Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels harmoniously merge pressure, flow, and directional control into one unit, ensuring unparalleled performance and reliability. Composed of three vital functional modules: connecting blocks, directional valves, and end plates, these valves are crafted with precision for integration into high-end hydraulic systems, essential for premium engineering machinery. They expertly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key features include a compact structure, outstanding energy efficiency, and the ability for seamless speed control. Moreover, they allow multiple actuators to function concurrently under varying loads, offering exceptional performance and adaptability for any application.
The HLPSL valves are precisely customized for constant displacement pump systems, ensuring consistent and reliable operation. In contrast, the HLPSV valves are ingeniously designed for variable pump systems. While HLPSV valves may demonstrate a slightly slower response time, they excel in providing remarkable energy-saving performance, making them the optimal choice for applications where efficiency is crucial. With their state-of-the-art engineering and energy-efficient design, HLPSV valves stand out as the top-tier solution for sophisticated 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 - A cornerstone for consistent performance, ensuring unwavering efficiency.;
HLPSV: Variable Displacement Pump - The epitome of adaptability, providing flexibility for diverse applications.;
(2) Connection Block Ports P & R Specifications - Precision you can trust, meticulously crafted::
2-G3/8; Designed for compact efficiency, aligning with modern demands.
3-G1/2; A beacon of reliability and robustness.;
4-G3/4; Facilitating advanced connectivity for enhanced performance.;
5, 55-G1; Delivering superior flow rates effortlessly.;
6-G1 1/4; Exemplifying unmatched performance, setting a new standard.;
(3) Additional Components and Specifications - Elevating system capabilities::
C,Standard Type - The dependable baseline for varied applications.;
G,Throttle Valve (For HLPSL only) - Precision control to fine-tune operations.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterful flow management.;
(4) Pilot Oil Circuit Pressure Options - Offering customizable pressure control to suit your needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Crafted for your specific requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring 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; Incorporating advanced safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Available settings at 63, 120, 210, 280, 315, 350, 400 bar; /NF: No pressure limiting valve (HLPSV only); Ensuring optimal pressure control throughout.
(7) Product Series Classification - Embark on a journey to identify excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Meticulously tailored to meet every unique application.
(8)Thread size for 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 (perfectly suited for N 3/3-way valve); 5, strengthened inflow controller for enhanced performance; 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: Experience 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, measured in units of (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) Comprehensive operation modes: A(1,2), manual operation with long handle (1=without handle, 2=with short handle); E, electric proportional control for precision; EA(1,2), a blend of 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, coupled with manual operation (1=without handle, 2=with short handle); M, manual friction positioning with a long handle for stability; H, pure hydraulic control (aligning two pilot oil ports 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) Tailored ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1;
(16) A range of end plate options: E1, standard end plate, with external discharge of pilot oil, connecting oil return control port T externally; E2, akin to E1, with external discharge of pilot oil, additional port Y attachment; E3, external discharge of pilot oil, equipped with a 2-position 3-way magnetic ball valve; in power supply scenarios, the system pressure rises to the safety valve pressure;
E4, echoing E1, featuring internal discharge of pilot oil, and port T can be sealed; E5, similar to E2, embracing internal discharge of pilot oil, sealable port T; E6, reminiscent of E3, with internal discharge of pilot oil, and port T can be sealed;
(17) Control voltage and anti-explosion type cable options: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G123d8c99f0
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation, illuminating the hydraulic industry landscape with groundbreaking technologies and an unwavering dedication to excellence. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our domain of expertise encompasses the intricate research, development, manufacturing, and sales of premium hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise underscores our steadfast commitment to technological advancement and unmatched quality. This relentless dedication ensures our position as pioneers and leaders within our field.
Our flagship product, the load-sensitive proportional valve, represents the pinnacle of advanced hydraulic system control. Expertly designed for construction machinery and heavy-duty equipment, this versatile component plays an indispensable role in high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic alliances with numerous leading domestic manufacturers, wherein we assume a pivotal 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 steadfastly commit 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 in the international arena.
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.
){kind=link}