Introducing our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These remarkable feats of engineering effortlessly combine pressure, flow, and directional control into one cohesive and seamless unit, ensuring unmatched reliability and performance. Typically constructed with three critical functional modules - connecting blocks, directional valves, and end plates - our valves are meticulously designed for integration into premium hydraulic systems, playing a crucial role in elite engineering machinery. They precisely control the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering extraordinary precision and control. Key features include a compact structure, exceptional energy efficiency, and the ability for stepless speed control. Moreover, they empower multiple actuators to operate concurrently under varying loads, delivering unmatched performance and adaptability for any application.
The HLPSL valves are expertly designed for constant displacement pump systems, ensuring consistent and dependable operation. On the other hand, the HLPSV valves are meticulously crafted for variable pump systems. While the HLPSV valves might present a slightly slower response time, they shine in delivering outstanding energy-saving performance, making them the optimal choice for applications where efficiency is of utmost importance. With their cutting-edge engineering and energy-efficient design, HLPSV valves stand out as the leading 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 - Unlocking the potential of precision engineering:
HLPSL: Constant Displacement Pump - The cornerstone of unwavering performance reliability.;
HLPSV: Variable Displacement Pump - The epitome of adaptability and precision.;
(2) Connection Block Ports P & R Specifications - Engineered for precision and dependable performance::
2-G3/8; Compact and efficient for streamlined operations.
3-G1/2; Robust and dependable.;
4-G3/4; Advanced connectivity for superior control.;
5, 55-G1; Offering a superior flow rate for high-demand applications.;
6-G1 1/4; Delivering unmatched performance in the field.;
(3) Additional Components and Specifications - Enhancing system capabilities for peak performance::
C,Standard Type - A reliable foundation for your operational needs.;
G,Throttle Valve (For HLPSL only) - Precision control at your fingertips.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management to elevate performance.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions for your specific needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Efficiency and control streamlined for 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; Enhanced safety measures for secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: With a range of adjustable settings available at 63, 120, 210, 280, 315, 350, and 400 bar, this precision tool is engineered to ensure optimal pressure control across a multitude of scenarios. Additionally, the /NF option signifies absence of a pressure-limiting valve, specifically for HLPSV applications, guaranteeing versatility in your hydraulic systems.
(7) Product Series Classification - Identifying excellence:;Meticulously crafted to cater to diverse applications, the series includes: -2 2 Series; -3 3 Series; -5 5 Series; Experience tailored excellence for every operational need.
(8)Thread size of directional spool valve ports A & B:2-GFeaturing robust thread sizes to accommodate your hydraulic requirements: 3/8; 3-G1/2; 4-G3/4; 5-G1; each enhanced by 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 a variety of inflow controller configurations: 1, without inflow controller for unimpeded flow; 2, the standard for optimal regulation; 4, offering 3-way flow controllers for both inlet and outlet, specifically ideal for N 3/3-way valve applications; 5, strengthened inflow controller for enhanced pressure management; 8, pre-selectable options for precise flow control.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N;
(11) Output flow code for ports A & B: Unleash the power of precision with maximum output flows available in 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 (L/min).
(12) Secondary pressure limitation options: Tailor your pressure control with: N, no pressure limiting protection for unrestricted performance; C, limit the pressure of actuator ports A & B simultaneously for synchronized control; A---B---, limit the pressure of actuator ports A & B separately for differentiated control, unit (bar).
(13) Function ON/OFF and pressure outlet options: N, without function ON/OFF and pressure outlet for continuous operation; X C type pressure limitation for advanced pressure regulation; S/S1 AB type pressure limitation for comprehensive control; A, electrical ON/OFF on side A for targeted management; B, electrical ON/OFF on side B for specific control.
(14) Operation modes: Explore versatile operation modes: A(1,2) for manual operation with options for long or short handle; E for electric proportional control delivering precision; EA(1,2) combines electric proportional control and manual operation for flexibility; D for electric switching value control; DA(1,2) merges electric and manual operations; M for manual friction positioning with long handle; H for pure hydraulic control with aligned ports; F for pure hydraulic control with perpendicular ports.
(15) Ancillary block port sizes: Comprehensive port size options ensure seamless connectivity: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; each designed for perfect integration into your system.
(16) End plate options: Customize your system's functionality with: E1, offering standard end plate, with external discharge of pilot oil, connecting oil return control port T externally; E2, similar to E1 but with an additional port Y; E3, featuring a 2-position 3-way magnetic ball valve for controlled pressure rise in power supply scenarios; E4 to E6, providing internal discharge options with sealable port T for tailored operations.
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 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.
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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.
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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