Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, masterfully blending pressure, flow, and directional control into an extraordinary unified system. This fusion guarantees unparalleled performance and dependability across all applications. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these meticulously crafted valves are designed for seamless integration into high-end hydraulic systems, essential for superior engineering machinery. They precisely command the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key highlights include a compact structure, remarkable energy efficiency, and the potential for stepless speed control. Additionally, they empower multiple actuators to function concurrently under diverse loads, delivering exceptional performance and adaptability for any application.
The HLPSL valves are expertly engineered for constant displacement pump systems, ensuring steadfast and reliable operation in any environment. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. Although HLPSV valves may exhibit a slightly slower response, they excel in providing exceptional energy-saving performance, positioning them as the optimal choice when efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering an ideal combination of precision, reliability, and efficiency.
| 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 unwavering reliability, this pump ensures your system operates with unparalleled precision and consistency. Enjoy the peace of mind that comes with knowing your machinery is powered by a steadfast solution that ensures smooth and efficient performance, maintaining optimal functionality like a well-oiled machine.;
HLPSV: Variable Displacement Pump - Representing the epitome of adaptability, this pump provides extraordinary flexibility, effortlessly catering to a diverse array of operational requirements. Tailored to seamlessly adjust to shifting demands, it offers superior control and efficiency, guaranteeing optimal performance tailored to any challenge that arises.;
(2) Connection Block Ports P & R Specifications - Precision harmoniously blends with reliability here, crafting a robust operational framework: Expertly developed for impeccable performance, this port specification enhances reliability across applications. Its dependable design assures consistent, top-tier operations, serving as the backbone of trustworthy functionality.:
2-G3/8; Crafted for compact efficiency, it enables smooth, streamlined operational flows. Perfectly designed for precision, it guarantees exceptional performance even in the tightest spaces, ensuring every operation meets exacting standards with ease.
3-G1/2; Designed with robustness and reliability in mind, this connection is a solid foundation for system integrity. Built to endure, it provides unwavering durability under the harshest conditions, ensuring your system remains steadfast over time.;
4-G3/4; Featuring advanced connectivity, this design offers superior control and enhances system integration. Elevate your system's capabilities with this sophisticated component, bringing efficiency and control to a new level of operational excellence.;
5, 55-G1; Equipped to handle superior flow rates, this connection is ideal for high-demand applications, ensuring reliable and consistent performance. Designed for excellence, it effortlessly tackles high-pressure challenges, proving indispensable in the most challenging environments.;
6-G1 1/4; Delivering unmatched performance, this connection is expertly crafted to excel in demanding conditions, handling challenges with ease. It sets new standards in power and performance, securing its status as an industry leader.;
(3) Additional Components and Specifications - Elevating your system's capabilities to unparalleled heights: Unleashing operational potential with cutting-edge components that redefine excellence, these enhancements maximize performance, ensuring your operations remain at the pinnacle of industry standards.:
C,Standard Type - A reliable and trusted foundation, meticulously engineered to meet essential operational needs. Providing steadfast support and unmatched reliability, it empowers your system to endure the rigors of daily operations effortlessly.;
G,Throttle Valve (For HLPSL only) - Ensures precision control and enhances system efficiency. By fine-tuning operations for maximum effectiveness, it optimizes performance seamlessly, ensuring your system's capabilities are fully realized.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering unparalleled performance and reliability. This component redefines conventional performance limits, consistently achieving extraordinary results.;
(4) Pilot Oil Circuit Pressure Options - Presenting bespoke pressure control solutions for a wide range of applications: Meticulously tailor-made to meet your unique requirements, delivering precision control perfectly aligned with your operational objectives.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Discovering customized solutions that seamlessly meet your unique operational demands. Flexible configurations ensure the achievement of your desired results with exceptional ease.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Revolutionizing efficiency and control: Designed with expert precision to elevate your system's performance, delivering unparalleled control and exceptional effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, pressurizing it when unpowered. Offering precision tuning for unmatched system efficiency.D/F - Discover a groundbreaking, meticulously precision-engineered pressure limiting valve for secondary pressure (F50), crafted to maintain a precisely defined pressure. This engineering marvel is designed to significantly enhance advanced safety measures, optimizing operational security and reliability to unprecedented levels.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience ultimate versatility and precision with adjustable settings spanning 63, 120, 210, 280, 315, 350, and 400 bar levels. This component is the epitome of adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration offers systems without a pressure limiting valve, expertly crafted for HLPSV, providing unparalleled pressure control across diverse applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series stands as a masterclass in design, skillfully crafted to meet every application, ensuring you obtain a product that seamlessly aligns with your specifications.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, expertly engineered for seamless integration.
(9)Directional valve block inflow controller options: Choose from a comprehensive array of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, tailored for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and exceptional efficiency.
