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: A breakdown of key components for optimal performance and adaptability.
HLPSL: Constant Displacement Pump - Ensures consistent performance and reliability.;
HLPSV: Variable Displacement Pump - Showcases adaptability at its finest, catering to diverse needs.;
(2) Connection Block Ports P & R Specifications - Precision engineering for dependable operations::
2-G3/8; Compact design, ensuring efficient use of space.
3-G1/2; Known for reliability and robustness.;
4-G3/4; Facilitates advanced connectivity.;
5, 55-G1; Provides superior flow rate, maximizing efficiency.;
6-G1 1/4; Offers unmatched performance for demanding applications.;
(3) Additional Components and Specifications - Enhancing system capabilities with versatile options::
C,Standard Type - A dependable baseline component.;
G,Throttle Valve (For HLPSL only) - Offers precision control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management.;
(4) Pilot Oil Circuit Pressure Options - Customize your pressure control for optimal results:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions to meet specific requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency and advanced safety: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 - offering enhanced control and safety measures../F. . , With pressure limiting valve for secondary pressure (F50) with specified pressure value; Ensures advanced safety.
(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 and adaptability.
(7) Product Series Classification - A Mark of 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, reinforced 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 Flows Available: 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 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 been a beacon of innovation and excellence in the hydraulic industry. As a proud subsidiary of the renowned China Baoan Group (stock code: 000009), we are a distinguished national high-tech enterprise. Our specialization in meticulous research, development, manufacturing, and sales of premium hydraulic components has earned us the prestigious designation of a national 'specialized, refined, and innovative' small giant enterprise. This accolade is a testament to our unwavering commitment to technological advancement and superior quality, positioning us as true leaders in our field.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Expertly designed for construction machinery and heavy-duty equipment, this versatile component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with leading domestic manufacturers, which play a crucial 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 steadfast in our commitment to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence worldwide.
Customer Inquiry:1. What about the lead time?
Response:Our standard lead time for production is typically one month from the receipt of payment. This timeframe allows us to meticulously prepare and implement stringent quality control measures. Every aspect is attended to with precision, ensuring that your products are delivered flawlessly and on schedule.
Customer Inquiry:2. Do you have any MOQ limit for LED light orders?
Response: We provide an exceptionally low minimum order quantity, granting you the flexibility to order even a single piece for sample evaluation. This ensures that your specific requirements are met perfectly, facilitating a smooth start to your projects.
Customer Inquiry:3. How to proceed with an order for LED lights?
Response: To begin, inform us of your detailed requirements or the intended application. We will then provide a customized quote tailored to your needs or based on our expert recommendations. Upon confirmation of the drawings and receipt of your deposit, we will formalize the order and initiate production. Every 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. Simply inform us formally before production begins and approve the design based on the sample we provide. This procedure ensures your branding is represented with the utmost precision and quality, perfectly reflecting your brand identity.
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