
(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 safety and precision, these options provide customized pressure control, ensuring optimal protection and performance.
(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; Offering robust control options for ON/OFF functionality and pressure outlet configurations, these selections ensure precision and reliability in hydraulic 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); Embrace diverse operational capabilities with our extensive range of modes, tailored to offer manual precision, electric efficiency, and hydraulic excellence.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Choose from a variety of ancillary block port sizes, providing the perfect fit for seamless integration and superior hydraulic 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; Select from a robust selection of end plate options, each designed for optimal discharge and pressure management, ensuring safety and efficiency.
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; Engineered for excellence, these end plates offer internal discharge solutions, providing enhanced safety and seamless operation.
(17) Control voltage and the length of anti-explosion type cable options: G12-12VDC; Providing reliable and secure control voltage options with explosion-proof cable features to ensure safety and robustness in various environments.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G Elevate your hydraulic control with our adaptable voltage configurations, crafted to meet diverse application needs with precision and safety.123d8c99f0
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 prominent subsidiary of the illustrious China Baoan Group (stock code: 000009), we stand tall as a distinguished national high-tech enterprise. Our prowess is reflected in our meticulous research, development, manufacturing, and sales of high-quality hydraulic components. Esteemed as a national 'specialized, refined, and innovative' small giant enterprise, our unwavering commitment to technological advancement and quality is unyielding. This steadfast dedication propels us to the forefront of our industry, consistently setting the standard for innovation and excellence.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Ingeniously 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 immensely proud of our strategic partnerships with numerous leading domestic manufacturers, playing a key role in the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain 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, consistently setting new benchmarks of excellence worldwide.
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.
){kind=link}