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 single, 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 crafted 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. Furthermore, they enable 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. While 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) Essential Connection Block Codes
HLPSL: Constant Displacement Pump - A cornerstone for consistent and unwavering performance, ensuring your operations remain smooth and reliable at all times.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle, offering unparalleled flexibility to meet your dynamic needs.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust, engineered for excellence::
2-G3/8; Compact in design, yet highly efficient, ensuring maximum productivity with minimal footprint.
3-G1/2; Renowned for reliability and robustness, a staple for enduring performance.;
4-G3/4; Advanced connectivity for superior performance, enhancing your system's capabilities.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics, setting new standards in hydraulic efficiency.;
6-G1 1/4; Unmatched in performance and reliability, perfect for demanding applications.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights, redefining what is possible::
C,Standard Type - A dependable baseline for all applications, your go-to solution for various settings.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control, ensuring accuracy in every operation.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management, enhancing pressure stability.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs, accommodating a range of operational demands:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your precise requirements, ensuring seamless integration.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness, redefining operational excellence: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; Pioneering advanced safety measures, protecting your system with innovative solutions.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover precision in pressure management with our adjustable settings available at 63, 120, 210, 280, 315, 350, 400 bar. For applications requiring a high level of flexibility, choose our /NF option for no pressure limiting valve (HLPSV only). Ensure optimal performance and safety with our unparalleled pressure control technology.
(7) Product Series Classification - Identifying Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Elevate your applications with our specially tailored series, designed to meet diverse needs and deliver outstanding results.
(8)Thread Size of Directional Spool Valve Ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Choose from our comprehensive range including A, ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, for seamless integration into your hydraulic systems.
(9)Directional Valve Block Inflow Controller Options: Transform your control with options like 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for both inlet and outlet, ideal for sophisticated N 3/3-way valve systems; 5, strengthened inflow controller; and 8, pre-selectable settings for precise control.
(10) Valve Core Function Symbols: L, M, F, H, J, B, R, O, N;
(11) Output Flow Code for Ports A & B: Unleash optimal efficiency with available maximum output flows ranging from 3 to 210 L/min, tailored for superior performance across diverse applications.
(12) Secondary Pressure Limitation Options: N, no pressure limiting protection; C, comprehensive pressure limitation at actuator ports A & B; A---B---, individually limit the pressure of actuator ports A & B. Achieve precision control with our pressure limitation options, measured in bars.
(13) Function ON/OFF and Pressure Outlet Options: Choose from 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, to customize your control requirements with precision.
(14) Operation Modes: Experience versatility with operation modes such as A(1,2), manual operation with long handle; E, electric proportional control; EA(1,2), a combination of electric proportional control and manual operation; D, electric switching value control; DA(1,2), integrated electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control with aligned pilot oil ports; F, pure hydraulic control with perpendicular pilot oil ports.
(15) Ancillary Block Port Sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Select from our flexible port sizes for seamless integration into your systems.
(16) End Plate Options: E1, standard end plate with external discharge of pilot oil; E2, with additional port Y attachment; E3, magnetic ball valve for rising system pressure; E4-E6, featuring internal discharge of pilot oil with sealable port T. Tailor your end-plate needs for efficient hydraulic control.
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;
(17) Control Voltage and Length of Anti-Explosion Type Cable Options: G12-12VDC; Ensure safety and reliability with our anti-explosion cable options, designed for robust performance.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 and excellence in the hydraulic industry. As an esteemed subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly hold the prestigious status of a national high-tech enterprise. Our core competence lies in the detailed research, development, manufacturing, and sales of superior hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we are unwavering in our commitment to technological advancement and superior quality. This steadfast dedication positions us as trailblazers in our field.
Our flagship product, the load-sensitive proportional valve, stands as the pinnacle of advanced hydraulic system control. Masterfully engineered for construction machinery and heavy-duty equipment, this indispensable component is essential for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with numerous leading domestic manufacturers, playing a crucial 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, setting new benchmarks of excellence worldwide.
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: 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.
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}