Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels are the epitome of innovation, seamlessly integrating pressure, flow, and directional control into a single, harmonious unit, thereby 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, serving as pivotal components 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 of these valves include a compact structure, superior energy efficiency, and the capability for stepless speed control. Moreover, they enable multiple actuators to operate simultaneously under varying loads, providing an unrivaled level of performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, guaranteeing 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. This makes them the ultimate choice for applications where efficiency is of utmost importance. 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 - A cornerstone for consistent and unwavering performance, ensuring your operations never miss a beat.;
HLPSV: Variable Displacement Pump - The embodiment of adaptability, offering peak performance tailored to every demand.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust, built to elevate your expectations::
2-G3/8; Compact in its design yet unmatched in efficiency and reliability, driving your success.
3-G1/2; Renowned for both reliability and robustness, ensuring steadfast performance in all conditions.;
4-G3/4; Advanced connectivity unleashing superior performance and control.;
5, 55-G1; An exceptional flow rate that ensures optimal fluid dynamics, propelling your operations.;
6-G1 1/4; Peerless in performance and reliability, marking a new standard in hydraulic systems.;
(3) Additional Components and Specifications - Elevating your system's capabilities to unprecedented heights::
C,Standard Type - A dependable baseline, perfectly crafted for every application need.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control, mastering every fluid dynamic.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Expertly optimized flow management and efficiency.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control, tailored to meet your unique specifications and requirements:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Meticulously tailored for your exact needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness, redefining system excellence: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; Pioneering advanced safety measures with cutting-edge technology.
(6) Experience the precision of the Tool Adjustable, Pressure Limiting Valve within the Connection Block. Fine-tune your settings at an array of options: 63, 120, 210, 280, 315, 350, and 400 bar. Enjoy the peace of mind with the /NF option: No pressure limiting valve (HLPSV exclusive), all while ensuring unmatched pressure control and elevated safety standards.
(7) Product Series Classification - Embodying top-tier excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Meticulously crafted to meet the unique demands of every application.
(8)Thread size of directional spool valve ports A & B: Precision-defined: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)Explore the Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for seamless control of both inlet and outlet (perfect for N 3/3-way valve); 5, strengthened inflow controller for robust performance; 8, pre-selectable for flexible adaptability;
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; Each symbol represents a unique function to cater to diverse operational needs.
(11) Decipher the Output flow code for ports A & B: Unleash potential with 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, simultaneously limit the pressure of actuator ports A & B; A---B---, selectively 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) Discover versatile Operation modes: A(1,2), manual operation with customizable handle length (1=without handle, 2=with short handle); E, electric proportional control for precise adjustments; EA(1,2), electric proportional control combined with manual operation flexibility (1=without handle, 2=with short handle); D, electric switching value control for adaptable use; DA(1,2), electric switching value control with manual operation options (1=without handle, 2=with short handle); M, manual friction positioning with ergonomic long handle; H, pure hydraulic control with two pilot oil ports aligned with oil ports A and B; F, pure hydraulic control with perpendicular pilot oil ports, extending outward respectively;
(15) Ancillary block port sizes: Customize with: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1;
(16) End plate options for enhanced operational efficiency: E1, standard end plate with external discharge of pilot oil, enabling connection of oil return control port T externally; E2, akin to E1 with additional port Y attachment; E3, featuring external discharge of pilot oil with a 2-position 3-way magnetic ball valve mounted; under power supply conditions, the system pressure ascends to the safety valve pressure;
E4, similar to E1 but with internal discharge of pilot oil, with the option to seal port T; E5, akin to E2 with internal discharge and sealable port T; E6, mirroring E3 with internal discharge and the ability to seal port T;
(17) Control voltage coupled with anti-explosion cable length options: G12-12VDC; Choose the ideal setup for your safety requirements.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 illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic collaborations with numerous leading domestic manufacturers, playing 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 are resolute in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence 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.
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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