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 - Key for consistent performance, ensuring seamless and reliable operations in diverse applications.;
HLPSV: Variable Displacement Pump - Adaptability at its finest, offering versatility to cater to dynamic flow requirements.;
(2) Connection Block Ports P & R Specifications - Precision you can trust, meticulously crafted for excellence::
2-G3/8; Compact and efficient, a perfect blend of size and functionality.
3-G1/2; Reliable and robust, assuring steadfast connections in demanding environments.;
4-G3/4; Advanced connectivity, designed for superior integration.;
5, 55-G1; Superior flow rate, enabling efficient system throughput.;
6-G1 1/4; Unmatched performance, providing exceptional operational capabilities.;
(3) Additional Components and Specifications - Enhancing system capabilities with these expertly designed elements::
C,Standard Type - Dependable baseline, ensuring the fundamental reliability of the system.;
G,Throttle Valve (For HLPSL only) - Precision control, allowing for finely tuned adjustments.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management, maximizing efficiency and control.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control, tailored to precisely meet your operational demands:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your needs, offering flexibility in pressure management.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency, a pivotal component for optimizing system performance: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; Advanced safety measures, ensuring secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Settings available at 63, 120, 210, 280, 315, 350, 400 bar; /NF: No pressure limiting valve (HLPSV only); Ensuring optimal pressure control, finely tuned to enhance performance.
(7) Product Series Classification - Identifying Excellence: Delve into the distinguished series of Jiangsu KM Hydraulic Control System Co., Ltd. These series are the epitome of innovation and functionality.;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously tailored to meet the diverse needs of every application, ensuring unmatched performance and reliability.
(8)Thread Size of Directional Spool Valve Ports A & B: Discover the precision in every thread size, designed for seamless integration and maximum efficiency.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; Expert engineering in every thread size ensures adaptability and durability across all environments.
(9)Directional Valve Block Inflow Controller Options: 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; Choose the perfect controller to elevate your hydraulic system's efficiency and precision.
(10) Valve Core Function Symbols: L, M, F, H, J, B, R, O, N; Tailor your operations with a vast array of core functions, each symbol representing a distinct capability.
(11) Output Flow Code for Ports A & B: Available Maximum Output Flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); Optimize flow with our extensive range of output options, designed for every scale of operation.
(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); Choose from a variety of pressure limitations to enhance safety and performance.
(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; Customize your system with advanced function ON/OFF and pressure outlet options for superior control.
(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); Select the mode that suits your needs, offering a plethora of options from manual to sophisticated electric and hydraulic controls for absolute flexibility.
(15) Ancillary Block Port Sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Explore the variety of port sizes that ensure seamless connectivity and functionality across different systems.
(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; Secure your hydraulic systems with diverse end plate options, engineered for excellence and reliability.
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; Each option is crafted to ensure performance and safety in varied operational environments.
(17) Control Voltage and the Length of Anti-Explosion Type Cable Options: G12-12VDC; Adapt to your power needs with our versatile control voltage options, featuring anti-explosion cables for enhanced safety.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G123d8c99f0
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 Load Sensitive Valve with Proportional Control for Enhanced 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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