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 true cornerstone for delivering consistent and unwavering performance with unmatched reliability every single time.;
HLPSV: Variable Displacement Pump - The epitome of adaptability, reaching its pinnacle.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust, ensuring unparalleled reliability::
2-G3/8; Compact in design, yet delivers high efficiency seamlessly.
3-G1/2; Renowned for its steadfast reliability and unyielding robustness.;
4-G3/4; Facilitates advanced connectivity, driving superior performance.;
5, 55-G1; Ensures exceptional flow rate, optimizing fluid dynamics effortlessly.;
6-G1 1/4; Delivers unmatched performance and reliability.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights with precision and innovation::
C,Standard Type - A dependable baseline, perfect for all applications.;
G,Throttle Valve (For HLPSL only) - Offers precision control that is simply unparalleled.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized for superior flow management.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control, customizable to cater to your specific needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Perfectly tailored for your precise requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensures streamlined efficiency and optimal effectiveness:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, and unloads the pump when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes when unpowered;D./F., With pressure limiting valve for secondary pressure (F50) with a specified pressure value; Pioneers advanced safety measures.
(6) Experience precision with our Tool Adjustable Pressure Limiting Valve in Connection Block. Offering customizable settings at 63, 120, 210, 280, 315, 350, and 400 bar, our product ensures unmatched optimal pressure control and safety. For those seeking simplicity, the /NF variant comes without a pressure limiting valve (HLPSV only), guaranteeing reliable performance.
(7) Product Series Classification - Embodying excellence in every detail:;-2 2 Series; -3 3 Series; -5 5 Series; Ingeniously tailored to meet diverse application needs.
(8)Thread size of directional spool valve ports A & B, precisely engineered to fit:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Choose from an impressive range of options including A, ancillary block, or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, ensuring adaptability.
(9)Directional valve block inflow controller options, tailored to perfection: 1, without inflow controller; 2, standard inflow controller for balanced performance; 4, 3-way flow controllers for both inlet and outlet, perfectly suited for N 3/3-way valve; 5, strengthened inflow controller for robust needs; 8, pre-selectable for customized convenience.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; A symbol for every need, delivering precision and performance.
(11) Output flow code for ports A & B: Offering a range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min). Ideal for versatile applications.
(12) Secondary pressure limitation options: N, no pressure limiting protection for straightforward operations; C, simultaneously limit pressure at actuator ports A & B for enhanced safety; A---B---, individually limit pressure at actuator ports A & B, measured in 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; Choices for seamless integration.
(14) Operation modes: A(1,2), manual operation with long handle, tailored for user convenience (1=without handle, 2=with short handle); E, electric proportional control for precision; EA(1,2), combined electric proportional control and manual operation (1=without handle, 2=with short handle); D, electric switching value control for dynamic applications; DA(1,2), versatile control with electric switching value and manual operation (1=without handle, 2=with short handle); M, manual friction positioning with long handle; H, pure hydraulic control with pilot oil ports aligning with A and B; F, pure hydraulic control with pilot oil ports perpendicular to A and B.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Perfectly adaptable to your specific system requirements.
(16) End plate options: E1, standard end plate with external pilot oil discharge, ensuring connection to oil return control port T externally; E2, similar to E1, enriched with an additional port Y; E3, featuring a 2-position 3-way magnetic ball valve for power supply scenarios, system pressure optimally increases to safety valve pressure.
E4, akin to E1 but with internal pilot oil discharge, offering optional sealing for port T; E5, resonating with E2, internal discharge with sealable port T; E6, echoing E3, promising internal discharge with sealable port T.
(17) Control voltage and the length of anti-explosion type cable options: G12-12VDC; Ensuring safe and reliable operation in demanding environments.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 prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we stand tall as a distinguished national high-tech enterprise. Our expertise is in the precise research, development, manufacturing, and sales of top-tier hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering commitment to technological advancement and superior quality, elevating us as leaders in our field.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Expertly crafted for construction machinery and heavy-duty equipment, this versatile component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are proud of our strategic partnerships with numerous leading domestic manufacturers, playing a key role in localizing 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 are steadfast in our dedication to providing outstanding products, services, and solutions. Our mission is to emerge 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 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.
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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.
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