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 key for consistent and reliable performance.;
HLPSV: Variable Displacement Pump - Offering adaptability at its finest.;
(2) Connection Block Ports P & R Specifications - Precision and reliability you can trust::
2-G3/8; Compact and highly efficient.
3-G1/2; Reliable and robust for all conditions.;
4-G3/4; Advanced connectivity solutions.;
5, 55-G1; Ensuring superior flow rate.;
6-G1 1/4; Providing unmatched performance.;
(3) Additional Components and Specifications - Enhancing overall system capabilities::
C,Standard Type - A dependable baseline for all operations.;
G,Throttle Valve (For HLPSL only) - Ensuring precision control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizing flow management.;
(4) Pilot Oil Circuit Pressure Options - Fully customizable pressure control:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored to meet your specific needs.
(5) 2/2-Way Magnetic Ball Valve for System Unloading - Streamlining 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; Advanced safety measures included.
(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); Providing optimal pressure control.
(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 become a beacon of innovation and excellence in the hydraulic industry. As an esteemed subsidiary of the China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise. We specialize in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Being designated as a national 'specialized, refined, and innovative' small giant enterprise underscores our commitment to technological advancement and superior quality. This relentless dedication places us at the forefront of our field.
Our flagship product, the Hawe Psv Type Proportional Valve, represents the pinnacle of advanced hydraulic system control. Expertly designed for construction machinery and heavy-duty equipment, this versatile component is essential for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on our strategic collaborations with leading domestic manufacturers, playing a critical 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 committed to delivering exceptional products, services, and solutions. Our mission is to become a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Customer Inquiry:1. What about the lead time?
Expert Response:The standard lead time for our production process is approximately one month from the date of payment receipt. This duration allows us to conduct thorough preparations and implement rigorous quality control protocols. Every aspect is meticulously managed to guarantee that your products are delivered with impeccable precision.
Customer Inquiry:2. Do you have any MOQ limit for LED light orders?
Expert Response: We offer a remarkably low minimum order quantity, giving you the flexibility to order even a single unit for sample evaluation. This approach ensures that your unique requirements are effortlessly met, facilitating a smooth initiation of your projects.
Customer Inquiry:3. How to proceed with an order for LED lights?
Expert Response: Commence by communicating your detailed requirements or applications to us. We will then provide a tailored quote based on your specifications or our professional recommendations. Upon your confirmation of the drawings and placement of a deposit, we will finalize the order and initiate production. Every detail will be meticulously adhered to, ensuring a seamless and customized 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.
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Expert Response: Absolutely, this is feasible. Simply provide us with formal notification before the commencement of production and confirm the design based on the sample we offer. This guarantees that your branding is represented with the highest level of precision and quality.
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