Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels seamlessly integrate pressure, flow, and directional control into a single, harmonious unit, 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, pivotal 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 include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under varying loads, providing unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring 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, making them the ultimate choice for applications where efficiency is paramount. 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 - The cornerstone of consistent and unwavering performance, ensuring seamless operations.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle, delivering unmatched versatility.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust, crafted for excellence::
2-G3/8; Ingeniously compact design paired with high efficiency.
3-G1/2; Esteemed for its reliability and robustness, a class apart.;
4-G3/4; Featuring advanced connectivity for superior performance.;
5, 55-G1; Offers exceptional flow rates to ensure optimal fluid dynamics.;
6-G1 1/4; Renowned for its unmatched performance and reliability.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A dependable baseline, versatile and reliable for all applications.;
G,Throttle Valve (For HLPSL only) - Delivers unparalleled precision control, fine-tuning to perfection.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management, ensuring efficiency.;
(4) Pilot Oil Circuit Pressure Options - Tailor pressure control to your specific needs with customizable solutions:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored precisely to meet your specific requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensures streamlined efficiency and effectiveness, pioneering operational excellence:C - No magnetic ball valve; F - Normally open magnetic ball valve, powers to pressurize pump, unloads when unpowered; D - Normally closed magnetic ball valve, unloads when powered, pressurizes when unpowered../F. . , Featuring pressure limiting valve for secondary pressure (F50) with precise pressure values; Setting new standards in advanced safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Introducing customizable settings at 63, 120, 210, 280, 315, 350, and up to 400 bar pressure; /NF: No pressure limiting valve (exclusive for HLPSV); Delivering unparalleled precision in pressure control and unwavering safety.
(7) Product Series Classification - Identifying excellence and innovation:;-2 2 Series; -3 3 Series; -5 5 Series; Each tailored to meet every unique application need with precision.
(8)Thread size of 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; Offering versatile connectivity options.
(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 (optimized for N 3/3-way valve); 5, strengthened inflow controller; 8, pre-selectable; Delivering customized fluid management solutions.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; Enhancing operational flexibility.
(11) Output flow code for ports A & B: Offering an impressive range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); Ensuring efficiency and performance.
(12) Secondary pressure limitation options: N, no pressure limiting protection; C, simultaneous pressure limit for actuator ports A & B; A---B---, separate pressure limit for actuator ports A & B, unit (bar); Providing security and reliability.
(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; Crafted for dynamic control.
(14) Operation modes: A(1,2), manual operation with options for long handle or short handle; E, electric proportional control; EA(1,2), combining electric proportional control with manual operation; D, electric switching value control; DA(1,2), integrating electric switching value control with manual operation; M, manual friction positioning with long handle; H, pure hydraulic control with aligned pilot oil ports; F, pure hydraulic control with perpendicular pilot oil ports; Bringing versatility in operations.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Offering tailored port options for comprehensive adaptability.
(16) End plate options: E1, standard end plate with external pilot oil discharge and external oil return control port T; E2, similar with additional port Y; E3, featuring a 2-position 3-way magnetic ball valve for power supply situations with self-adjusting system pressure to safety valve threshold;
E4, similar to E1 but with internal pilot oil discharge and sealable port T; E5, similar to E2 with internal pilot oil discharge and sealable port T; E6, similar to E3 with internal pilot oil discharge and sealable port T; Ingeniously designed for seamless integration.
(17) Control voltage and the length of anti-explosion type cable options: G12-12VDC; Ensuring safe and reliable electrical operation.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.
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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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