Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a marvel of engineering innovation. Seamlessly integrating pressure, flow, and directional control into a singular harmonious unit, these valves promise unmatched performance and reliability. Typically crafted with precision, they comprise three essential functional modules - connecting blocks, directional valves, and end plates - ensuring seamless incorporation into high-end hydraulic systems. Crucial for top-tier engineering machinery, they expertly control the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering precision and control like never before. Key highlights include a compact structure, superior energy efficiency, and impressive stepless speed control. Additionally, they offer the unique capability for multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility across a multitude of applications.
The HLPSL valves are meticulously designed for constant displacement pump systems, ensuring steadfast and reliable operation. In contrast, the HLPSV valves are masterfully engineered for variable pump systems. While they may exhibit a slightly slower response time, HLPSV valves excel with their exceptional energy-saving performance, making them the ultimate choice for applications where efficiency reigns supreme. With their cutting-edge engineering and energy-efficient design, HLPSV valves rise as the premier solution for advanced hydraulic control needs, fulfilling the most demanding requirements with unparalleled competence.
| 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 - The backbone of your system's reliability:
HLPSL: Constant Displacement Pump - This is pivotal for maintaining consistent and optimal performance throughout the operation.;
HLPSV: Variable Displacement Pump - Experience unparalleled adaptability and efficiency, exactly when you need it.;
(2) Connection Block Ports P & R Specifications - Crafted for precision and reliability::
2-G3/8; This size offers compactness paired with superior efficiency.
3-G1/2; Known for its reliability and robustness, ensuring lasting performance.;
4-G3/4; Provides advanced connectivity options for diverse applications.;
5, 55-G1; Guarantees a superior flow rate for high-demand situations.;
6-G1 1/4; Offers unmatched performance for demanding tasks.;
(3) Additional Components and Specifications - Elevating your system's capabilities to new heights::
C,Standard Type - A dependable baseline for foundational system integrity.;
G,Throttle Valve (For HLPSL only) - Delivers precision control for refined performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management that ensures efficiency.;
(4) Pilot Oil Circuit Pressure Options - Tailor your pressure control to suit specific needs and applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each option is tailored specifically for varying operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency and adaptability: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. . , Equipped with a pressure limiting valve for secondary pressure (F50) with specified pressure value; providing advanced safety measures for your peace of mind.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Adjust settings available at 63, 120, 210, 280, 315, 350, 400 bar; /NF: No pressure limiting valve (HLPSV only); Ensuring optimal pressure control and peak performance.
(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; G123d8c99f0
Established in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has become 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 hailed as a prestigious national high-tech enterprise. Specializing in the precise research, development, manufacturing, and sales of superior hydraulic components, we have earned the honorable title of a national 'specialized, refined, and innovative' small giant enterprise. This accolade is a testament to our relentless pursuit of technological advancement and unparalleled quality. Our unwavering dedication propels us to the forefront of our industry.
Our signature load-sensitive proportional valve represents the zenith of hydraulic system control technology. Masterfully designed for use in construction machinery and heavy-duty equipment, this indispensable component is crucial for high-demand applications such as emergency rescue, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic partnerships with numerous leading domestic manufacturers, contributing significantly to the localization of core hydraulic components for premium mechanical equipment. Our guiding philosophy- 'serving customers with technology, impressing with our attitude, and retaining with quality'-drives our unwavering commitment to providing exceptional products, services, and solutions. Our vision is to rise as a globally trusted supplier of elite hydraulic components, establishing new standards of excellence worldwide.
Customer Inquiry:1. What about the lead time?
Our Response: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.
Customer Inquiry:2. Do you have any MOQ limit for LED light orders?
Our Response: 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.
Customer Inquiry:3. How to proceed with an order for LED lights?
Our Response: 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.
Customer Inquiry:4. Is it OK to print my logo on the product?
Our Response: 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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