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 singular, 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 designed 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. Additionally, they allow 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. Although 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)Fundamental Code of Connection Block
HLPSL: Constant Displacement Pump;
HLPSV: Variable Displacement Pump;
(2) Port P & R Specifications of the Connection Block:
2-G3/8;
3-G1/2;
4-G3/4;
5, 55-G1;
6-G1 1/4;
(3)Additional Component Details:
C,Standard Type;
G,Throttle Valve (Applicable Exclusively to HLPSL);
H,Fixed Differential Overflow Valve Enhancing Circulating Pressure (approximately 14 bar, HLPSL);
(4)Pilot Oil Circuit Pressure:0 without pressure reducing valve; 1 with pressure reducing valve (20 bar); 2 with pressure reducing valve (40 bar);
(5)2/2-way Magnetic Ball Valve for System Unloading: C, without magnetic ball valve; F, normally open magnetic ball valve (pressurized under power, unloads on power failure); D, normally closed magnetic ball valve (unloads under power, pressurized on power failure);../F. Pressure Limiting Valve as secondary pressure (F50) with specified pressure value indicated;
(6)Tool Adjustable Pressure Limiting Valve in the Connection Block: Adjustable to pressure settings such as 63, 120, 210, 280, 315, 350, 400 bar; /NF: without pressure limiting valve (HLPSV only);
(7)Product Series: -2 series;;-3 series; -5 series;
(8)Explore the precision and compatibility of your hydraulic system with our Truck Crane Valve Distributor. The thread size for directional spool valve ports A & B is engineered for seamless performance: 2-GOptions include 3/8; 3-G1/2; 4-G3/4; 5-G1. Enhance your system with our ancillary block or intermediate transition block ZPL 5S(V)/H, featuring hydraulic control shut-off valve capabilities;
(9)Customize your directional valve block with an inflow controller that meets your needs: 1, without inflow controller for simplicity; 2, our standard inflow controller for balanced performance; 4, 3-way flow controllers for both inlet and outlet - perfect for N 3/3-way valve configurations; 5, a strengthened inflow controller for demanding applications; 8, pre-selectable for tailored solutions;
(10) Elevate your hydraulic control with our valve core function symbols: L, M, F, H, J, B, R, O, N - each designed for specific flow patterns and control dynamics;
(11) Maximize hydraulic efficiency with our select output flow codes for ports A & B, offering a tailored flow range of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min;
(12) Ensure safety and reliability with secondary pressure limitation options: N, offers no pressure limiting protection; C, provides simultaneous pressure limitation for actuator ports A & B; A---B---, allows for independent pressure limitation of actuator ports, with precision in bar units;
(13) Customize your operational setup with Function ON/OFF and pressure outlet options: N, without additional function ON/OFF or pressure outlet; X C type for pressure limitation; S/S1 AB types for enhanced pressure control; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B for tailored operational flexibility;
(14) Choose your ideal operation manner: A(1,2), manual with a long handle choice; E, electric proportional control for precision; EA(1,2), combines electric proportional control with manual operation flexibility; D, electric switching value control; DA(1,2), merges electric switching control with manual operation versatility; M, manual friction positioning with a long handle; H, pure hydraulic control with pilot oil ports aligning with A and B; F, pure hydraulic configuration with perpendicular pilot oil ports, offering wide-ranging control orientations;
(15) Optimize installation with our Ancillary block options: /2 port size G3/8; /3 port size G1/2; /4 port size G3/4; /5 port size G1, each tailored for specific hydraulic configurations;
(16) Secure reliable operation with our End plate configurations: E1, standard with external discharge of pilot oil, connects oil return control port T externally; E2, similar to E1 with an additional port Y; E3, includes a 2-position 3-way magnetic ball valve for enhanced power supply scenarios, raising system pressure to safety valve thresholds;
E4, mirrors E1 with internal pilot oil discharge and sealable port T; E5, aligns with E2 offering internal discharge and sealing options; E6, follows E3 with internal discharge and sealable port T, ensuring flexible operational adaptability;
(17) Experience robust control with our Control voltage options and anti-explosion cable lengths: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12MA-3m-12VDC. Our anti-explosion types offer guide line lengths of 3m, 5m, 10m, and more, ensuring safety and customization in every scenario.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a beacon of groundbreaking innovation and unmatched excellence in the hydraulic industry. As a prestigious member of the China Baoan Group (stock code: 000009), we are proud to be recognized as a national high-tech enterprise. Our forte lies in the research, development, manufacturing, and sales of premium hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise signifies our relentless dedication to technological advancement and superior quality, positioning us as a leader in the field.
Our flagship product, the load-sensitive proportional valve, stands at the pinnacle of advanced hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this versatile and adaptable component is indispensable in high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic collaborations with numerous leading domestic manufacturers, playing a pivotal 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 ascend 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 one month following receipt of payment. This timeframe allows us to ensure meticulous preparation and stringent quality control for optimal results, ensuring 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. Even a single piece can be ordered for sample checking to meet your specific needs, providing ultimate flexibility for your projects.
Question:3. How to proceed with an order for LED lights?
Answer: First, inform us of your detailed requirements or application. Second, we will provide a customized quote based on your needs or our expert recommendations. Third, you confirm thedrawings,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. Please inform us formally before production begins, and confirm the design based on the sample we provide. This ensures your branding is perfectly represented with precision and quality.
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