Presenting our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These state-of-the-art engineering innovations seamlessly blend pressure, flow, and directional control into one cohesive unit, ensuring outstanding performance and dependability. Typically consisting of three fundamental functional modules-connecting blocks, directional valves, and end plates-these valves are intricately crafted for integration into high-end hydraulic systems, essential for premium engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Standout features include a compact design, exceptional energy efficiency, and the ability for continuous speed modulation. Furthermore, they enable multiple actuators to function concurrently under diverse loads, offering unrivaled performance and adaptability for any task.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring steadfast and reliable operation. On the other hand, the HLPSV valves are brilliantly engineered for variable pump systems. Although HLPSV valves may demonstrate a slightly slower response time, they shine in providing remarkable energy-saving performance, making them the premier choice for applications where efficiency is of utmost importance. With their advanced engineering and energy-efficient design, HLPSV valves stand as the ultimate 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)Fundamental Code of Connection Block: Master the essentials of hydraulic control.
HLPSL: Constant Displacement Pump - A cornerstone for consistent hydraulic flow.;
HLPSV: Variable Displacement Pump - Versatility at its finest, tailored for precision.;
(2) Port P & R Specifications of the Connection Block: Ensuring optimal connectivity and performance.:
2-G3/8;
3-G1/2;
4-G3/4;
5, 55-G1;
6-G1 1/4;
(3)Additional Component Details: Elevate your system with these premium features.:
C,Standard Type - Reliable and versatile for a wide range of applications.;
G,Throttle Valve (Applicable Exclusively to HLPSL) - Precision control at your fingertips.;
H,Fixed Differential Overflow Valve Enhancing Circulating Pressure (approximately 14 bar, HLPSL) - Maximizing efficiency with robust pressure management.;
(4)Pilot Oil Circuit Pressure: Tailor your system's responsiveness with these configurations.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: Choose your ideal setup for ultimate control and safety.../F. Pressure Limiting Valve as secondary pressure (F50) with specified pressure value indicated;
(6)Tool Adjustable Pressure Limiting Valve in the Connection Block: Customizable pressure settings to meet diverse operational demands; /NF: without pressure limiting valve (HLPSV only);
(7)Product Series: Tailored to your needs -2 series;;-3 series; -5 series;
(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 hydraulic control shut-off valve;
(9)Directional valve block inflow controller: 1, no inflow controller included; 2, standard inflow controller for optimal performance; 4, 3-way flow controllers for both inlet and outlet, perfect for N 3/3-way valve; 5, reinforced inflow controller to enhance durability; 8, pre-selectable configurations available;
(10) Function symbol of valve core: Choose from L, M, F, H, J, B, R, O, N; each symbol represents specific functional characteristics;
(11) Output flow code of ports A & B: Opt from maximum output flows of ports A & B: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min), ensuring optimal hydraulic performance;
(12) Secondary pressure limitation: N, no pressure limiting protection implemented; C, restrict the pressure of actuator ports A & B simultaneously for safety; A---B---, limit the pressure of actuator ports A & B individually, measured in bar;
(13) Function ON/OFF and pressure outlet: N, devoid of function ON/OFF and pressure outlet; X C type pressure limitation for enhanced safety; S/S1 AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B for precise control;
(14) Operation manner: A(1,2), manual operation with long handle, adaptable (1=without handle, 2=with short handle); E, electric proportional control for precise adjustments; EA(1,2), combination of electric proportional control and manual operation (1=without handle, 2=with short handle); D, electric switching value control for versatile use; DA(1,2), electric switching value control paired with manual operation (1=without handle, 2=with short handle); M, manual friction positioning ensures steady control with long handle; H, pure hydraulic control aligning two pilot oil ports with oil ports A and B; F, pure hydraulic control with pilot oil ports perpendicular and outward to oil ports A and B respectively;
(15) Ancillary block: /2 Ancillary block port size G3/8; /3 Ancillary block port size G1/2; /4 Ancillary block port size G3/4; /5 Ancillary block port size G1, tailor the block size for desired application;
(16) End plate: E1, standard end plate with external discharge of pilot oil, seamlessly connecting oil return control port T externally; E2, akin to E1 with additional port Y for enhanced connectivity; E3, external discharge of pilot oil featuring a 2-position 3-way magnetic ball valve for advanced control; under power supply conditions, the system pressure escalates to the safety valve threshold, ensuring safety and reliability;
E4, mirrors E1 with internal discharge of pilot oil, allowing port T to be sealed for compactness; E5, akin to E2 but facilitates internal discharge of pilot oil with sealable port T; E6, similar to E3 with internal discharge, port T sealable for a streamlined design;
(17) Control voltage and the length of anti-explosion type cable: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12MA-3m-12VDC (anti-explosion type, available in guide line lengths: 3m, 5m, 10m, etc. to suit diverse operational needs)
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, represents the pinnacle of advanced hydraulic control, epitomizing our commitment to excellence and precision. Perfectly engineered for a wide range of applications, this versatile and adaptable component is indispensable in high-stakes scenarios such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on forging strategic alliances with numerous leading domestic manufacturers, playing a pivotal role in the localization of core hydraulic components for high-end mechanical equipment. Rooted in our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering 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 on the world stage.
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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