Introducing our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These engineering marvels seamlessly combine pressure, flow, and directional control into a single, integrated unit, ensuring unmatched reliability and performance. Meticulously crafted, these valves are composed of three essential functional modules-connecting blocks, directional valves, and end plates-designed for inclusion in top-tier hydraulic systems that are crucial to high-end engineering machinery. They precisely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Key features include a compact structure, outstanding energy efficiency, and the ability for stepless speed control. Additionally, they enable multiple actuators to function concurrently under varying loads, offering exceptional performance and versatility for all applications.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring steadfast and reliable operation. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may present a slightly slower response time, they excel in delivering remarkable energy-saving performance, positioning them as the ultimate choice where efficiency is critical. With their state-of-the-art engineering and energy-conserving design, HLPSV valves stand as the premier solution for sophisticated 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 for reliable and consistent performance.;
HLPSV: Variable Displacement Pump - Experience adaptability at its absolute finest.;
(2) Connection Block Ports P & R Specifications - Precision you can trust::
2-G3/8; Compact, efficient, and perfect for streamlined operations.
3-G1/2; Reliable, robust, and built to last.;
4-G3/4; Designed for advanced connectivity and seamless integration.;
5, 55-G1; Ensures superior flow rate and exceptional performance.;
6-G1 1/4; Guarantees unmatched performance and reliability.;
(3) Additional Components and Specifications - Boosting your system's capabilities::
C,Standard Type - Your dependable baseline for success.;
G,Throttle Valve (For HLPSL only) - Delivering precise control with every operation.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized to manage flow seamlessly.;
(4) Pilot Oil Circuit Pressure Options - Tailor pressure control to your precise needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Designed to meet your specific demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency: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; Incorporating advanced safety measures.
(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); Guaranteeing optimal pressure control.
(7) Product Series Classification - Unveiling the Essence of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Engineered for Every Unique Application.
(8)Thread Size for Directional Spool Valve Ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including Ancillary Blocks or Intermediate Transition Blocks like ZPL 5S(V)/H Hydraulic Control Shut-Off Valve;
(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 (Perfect 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;
(11) Output Flow Code for Ports A & B: Maximum Output Flow Capacities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary Pressure Limitation Options: N, No Pressure Limiting Protection; C, Limit Pressure for Actuator Ports A & B Simultaneously; A---B---, Independently Limit Pressure for Actuator Ports, Unit (bar);
(13) Function ON/OFF and Pressure Outlet Options: N, No 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;
(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);
(15) Ancillary Block Port Sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1;
(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, 2-Position 3-Way Magnetic Ball Valve Mounted; Under Power Supply, System Pressure Rises to Safety Valve Pressure;
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 Length of Anti-Explosion Type Cable Options: G12-12VDC;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 proportional valve, 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.
){kind=link}