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.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust::
2-G3/8; Compact in design, yet highly efficient.
3-G1/2; Renowned for reliability and robustness.;
4-G3/4; Advanced connectivity for superior performance.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics.;
6-G1 1/4; Unmatched in performance and reliability.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A dependable baseline for all applications.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your precise requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness: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.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility with settings available at 63, 120, 210, 280, 315, 350, and 400 bar. The absence of a pressure limiting valve (HLPSV only) ensures unmatched customization. Rely on this system for optimal pressure management and maximum safety.
(7) Product Series Classification - Unveiling the Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Expertly tailored to meet every conceivable application need.
(8)Thread size of directional spool valve ports A & B: Precision-defined thread sizes include 2-G3/8, 3-G1/2, 4-G3/4, and 5-G1. Choose from ancillary blocks or intermediate transition blocks ZPL 5S(V)/H for unrivaled hydraulic control shut-off performance.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 options: Explore a multitude of configurations including 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controllers ideal for N 3/3-way valves; 5, reinforced inflow controller; 8, pre-selectable for specific applications.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N;
(11) Output flow code for ports A & B: Achieve customizable fluid dynamics with maximum output flows available at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min.
(12) Secondary pressure limitation options: N, enjoy no pressure limiting protection; C, simultaneously limit the pressure of actuator ports A & B; A---B---, apply distinct pressure limitations for ports A & B, measured in units of bar.
(13) Function ON/OFF and pressure outlet options: N, forgoing ON/OFF functions and pressure outlets; X, enjoy C type pressure limitation; S/S1, leverage AB type pressure limitation; A, embrace electrical ON/OFF on side A; B, utilize electrical ON/OFF on side B.
(14) Operation modes: A(1,2), manual control with the option of a long or short handle; E, state-of-the-art electric proportional control; EA(1,2), marry electric proportional control with manual operation; D, precision electric switching value control; DA(1,2), blend switching value control with manual operation; M, manual friction positioning enhanced with a long handle; H, pristine hydraulic control aligning pilot oil with A and B ports; F, pure hydraulic control with orthogonal pilot oil ports.
(15) Ancillary block port sizes: Choose from sizes /2 G3/8; /3 G1/2; /4 G3/4; /5 G1 for perfect compatibility.
(16) End plate options: E1, standard end plate enabling external pilot oil discharge and seamless oil return control; E2, akin to E1 with added port Y; E3, features a 2-position 3-way magnetic ball valve, maintaining system pressure to safety valve levels in power supply scenarios.
E4, mirrors E1 but with internal pilot oil discharge, with port T sealable; E5, similar to E2, internal discharge with sealable port T; E6, akin to E3 with internal discharge and sealable port T.
(17) Control voltage and the length of anti-explosion type cable options: G12-12VDC; Ensure secure and reliable operation with precision-engineered voltage and anti-explosion cable configurations.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 proud subsidiary of the renowned China Baoan Group (stock code: 000009), we are recognized as a distinguished national high-tech enterprise. Our expertise shines in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our prestigious designation as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast commitment to technological progress and superior quality. This dedication positions us as trailblazers in our field, advancing the industry with groundbreaking innovations.
Our flagship creation, the load-sensitive proportional valve, represents the zenith of hydraulic system control technology. Masterfully engineered for construction machinery and heavy-duty equipment, this essential component is crucial for high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic partnerships with leading domestic manufacturers, playing a key role in localizing core hydraulic components for top-tier mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our promise to deliver outstanding products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence across the globe.
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.
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