Unveiling our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves! These pioneering innovations represent a pinnacle in engineering, seamlessly uniting pressure, flow, and directional control into one cohesive unit, ensuring extraordinary performance and reliability. Crafted from three crucial functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for integration within sophisticated hydraulic systems, playing a vital role in elite engineering machinery. They meticulously control the movement direction and speed of hydraulic cylinders, motors, and various actuators, offering unmatched precision and control. Standout features encompass a compact structure, heightened energy efficiency, and the capacity for stepless speed adjustments. Furthermore, they empower multiple actuators to function concurrently under diverse loads, delivering exceptional performance and adaptability for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast and dependable operation. On the other hand, HLPSV valves are brilliantly engineered for variable pump systems. Although HLPSV valves may exhibit a slightly slower response time, they shine in delivering remarkable energy-saving performance, rendering them the perfect choice for applications where efficiency is of utmost importance. With their advanced engineering and energy-efficient design, HLPSV valves stand as the premier 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 - The cornerstone of consistent and reliable performance, ensuring your operations run smoothly.;
HLPSV: Variable Displacement Pump - This pump epitomizes adaptability and flexibility, catering to diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Experience precision and reliability like never before::
2-G3/8; Designed for compact efficiency and streamlined operations.
3-G1/2; Built for robustness and dependability in challenging environments.;
4-G3/4; Offers advanced connectivity to achieve superior control.;
5, 55-G1; Engineered to offer an exceptional flow rate, perfect for high-demand applications.;
6-G1 1/4; Unleashes unmatched performance directly in the field.;
(3) Additional Components and Specifications - Elevating your system's capabilities to new heights::
C,Standard Type - A trusted baseline that meets essential operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precision control tailored to your requirements.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Expertly optimized to manage flow and enhance performance.;
(4) Pilot Oil Circuit Pressure Options - Customizable solutions for various application pressures:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); These tailored solutions address your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensures streamlined efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump when energized, unloads pump when de-energized; D - Normally closed magnetic ball valve, unloads pump when powered, pressurizes when de-powered;D/F - Includes a pressure limiting valve for secondary pressure (F50) with a specified pressure value; Advanced safety measures ensure secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Customize your safety with adjustable pressure settings at 63, 120, 210, 280, 315, 350, 400 bar. With options like /NF representing no pressure limiting valve (HLPSV only), enjoy flawless pressure management tailored for any operational scenario.
(7) Product Series Classification - Identifying excellence and precision:;-2 2 Series; -3 3 Series; -5 5 Series; Uniquely crafted to suit every application and need, ensuring unparalleled performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; For added versatility, use A, an ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve;
(9)Directional valve block inflow controller options: 1, without inflow controller; 2, standard inflow controller for seamless flow; 4, 3-way flow controllers on both inlet and outlet, ideal for N 3/3-way valve; 5, strengthened inflow controller for robust performance; 8, pre-selectable for customized needs;
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N;
(11) Output flow code for ports A & B: Offering maximum output flows at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min), catering to diverse operational requirements;
(12) Secondary pressure limitation options: N, no pressure limiting protection; C, simultaneous pressure limitation at actuator ports A & B; A---B---, separate pressure limitation at actuator ports A & B, 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; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B;
(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), combining electric proportional control with manual operation (1=without handle, 2=with short handle); D, electric switching value control; DA(1,2), merging electric switching value control with manual operation (1=without handle, 2=with short handle); M, manual friction positioning utilizing a long handle; H, pure hydraulic control with two pilot oil ports aligned with oil ports A and B; F, pure hydraulic control with pilot oil ports perpendicular to oil ports A and B, extending outward;
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1;
(16) End plate options: E1, standard end plate with external discharge of pilot oil, allows connecting oil return control port T externally; E2, akin to E1 but with port Y additionally attached; E3, external discharge of pilot oil and equipped with a 2-position 3-way magnetic ball valve, in power supply scenarios, ensuring system pressure rises to the safety valve pressure;
E4, similar to E1, with internal discharge of pilot oil allowing port T to be sealed; E5, similar to E2, with internal discharge of pilot oil allowing port T to be sealed; E6, resembling E3, with internal discharge of pilot oil enabling port T to be sealed;
(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; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation, consistently redefining the hydraulic industry with our groundbreaking advancements and exceptional excellence. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we are recognized as a distinguished national high-tech enterprise. Our expertise shines in the precise research, development, manufacturing, and sales of premium hydraulic components. Our esteemed recognition as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering dedication to technological progress and superior quality, firmly establishing us as leaders in our field.
Our flagship product, the load-sensitive proportional valve, represents the zenith of cutting-edge hydraulic system control technology. Ingeniously designed for construction machinery and heavy-duty equipment, this adaptable component is indispensable for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly foster strategic partnerships with numerous leading domestic manufacturers, playing a crucial role in localizing core hydraulic components for advanced mechanical equipment. Guided 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 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: Begin your journey by sharing your detailed requirements or intended applications with us. We will craft a personalized quote tailored to your needs or based on our expert recommendations. Once you approve the drawings and secure the order with a deposit, we will proceed to formalize the order and commence production. Our commitment to precision ensures every specification is met, delivering a seamless and customized 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.
){kind=link}