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, reliable performance.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and supreme flexibility.;
(2) Connection Block Ports P & R Specifications - Precision and reliability in every detail::
2-G3/8; Compact, efficient, and perfect for streamlined operations.
3-G1/2; Unwavering robustness and dependability.;
4-G3/4; Providing advanced connectivity for superior control.;
5, 55-G1; Delivering a superior flow rate for high-demand applications.;
6-G1 1/4; Unmatched field performance.;
(3) Additional Components and Specifications - Elevate system capabilities effortlessly::
C,Standard Type - A steadfast baseline meeting your essential needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision and control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management to boost performance.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Custom-designed solutions for your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Offers streamlined efficiency and superior control: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 - Includes pressure limiting valve for secondary pressure (F50) with specified pressure value; Advanced safety measures for secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience the precision of adjustable settings available at 63, 120, 210, 280, 315, 350, 400 bar. For exceptional scenarios, NF: No pressure limiting valve (HLPSV only), is also offered. This ensures comprehensive optimal pressure control for a wide range of diverse applications.
(7) Product Series Classification - Identifying excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Specifically tailored for every application, ensuring that each series meets the distinct needs of your projects.
(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; Providing robust and versatile options for seamless integration within your systems.
(9)Directional valve block inflow controller options: Tailored precision with 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, strengthened inflow controller; 8, pre-selectable; enabling you to customize the flow dynamics as per your exact needs.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N;
(11) Output flow code for ports A & B: Maximum fluid control with available flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); designed to cater to a vast array of hydraulic requirements.
(12) Secondary pressure limitation options: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, individual pressure control for actuator ports A & B; unit (bar); guaranteeing safety and efficiency in your operations.
(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; delivering comprehensive control tailored to your specific operational needs.
(14) Operation modes: A(1,2), manual operation with flexibility (1=without handle, 2=with short handle); E, electric proportional control; EA(1,2), combined electric proportional control and manual operation (1=without handle, 2=with short handle); D, electric switching value control; DA(1,2), versatile control with electric switching value 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); providing a broad spectrum of operational flexibility to suit any requirement.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Skillfully crafted to offer diverse port sizes that ensure seamless adaptability to any hydraulic system.
(16) End plate options: E1, standard end plate with external pilot oil discharge, facilitating external oil return control via port T; E2, akin to E1 with an additional port Y; E3, incorporates a 2-position 3-way magnetic ball valve for scenarios where system pressure aligns with safety valve pressure upon power supply;
E4, shares E1's features with internal pilot oil discharge where port T can be sealed; E5, mirrors E2's design with internal pilot oil discharge and sealable port T; E6, similar to E3 with internal pilot oil discharge and sealable port T; designed to optimize pressure management and system safety.
(17) Explore a diverse range of control voltage options alongside customizable lengths of anti-explosion type cables, including: G12 - 12VDC, specifically designed to meet your unique requirements;G24 - offering a robust 24VDC capability to ensure optimal performance;-24VDC configurations include cutting-edge options such as G24Ex-3m-24VDC and G12Ex-3m-12VDC, tailored to provide maximum safety with anti-explosion features; G24MA-3m-24VDC offers a unique blend of reliability and efficiency; G12 - designed to seamlessly integrate with your existing systems, providing unparalleled versatility;bb621436 - the perfect solution for advanced hydraulic control needs, ensuring unparalleled safety and compliance.
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 Valve with MSHA Compliance for Mining Applications, 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 typical lead time for production hovers around one month following the receipt of payment. This crucial timeframe is dedicated to executing meticulous preparation and implementing rigorous quality control measures. We pay attention to every detail, ensuring that your products are delivered flawlessly and exceed expectations.
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Answer: We are proud to offer an exceptionally low minimum order quantity, empowering you with the flexibility to order even a single piece for sample evaluation. This level of adaptability ensures your specific needs are perfectly catered to, facilitating a smooth start to your projects with ease and confidence.
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Answer: Begin by sharing your detailed requirements or applications with us. Based on this information, we will provide you with a customized quote that aligns with your needs or our expert guidance. Upon confirmation of the drawings and placement of a deposit, we will formalize your order and initiate production. Every specification will be met with precision, ensuring a seamless, customized solution that perfectly matches your vision.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: Certainly, it is entirely feasible. Simply inform us formally before production commences and confirm the design based on the sample we provide. This guarantees that your branding is showcased with the highest level of precision and quality, perfectly representing your brand's identity.
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