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. Composed meticulously of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are crafted with precision for incorporation into high-end hydraulic systems, vital 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 - Unwavering performance for consistent operations.;
HLPSV: Variable Displacement Pump - Ultimate adaptability for various demands.;
(2) Connection Block Ports P & R Specifications - Precision engineered for reliability::
2-G3/8; Compact design with efficient performance.
3-G1/2; Robust and reliable for demanding applications.;
4-G3/4; Advanced connectivity for enhanced operations.;
5, 55-G1; Superior flow rate for optimal efficiency.;
6-G1 1/4; Unmatched performance for high-demand systems.;
(3) Additional Components and Specifications - Elevate your system's capabilities::
C,Standard Type - The dependable baseline for any system.;
G,Throttle Valve (For HLPSL only) - For precision control and fine-tuning.;
H,Fixed Differential Overflow Valve (~14 bar, HLPSL) - Optimized flow management for enhanced pressure control.;
(4) Pilot Oil Circuit Pressure Options - Customizable for tailored pressure control:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions for specific needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency for optimal 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 for enhanced operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Adjustable settings at 63, 120, 210, 280, 315, 350, 400 bar; /NF: No pressure limiting valve (HLPSV only); Ensuring precise pressure control for varied applications.
(7) Product Series Classification - Identifying Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Tailored for Every Application.
(8)Thread Size of Directional Spool Valve Ports A & B: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: 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;
(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);
(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);
(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;
(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, a 2-Position 3-Way Magnetic Ball Valve is Mounted; in Power Supply Scenarios, the System Pressure Rises to the 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 the Length of Anti-Explosion Type Cable Options: G12-12VDC;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 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?
Response:Our typical lead time for production is approximately one month after payment is received. This timeframe allows us to engage in meticulous preparation and enforce rigorous quality control measures. Every aspect is meticulously handled to ensure your products are delivered in perfect condition.
Customer Inquiry:2. Do you have any MOQ limit for LED light orders?
Response: We provide an extraordinarily low minimum order quantity, offering you the flexibility to order even a single piece for sample verification. This adaptability ensures your specific needs are precisely met, facilitating a smooth commencement of your projects.
Customer Inquiry:3. How to proceed with an order for LED lights?
Response: Begin by informing us of your detailed requirements or intended applications. We will then deliver a tailored quote based on your specifications or our expert recommendations. Upon confirmation of the drawings and receipt of your deposit, we will formalize the order and initiate production. Each specification will be meticulously adhered to, ensuring a seamless and bespoke 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?
Response: Absolutely, it is possible. Kindly inform us formally before production commences and confirm the design based on the sample we provide. This process ensures your branding is represented with the highest level of precision and quality.
){kind=link}