Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true marvel of engineering! These innovative solutions seamlessly unite pressure, flow, and directional control into a cohesive and harmonious unit, ensuring remarkable performance and unwavering reliability. Typically comprised of three essential functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously designed for seamless integration into premium hydraulic systems, serving as the cornerstone in elite engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched accuracy and control. Notable highlights include a compact structure, exceptional energy efficiency, and the capacity for stepless speed control. Moreover, they empower multiple actuators to function concurrently under diverse loads, offering unrivaled performance and adaptability for any application.
The HLPSL valves are precisely crafted for constant displacement pump systems, guaranteeing steadfast and reliable operation. In contrast, the HLPSV valves are ingeniously engineered for variable pump systems. Although HLPSV valves may demonstrate a slightly slower response time, they truly excel in delivering remarkable energy-saving performance, making them the ultimate choice for applications where efficiency takes precedence. With their state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the premier solution for advanced 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 key to consistent and reliable performance. Harness the power of steadfast efficiency.;
HLPSV: Variable Displacement Pump - Adaptability and flexibility at its finest. Experience customized versatility.;
(2) Connection Block Ports P & R Specifications - Precision and reliability you can trust::
2-G3/8; Compact and efficient for streamlined operations. Ideal for seamless integration.
3-G1/2; Robust and dependable. Built for enduring strength.;
4-G3/4; Advanced connectivity for superior control. Unleash exceptional handling capabilities.;
5, 55-G1; Offering a superior flow rate for high-demand applications. Deliver high-intensity performance.;
6-G1 1/4; Delivering unmatched performance in the field. The epitome of excellence.;
(3) Additional Components and Specifications - Elevating system capabilities::
C,Standard Type - A dependable baseline for your needs. Reliable foundation for enduring success.;
G,Throttle Valve (For HLPSL only) - Ensuring precision control. Perfect control for specialized needs.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management to enhance performance. Streamlined excellence for superior functionality.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control for various applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions for your specific needs. Flexibility and precision in pressure management.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency and control: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 for secure operations. Enhanced security and operational integrity.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With a range of adjustable settings including 63, 120, 210, 280, 315, 350, 400 bar, our valve ensures precision and adaptability. Or opt for the NF model, which comes without a pressure limiting valve (applicable to HLPSV only). This guarantees optimal pressure management tailored for diverse applications.
(7) Product Series Classification - A testament to unparalleled excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to meet unique application requirements.
(8)Thread size for directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring A, an ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve for seamless integration.
(9)Directional valve block inflow controller options: Choose from 1, without inflow controller, to 2, standard inflow controller. For enhanced control, select 4, a 3-way flow controller for both inlet and outlet, perfect for the N 3/3-way valve; 5, a strengthened inflow controller; or 8, pre-selectable options to suit your operational needs.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; a wide array of functions to meet specific hydraulic requirements.
(11) Output flow code for ports A & B: Maximum output flows available in options of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 liters per minute, ensuring the perfect match for your output demands.
(12) Secondary pressure limitation options: N, for no pressure limiting protection; C, to limit the pressure of actuator ports A & B simultaneously; and A---B---, to limit the pressure of actuator ports A & B separately, all customizable to 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, each providing versatile and controlled pressure options.
(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), offering a spectrum of configurations to suit your operational preferences.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; facilitating a broad range of connection requirements.
(16) End plate options: E1, standard end plate, ensures external discharge of pilot oil and connects oil return control port T externally; E2, similar design, also includes external discharge of pilot oil with an added port Y; E3, offers external discharge of pilot oil with a 2-position 3-way magnetic ball valve, allowing the system pressure to rise to the safety valve pressure during power supply scenarios;
E4, similar to E1 with internal discharge of pilot oil, port T can be sealed; E5, akin to E2, features internal discharge of pilot oil with the option to seal port T; E6, mirrors E3, provides internal discharge of pilot oil, with port T sealable, each tailored for specific operational needs.
(17) Control voltage and the length of anti-explosion type cable options: G12-12VDC;G24 - This robust 24VDC option is engineered to withstand demanding environments;the perfect choice for safety and reliability in harsh conditions;24VDC; G24Ex-3m-24VDC, featuring a 3-meter explosion-proof design; G12Ex-3m-12VDC, offering 12V with enhanced safety; G24MA-3m-24VDC; G12 - Ideal for applications requiring 12VDC, ensuring consistent performance;bb621436
Embarking on a transformative journey since 2009, Jiangsu KM Hydraulic Control System Co., Ltd. emerges as a beacon of innovation and superior craftsmanship in the hydraulic industry. As a prestigious arm of the illustrious China Baoan Group (stock code: 000009), we proudly uphold our status as a national high-tech enterprise. Our specialization in the rigorous research, groundbreaking development, precision manufacturing, and strategic sales of top-tier hydraulic components sets us apart. Our recognition as a national 'specialized, refined, and innovative' small giant enterprise highlights our steadfast dedication to technological progression and unmatched quality. This unwavering pursuit propels us to the forefront of our industry.
Our signature offering, the load-sensitive proportional valve, stands as the zenith of cutting-edge hydraulic system control technology. Skillfully designed for construction machinery and heavy-duty apparatus, this adaptable component is indispensable for critical operations including emergency rescues, tunnel engineering, mining ventures, and municipal service fleets. We take profound pride in our strategic alliances with numerous top-tier domestic manufacturers, significantly contributing to the localization of core hydraulic components for elite mechanical equipment. Guided by our foundational ethos-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our dedication to delivering remarkable products, unparalleled services, and innovative solutions. Our ambition is to elevate ourselves as a globally trusted provider 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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