Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations stand as the apex of hydraulic innovation, artfully integrating pressure, flow, and directional control into one cohesive marvel. This ensures unmatched performance and reliability across every application. Typically composed of three critical functional modules - connecting blocks, directional valves, and end plates - these precision-engineered valves are designed for seamless integration into high-end hydraulic systems, pivotal for superior engineering machinery. They precisely manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key highlights include a compact structure, exceptional energy efficiency, and the capability for stepless speed control. Moreover, they enable multiple actuators to operate concurrently under various loads, delivering extraordinary performance and versatility for any application.
The HLPSL valves are expertly designed 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. While HLPSV valves might demonstrate a marginally slower response, they excel in providing outstanding energy-saving performance, positioning them as the optimal choice for scenarios where efficiency is critical. With their state-of-the-art engineering and energy-efficient design, HLPSV valves rise 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 efficiency and reliability, providing unwavering performance to ensure your system operates with seamless precision. Embrace a new level of trust as this pump maintains your machinery's functionality with clockwork accuracy.;
HLPSV: Variable Displacement Pump - The pinnacle of flexibility and adaptability, this pump is crafted to cater to diverse operational requirements with ease. Its ability to smoothly transition and offer exceptional control makes it indispensable for achieving peak efficiency.;
(2) Connection Block Ports P & R Specifications - Where impeccable precision meets unwavering reliability. This expertly crafted design ensures outstanding performance, reinforcing trust in every application. Enjoy consistent, superior operation.:
2-G3/8; Crafted for compact excellence, it facilitates smooth and efficient operational flow. Engineered with precision to guarantee optimal performance in confined spaces, ensuring operations meet and exceed the highest standards.
3-G1/2; Built for strength and reliability, this connection ensures system integrity. Designed to endure, it offers formidable durability even under extreme conditions, ensuring your system's longevity.;
4-G3/4; With advanced connectivity, it enhances control and system integration. This sophisticated design elevates your system's capabilities, combining efficiency and control to boost operational performance.;
5, 55-G1; Designed for optimal flow rates, perfect for high-demand scenarios, delivering consistent performance. Crafted for excellence, it adeptly meets high-pressure demands, making it vital for challenging conditions.;
6-G1 1/4; Offering unmatched performance, this connection excels in tough environments and effortlessly overcomes challenges. It raises the bar for power and efficiency, affirming its status as an industry leader.;
(3) Additional Components and Specifications - Taking your system's capabilities to new heights: Harness advanced components that redefine excellence, boosting system performance to keep your operations at the cutting edge of industry standards.:
C,Standard Type - A steadfast and reliable foundation, meticulously crafted to meet core operational needs. Offering unwavering support and exceptional reliability to empower your system, ensuring its endurance against daily operational demands.;
G,Throttle Valve (For HLPSL only) - Ensures precise control, enhancing overall system efficiency. By fine-tuning operations for maximum impact, it effortlessly optimizes your system's performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Elevates flow management for superior performance and dependability. This component pushes the envelope, delivering exceptional results consistently.;
(4) Pilot Oil Circuit Pressure Options - Elevate your operational efficiency with our bespoke pressure control solutions, meticulously crafted to meet diverse applications. These tailor-made options ensure precision control, perfectly aligning with your specific operational goals for unmatched performance.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Our customizable solutions are engineered to cater to your unique operational needs, offering flexible configurations that deliver desired outcomes with the utmost convenience.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Experience a new level of efficiency and control with our expertly designed valve. This product is engineered to significantly enhance your system's performance, delivering superior control and exceptional effectiveness.C - No magnetic ball valve; F - Normally open magnetic ball valve, which pressurizes the pump when powered and unloads it when unpowered; D - Normally closed magnetic ball valve, which unloads the pump when powered and pressurizes it when unpowered; Offering precision tuning for unmatched system efficiency.D/F - Introducing a groundbreaking pressure limiting valve for secondary pressure (F50), meticulously engineered to maintain a precise pressure value. This marvel of engineering is designed to elevate advanced safety measures, optimizing operational security and reliability to unprecedented heights.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover the epitome of versatility and precision with adjustable settings covering 63, 120, 210, 280, 315, 350, and 400 bar levels. This component exemplifies adaptability, seamlessly meeting every hydraulic requirement. The /NF configuration provides systems without a pressure limiting valve, expertly designed for HLPSV, ensuring unmatched pressure control across various applications.
