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 cornerstone of consistent and reliable performance, empowering your operations with steadfast efficiency.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility at its finest to meet dynamic operational demands.;
(2) Connection Block Ports P & R Specifications - Precision and reliability you can trust::
2-G3/8; Compact and efficient for streamlined operations, ensuring flawless integration.
3-G1/2; Robust and dependable, offering enduring performance in diverse conditions.;
4-G3/4; Advanced connectivity for superior control, facilitating seamless command over systems.;
5, 55-G1; Offering a superior flow rate for high-demand applications, ensuring optimal throughput.;
6-G1 1/4; Delivering unmatched performance in the field, engineered for excellence.;
(3) Additional Components and Specifications - Elevating system capabilities through innovative engineering::
C,Standard Type - A dependable baseline for your needs, foundational yet efficient.;
G,Throttle Valve (For HLPSL only) - Precision control guaranteed, expertly crafted for optimal performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Perfectly optimized flow management to enhance overall performance and efficiency.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored for various applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Custom solutions expertly crafted to meet specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency and control, enhancing operational dexterity:C - No magnetic ball valve; F - Normally open magnetic ball valve, efficiently pressurizes pump when powered, seamlessly unloads pump when unpowered; D - Normally closed magnetic ball valve, adeptly unloads pump when powered, effectively pressurizes when unpowered;D/F - With pressure limiting valve for secondary pressure (F50) with specified pressure value; Advanced safety measures meticulously designed for secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Offering adjustable settings at remarkable pressures of 63, 120, 210, 280, 315, 350, and 400 bar; /NF: No pressure limiting valve (exclusive to HLPSV only); Guaranteeing exceptional pressure management across diverse scenarios.
(7) Product Series Classification - Unveiling excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Meticulously 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 inlet and outlet (perfect for N 3/3-way valve); 5, enhanced 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: Enabling 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, simultaneous pressure limit for actuator ports A & B; A---B---, separate pressure limit for actuator ports A & B, 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 with manual operation (1=without handle, 2=with short handle); D, electric switching value control; DA(1,2), electric switching value control with 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, connect oil return control port T externally; E2, like 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; during power supply scenarios, system pressure rises to safety valve pressure;
E4, akin to E1, internal discharge of pilot oil, port T can be sealed; E5, akin to E2, internal discharge of pilot oil, port T can be sealed; E6, akin 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 been a beacon of innovation and a paragon of excellence within the hydraulic industry. As a revered subsidiary under the prestigious umbrella of the China Baoan Group (stock code: 000009), we take pride in our status as a renowned national high-tech enterprise. Our specialty is in the intricate research, development, manufacturing, and sales of superior hydraulic components. Honored as a national 'specialized, refined, and innovative' small giant enterprise, we are steadfast in our commitment to technological prowess and quality supremacy. This unwavering dedication solidifies our standing as leaders in our domain.
Our foremost product, the load-sensitive proportional valve, stands as a testament to state-of-the-art hydraulic system control. Meticulously crafted for construction machinery and robust equipment, this adaptable component is indispensable for critical applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with numerous leading domestic manufacturers, playing an essential role in the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain unwavering in our commitment to providing unparalleled products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence on the world stage.
Question:1. What about the lead time?
Answer: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.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: 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.
Question:3. How to proceed with an order for LED lights?
Answer: 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.
Question:4. Is it OK to print my logo on the product?
Answer: 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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