Introducing the revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a hallmark of advanced engineering. These innovative marvels unify pressure, flow, and directional control, ensuring exceptional performance and reliability. Comprised of three critical modules - connecting blocks, directional valves, and end plates - these valves are precisely designed for integration into elite hydraulic systems, essential in high-caliber engineering machinery. Their proficiency in controlling the movement direction and speed of hydraulic cylinders, motors, and other actuators ensures unmatched precision and command. Key features include a compact design, superior energy efficiency, and seamless stepless speed control. Moreover, they allow for multiple actuators to function simultaneously under diverse loads, offering unprecedented performance and flexibility across various applications.
The HLPSL valves are precisely tailored for constant displacement pump systems, ensuring steadfast reliability. Conversely, the HLPSV valves are engineered specifically for variable pump systems. While HLPSV valves may have a marginally slower response time, they are unrivaled in delivering superior energy-saving performance, making them the optimal choice for applications prioritizing efficiency. With their state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the ultimate solution for cutting-edge 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 of consistent performance.;
HLPSV: Variable Displacement Pump - Excellence in adaptability.;
(2) Connection Block Ports P & R Specifications - Precision you can trust::
2-G3/8; Compact and highly efficient.
3-G1/2; Reliable and robust.;
4-G3/4; Advanced connectivity for superior performance.;
5, 55-G1; Exceptional flow rate.;
6-G1 1/4; Unmatched operational performance.;
(3) Additional Components and Specifications - Enhancing system capabilities::
C,Standard Type - Your dependable baseline.;
G,Throttle Valve (For HLPSL only) - Precision control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored to meet your needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - 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; 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); Ensuring 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 establishment in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has revolutionized the hydraulic industry with unparalleled innovation and excellence. As a proud subsidiary of the renowned China Baoan Group (stock code: 000009), we are recognized as a premier national high-tech enterprise. Our specialization encompasses comprehensive research, development, manufacturing, and sales of top-tier hydraulic components. Our distinguished status as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast commitment to technological advancement and exceptional quality. This unwavering dedication firmly positions us as industry leaders.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Meticulously designed for construction machinery and heavy-duty equipment, this indispensable component is crucial for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic partnerships with numerous leading domestic manufacturers, significantly contributing to the localization of 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 unwavering in our commitment to providing exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, setting new excellence standards worldwide.
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.
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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.
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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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