Presenting our state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These innovative engineering wonders harmoniously merge pressure, flow, and directional control into one cohesive unit, ensuring unmatched performance and reliability. Composed of three crucial modules - connecting blocks, directional valves, and end plates - these valves are expertly designed for the integration into elite hydraulic systems, playing a critical role in top-tier engineering machinery. They precisely manage the direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key features include a compact structure, exceptional energy efficiency, and the ability for seamless speed control. Moreover, they allow multiple actuators to function simultaneously under various loads, providing unmatched performance and versatility for any application.
The HLPSL valves are precisely tailored for constant displacement pump systems, ensuring steadfast and reliable operation. In contrast, the HLPSV valves are ingeniously engineered for variable pump systems. While HLPSV valves may have a slightly slower response time, they excel in providing outstanding energy-saving benefits, making them the ultimate choice for applications where efficiency is of utmost importance. With their cutting-edge 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 - A cornerstone for consistent and unwavering performance.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust::
2-G3/8; Compact in design, yet highly efficient.
3-G1/2; Renowned for reliability and robustness.;
4-G3/4; Advanced connectivity for superior performance.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics.;
6-G1 1/4; Unmatched in performance and reliability.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A dependable baseline for all applications.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your precise requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness: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.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Effortlessly adjust settings to 63, 120, 210, 280, 315, 350, or 400 bar for unbeatable pressure control and safety assurance. /NF: No pressure limiting valve (HLPSV only); ensuring flawless operation and reliable security.
(7) Product Series Classification - Unveiling a new standard of excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Expertly engineered to suit every application with precision.
(8)Thread size of directional spool valve ports A & B: Versatile and adaptable options include2-G3/8; 3-G1/2; 4-G3/4; 5-G1; plus the A, ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve; seamlessly incorporated for superior function.
(9)Directional valve block inflow controller options: Tailor your system with choices like 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for both inlet and outlet (perfect for N 3/3-way valve); 5, reinforced inflow controller; 8, pre-selectable; offering versatility in flow management.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; a comprehensive array of functions for a variety of applications.
(11) Output flow code for ports A & B: Choose from a wide range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); ensuring optimal performance and adaptability.
(12) Secondary pressure limitation options: Select from N, no pressure limiting protection; C, simultaneous pressure limitation on actuator ports A & B; A---B---, separate pressure limitation on actuator ports A & B, unit (bar); for precise pressure management.
(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, electronic ON/OFF on side A; B, electronic ON/OFF on side B; facilitating customizable function control.
(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 diverse modes to suit any operational requirement.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; providing flexibility and compatibility across diverse systems.
(16) End plate options: E1, standard end plate with external discharge of pilot oil, externally connects oil return control port T; E2, akin to E1, with port Y additionally attached; E3, features an external discharge of pilot oil, with a 2-position 3-way magnetic ball valve installed; elevates system pressure to the safety valve pressure during power supply;
E4, mirrors E1's function with internal discharge of pilot oil, port T can be sealed; E5, alike to E2, with internal discharge of pilot oil, port T sealable; E6, echoes E3's features with internal discharge of pilot oil, port T sealable; offering tailored solutions for precise application needs.
(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.
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.
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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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