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 - The cornerstone of consistent performance and reliability.;
HLPSV: Variable Displacement Pump - Experience adaptability at its finest, tailored to your specific needs.;
(2) Connection Block Ports P & R Specifications - Precision and trust combined for unparalleled performance::
2-G3/8; Designed for compact efficiency and seamless integration.
3-G1/2; Renowned for reliability and robust functionality.;
4-G3/4; Setting new standards in advanced connectivity.;
5, 55-G1; Offers unsurpassed flow rate for demanding applications.;
6-G1 1/4; The epitome of unmatched performance in hydraulic systems.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - Your dependable baseline for consistent operation.;
G,Throttle Valve (For HLPSL only) - Precision control at your fingertips.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Engineered for optimized flow management.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control to suit any requirement:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored precisely for your unique needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Achieving streamlined efficiency like never before:C - No magnetic ball valve; F - Normally open magnetic ball valve, expertly pressurizes pump when powered, unloads pump when unpowered; D - Normally closed magnetic ball valve, efficiently unloads pump when powered, pressurizes when unpowered; D./F. . , Equipped with a pressure limiting valve for secondary pressure (F50) with specified pressure value; Advanced safety measures for peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Settings available at 63, 120, 210, 280, 315, 350, and 400 bar; /NF: No pressure limiting valve (HLPSV only); Ensuring optimal pressure control for all situations.
(7) Product Series Classification - Identifying Excellence: Elevate your hydraulic systems with precision engineering.;-2 2 Series; -3 3 Series; -5 5 Series; Tailored for every application. Choose the series that best matches your specific needs, ensuring optimal performance.
(8)Thread Size of Directional Spool Valve Ports A & B: Designed for Versatility and Integration2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A, Ancillary Block or Intermediate Transition Block ZPL 5S(V)/H for Hydraulic Control Shut-Off: Engineered for Enhanced Control and Flexibility;
(9)Directional Valve Block Inflow Controller Options: Tailored Control for Optimal Performance. Options include: 1, Without Inflow Controller; 2, Standard Inflow Controller; 4, 3-Way Flow Controllers for both Inlet and Outlet (ideal for N 3/3-Way Valve); 5, Strengthened Inflow Controller; 8, Pre-Selectable;
(10) Valve Core Function Symbols: L, M, F, H, J, B, R, O, N; Comprehensive Symbols to Suit Diverse Applications.
(11) Output Flow Code for Ports A & B: Offering Maximum Output Flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); Crafted for Precision Flow Management.
(12) Secondary Pressure Limitation Options: N, No Pressure Limiting Protection; C, Limit the Pressure of Actuator Ports A & B Simultaneously; A---B---, Limit the Pressure of Actuator Ports A & B Separately, Unit (bar); For Robust Pressure Control.
(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; Enabling Seamless Operation and Safety.
(14) Operation Modes: A(1,2), Manual Operation with Long Handle (1=Without Handle, 2=With Short Handle); E, Electric Proportional Control; EA(1,2), Electric Proportional Control and Manual Operation (1=Without Handle, 2=With Short Handle); D, Electric Switching Value Control; DA(1,2), Electric Switching Value Control and Manual Operation (1=Without Handle, 2=With Short Handle); M, Manual Friction Positioning with Long Handle; H, Pure Hydraulic Control (Two Pilot Oil Ports Align with Oil Ports A and B); F, Pure Hydraulic Control (Two Pilot Oil Ports are Perpendicular to Oil Ports A and B and Outward Respectively); Innovative Solutions for Every Control Need.
(15) Ancillary Block Port Sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Perfectly Sized for Seamless Integration.
(16) End Plate Options: E1, Standard End Plate, External Discharge of Pilot Oil, Connecting Oil Return Control Port T Externally; E2, Similar to E1, External Discharge of Pilot Oil, Port Y is Additionally Attached; E3, External Discharge of Pilot Oil, a 2-Position 3-Way Magnetic Ball Valve is Mounted; In Power Supply Scenarios, the System Pressure Rises to the Safety Valve Pressure; Comprehensive Options for Tailored System Discharge Solutions.
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; Designed for Secure and Efficient System Operations.
(17) Control Voltage and the Length of Anti-Explosion Type Cable Options: G12-12VDC; Offering Vital Compatibility and Safety.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G124d2b05c1
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the Advanced Load Sensitive Valve for Hydraulic Control and Efficiency, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing 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 resolute 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 benchmarks of excellence worldwide.
Customer Inquiry:1. What about the lead time?
Our Response: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.
Customer Inquiry:2. Do you have any MOQ limit for LED light orders?
Our Response: 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.
Customer Inquiry:3. How to proceed with an order for LED lights?
Our Response: 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.
Customer Inquiry:4. Is it OK to print my logo on the product?
Our Response: 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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