(7) Product Series Classification - The Pinnacle of Engineering Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series presents a masterclass in design, meticulously crafted to address diverse applications, ensuring a product that seamlessly integrates with your specific requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Featuring ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, masterfully engineered for flawless and seamless integration.
(9)Directional valve block inflow controller options: Select from a comprehensive range of options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for inlet and outlet, engineered specifically for the N 3/3-way valve; 5, enhanced inflow controller; 8, pre-selectable options, each offering precision and remarkable efficiency.
(10) Valve core function symbols: Delve into our extensive array 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: Maximize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, each engineered for supreme performance and unwavering reliability.
(12) Secondary pressure limitation options: Elevate your system's safety with our premium suite of pressure limitation choices: N, offering no pressure limiting protection for standard requirements; C, providing concurrent pressure limitation for both actuator ports A & B, ensuring synchronized safety; A---B---, enabling independent pressure limitation for ports A & B, tailored for custom safety needs. Each option is meticulously calibrated in bar to deliver unmatched protection and peace of mind.
(13) Function ON/OFF and pressure outlet options: Personalize your control experience with our expertly curated options: N, no function ON/OFF or pressure outlet for streamlined systems; X, featuring C type pressure limitation for robust control; S/S1, with AB type pressure limitation for advanced safety; A, with electrical ON/OFF on side A for precise control; B, with electrical ON/OFF on side B for tailored operation. Each choice is precision-engineered to ensure seamless functionality and confidence.
(14) Operation modes: Unlock the full spectrum of control with our versatile operation modes: A(1,2), manual operation with a choice of long or short handle for hands-on precision; E, electric proportional control for dynamic responses; EA(1,2), combining electric proportional control with manual inputs for hybrid flexibility; D, electric switching value control for binary precision; DA(1,2), merging electric switching with manual operation for dual synergy; M, manual friction positioning with a long handle for tactile control; H, pure hydraulic control aligning pilot oil ports directly with ports A and B for fluid operation; F, pure hydraulic control with perpendicular pilot oil ports for distinct configurations. Each mode is crafted for exactitude and adaptability, meeting diverse operational demands.
(15) Ancillary block port sizes: Discover unparalleled adaptability with our precisely engineered port size options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1. These selections guarantee seamless integration across a multitude of systems, optimizing efficiency and performance to the highest standards.
(16) End plate options: Dive into our meticulously designed end plate solutions for optimal functionality: E1, featuring an external discharge of pilot oil and external oil return control port T for reliable operations. E2 builds upon E1 by introducing port Y for added flexibility; E3 showcases a sophisticated 2-position, 3-way magnetic ball valve, elevating system pressure to safety valve levels upon activation, ensuring unparalleled performance.
E4 mirrors the innovation of E1 by integrating an internal discharge of pilot oil with a sealed port T, enhancing efficiency. E5 takes E2's features further with an internal discharge, guaranteeing superior performance. E6 replicates the advanced design of E3, offering state-of-the-art discharge control for the most demanding system requirements.
(17) Control voltage and anti-explosion cable options: Choose from our secure and specialized range, including G12-12VDC, engineered for the most rigorous applications with a focus on safety and reliability. Our tailored solutions ensure your operations are both specialized and secure.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 rapidly emerged as a beacon of innovation and excellence within the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), our company is celebrated as a national high-tech enterprise, highlighting our unwavering commitment to technological advancement and unmatched quality. Our expertise is second to none, encompassing thorough research, development, manufacturing, and sales of top-tier hydraulic components. Honored as a national 'specialized, refined, and innovative' small giant enterprise, we steadfastly uphold our pledge to excellence, solidifying our leadership in the field of hydraulics.
Introducing our flagship innovation, the advanced Safety Atex Valve, which represents the pinnacle of cutting-edge hydraulic system control technology. This meticulously crafted component is essential for construction machinery and heavy-duty equipment, playing a vital role in applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense 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 mission to deliver extraordinary products, services, and solutions. Our vision is to ascend as a globally trusted supplier of premier hydraulic components, consistently setting new standards of excellence on the global 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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