Introducing the revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves by Jiangsu KM Hydraulic Control System Co., Ltd. These state-of-the-art engineering solutions flawlessly combine pressure, flow, and directional control into one cohesive, high-performance unit, ensuring unparalleled reliability and excellence. Designed meticulously with three core functional modules - connecting blocks, directional valves, and end plates - these valves are ideal for integration into sophisticated hydraulic systems, vital in elite engineering machinery. They adeptly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and command. Key features boast a compact design, exceptional energy efficiency, and stepless speed control. Moreover, they facilitate multiple actuators functioning simultaneously across various loads, delivering peerless performance and versatility for any demanding application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring unwavering and trustworthy operation. On the other hand, the HLPSV valves are skillfully designed for variable pump systems. Although HLPSV valves might present a marginally slower response time, they shine by offering outstanding energy-saving performance, marking them as the ultimate selection for applications where efficiency is of utmost importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the prime solution for advanced 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.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility at its finest.;
(2) Connection Block Ports P & R Specifications - Precision and reliability you can rely on::
2-G3/8; Compact and efficient for a seamless operation.
3-G1/2; Robust and dependable for every challenge.;
4-G3/4; Advanced connectivity for superior control and accuracy.;
5, 55-G1; Offering a superior flow rate for high-demand applications and performance.;
6-G1 1/4; Delivering unmatched performance and reliability in the field.;
(3) Additional Components and Specifications - Elevating the capabilities of your system::
C,Standard Type - A reliable foundation to meet all your needs.;
G,Throttle Valve (For HLPSL only) - Ensuring precision and exceptional control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management to boost performance.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions designed to meet your specific needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump when powered, efficiently unloads when unpowered; D - Normally closed magnetic ball valve, unloads when powered, securely pressurizes when unpowered;D/F - With pressure limiting valve for secondary pressure (F50) with specified pressure value; Advanced safety measures ensuring secure and safe operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the precision of adjustable settings available at various pressures: 63, 120, 210, 280, 315, 350, 400 bar. Experience the versatility with /NF, which includes no pressure limiting valve for HLPSV only. This ensures optimal pressure control tailored for a diverse range of scenarios.
(7) Product Series Classification - Identifying excellence: A testament to our commitment to innovation.;-2 2 Series; -3 3 Series; -5 5 Series; Each crafted and tailored for every unique application, ensuring precision and reliability.
(8)Thread size of directional spool valve ports A & B: Each size crafted for superior performance.2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Providing a seamless fit with A, or an ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, promising efficiency and reliability.
(9)Directional valve block inflow controller options: Explore a range, from 1 without inflow controller to 2 standard, and 4 with 3-way flow controllers for both inlet and outlet, perfect for N 3/3-way valve scenarios. Discover the robustness of option 5, the strengthened inflow controller, and the adaptability of pre-selectable option 8.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; Each symbol represents a core function, enhancing operational effectiveness.
(11) Output flow code for ports A & B: Unleash the potential with maximum output flows available in an impressive range of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min for unparalleled performance.
(12) Secondary pressure limitation options: Tailor your pressure needs with options like N for no pressure limiting protection, C to limit both actuator ports A & B simultaneously, or A---B--- for individual pressure limitation of actuator ports A & B, measured in bars.
(13) Function ON/OFF and pressure outlet options: Choose from N for no function ON/OFF and pressure outlet, X C type pressure limitation, S/S1 AB type pressure limitation, or customize with electrical ON/OFF on side A (A) or side B (B).
(14) Operation modes: Versatility at its best with options like A(1,2) manual operation with a choice of long handle, electric proportional control E, or a combination with manual operation EA(1,2). Delve into electric switching value control D, or blend with manual operation DA(1,2). Experience manual friction positioning M or pure hydraulic control with options H and F.
(15) Ancillary block port sizes: Customize with sizes like /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1; each designed to meet your specific requirements.
(16) End plate options: Choose the right end plate for your needs, from E1 standard with external pilot oil discharge to E2 with additional port Y, E3 featuring a 2-position 3-way magnetic ball valve for optimal system pressure. Explore internal discharge options with E4, E5, and E6 for tailored performance.
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 the length of anti-explosion type cable options: Experience reliability with G12-12VDC, designed for enhanced safety.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 a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), we proudly uphold our reputation as a national high-tech enterprise. Our expertise shines through in the meticulous research, development, manufacturing, and sales of superior hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we demonstrate an unwavering commitment to technological progress and exceptional quality. This relentless pursuit of excellence places us at the forefront of our industry, leading the charge in pioneering advancements.
Our flagship product, the load-sensitive proportional valve, represents the ultimate in advanced hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this versatile component plays a crucial role in high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with numerous leading domestic manufacturers, contributing significantly to the localization of core hydraulic components for high-end 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 dedication 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.
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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.
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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.
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