(10) Valve core function symbols: Discover a diverse collection of core functions: L, M, F, H, J, B, R, O, N, each meticulously crafted to fulfill specific functional requirements.
(11) Output flow code for ports A & B: Elevate your operations with our high-efficiency output flows, available in varying capacities: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each meticulously crafted flow ensures optimal performance and steadfast reliability for all your hydraulic needs.
(12) Secondary pressure limitation options: Safeguard your systems with our elite pressure limitation selections. Choose from: N, offering no pressure limiting protection; C, featuring concurrent pressure limitation for actuator ports A & B; A---B---, providing independent pressure limitation for each port. Each option is precisely calibrated in bar to deliver unparalleled protection and peace of mind.
(13) Function ON/OFF and pressure outlet options: Tailor your hydraulic system with our specialized function options: N, excluding function ON/OFF and pressure outlets; X, featuring C type pressure limitation; S/S1, offering AB type pressure limitation; A, with electrical ON/OFF on side A; B, with electrical ON/OFF on side B. Every option is engineered to deliver exacting and dependable control.
(14) Operation modes: Gain full control with our expansive selection of operation modes: A(1,2), for manual control with a choice of long or short handle; E, employing electric proportional control; EA(1,2), blending electric proportional control with manual operation; D, offering electric switching value control; DA(1,2), merging electric switching value control with manual operation; M, featuring manual friction positioning with a long handle; H, ensuring pure hydraulic control with pilot oil ports aligned with ports A and B; F, offering pure hydraulic control with perpendicular pilot oil ports. Each mode is expertly crafted for precision and adaptable usage.
(15) Ancillary block port sizes: Enjoy unmatched flexibility with our carefully devised port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These sizes guarantee seamless adaptability and flawless integration into various hydraulic systems, ensuring efficiency and peak performance.
(16) End plate options: Dive into our expertly designed end plate configurations: E1, facilitates an external discharge of pilot oil and external control via port T. E2 expands upon E1 with an additional port Y for enhanced flexibility. E3 features a sophisticated 2-position, 3-way magnetic ball valve, raising system pressure to safety valve levels for ultimate performance.
E4 offers a variation of E1, innovatively incorporating an internal discharge of pilot oil with a sealed port T, improving efficiency. E5 advances upon E2 by adding an internal discharge, ensuring exceptional performance. E6 mirrors the advanced E3 design, offering superior discharge control suited for complex systems.
(17) Control voltage and anti-explosion cable options: Opt for our secure and reliable voltage solutions, including G12-12VDC, crafted for challenging applications that prioritize safety and dependability. Our comprehensive selection ensures specialized solutions with unwavering security.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since its inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a beacon of innovation and excellence in the hydraulic industry. As a distinguished subsidiary of the prestigious China Baoan Group (stock code: 000009), our company is recognized as a national high-tech enterprise, highlighting our unwavering commitment to technological advancement and unmatched quality. Our expertise is unparalleled, encompassing comprehensive research, development, manufacturing, and sales of superior hydraulic components. Celebrated as a national 'specialized, refined, and innovative' small giant enterprise, we remain steadfast in our commitment to excellence, reinforcing our leadership in the field.
Introducing our flagship innovation, the enhanced Safety Atex Valve, which represents the pinnacle of advanced hydraulic system control technology. This meticulously engineered component is essential for construction machinery and heavy-duty equipment, playing an indispensable role in applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take great pride in our strategic partnerships with leading domestic manufacturers, significantly advancing the localization of core hydraulic components for sophisticated mechanical equipment. Guided by our founding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our quest to deliver extraordinary products, services, and solutions. Our mission is to ascend as a globally trusted supplier of premier hydraulic components, consistently setting new standards of excellence on the world stage.
Question:1. What about the lead time?
Answer:Typically, the lead time for production spans approximately one month after payment is received. During this timeframe, we undertake meticulous preparations and uphold rigorous quality control processes, ensuring that each product is delivered to you in impeccable condition. Achieving your utmost satisfaction with our flawless delivery remains our primary commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer a remarkably low minimum order quantity, granting you the convenience of ordering as little as a single piece for sample verification. This flexibility allows you to initiate your projects with utmost ease and precision, effortlessly accommodating your exclusive requirements.
Question:3. How to proceed with an order for LED lights?
Answer: Begin the process by communicating your detailed requirements or intended applications to us. We will then craft a tailored quote specifically for you, either based on your unique needs or through our seasoned advice. Once the drawings are finalized and a deposit is made, we will formalize the order and initiate production. We promise adherence to every specification with precision, ensuring a seamless and bespoke solution just for you.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly feasible. Kindly ensure that you formally notify us prior to the commencement of production and confirm the design based on the sample we provide. This guarantees that your branding is represented with unparalleled precision and excellence, perfectly capturing your identity.
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