Introducing the groundbreaking HLPSL and HLPSV Load-Sensitive Proportional Multi-Way Directional Spool Valves from Jiangsu KM Hydraulic Control System Co., Ltd. Experience the pinnacle of hydraulic innovation where engineering excellence meets seamless integration of pressure, flow, and directional control in a singular, harmonious masterpiece. These exceptional valves guarantee unmatched performance and unwavering reliability across all applications. Composed of three essential functional modules - connecting blocks, directional valves, and end plates - they are meticulously designed for integration into high-end hydraulic systems, indispensable for top-tier engineering machinery. Precisely controlling the movement direction and speed of hydraulic cylinders, motors, and other actuators, these valves deliver unparalleled precision and control. Key highlights include a sleek, compact structure, exemplary energy efficiency, and the capability for stepless speed control. Furthermore, they empower multiple actuators to operate in unison under varying loads, providing unrivaled performance and versatility for any application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast reliability and robust performance in any setting. In contrast, the HLPSV valves are masterfully engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they excel in offering superior energy-saving performance, making them the ultimate choice for applications where efficiency is paramount. With their cutting-edge engineering and eco-friendly design, HLPSV valves emerge as the premier solution for advanced hydraulic control needs, offering a flawless blend of precision, reliability, and efficiency. Choose HLPSV for a future where energy conservation meets unparalleled hydraulic control.
| 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 vital backbone of reliable performance, ensuring your operations proceed with seamless and efficient precision.;
HLPSV: Variable Displacement Pump - Setting the standard for adaptability and versatility, providing exceptional flexibility to cater to a wide range of operational requirements.;
(2) Connection Block Ports P & R Specifications - Precision and reliability converge, ensuring operations you can trust::
2-G3/8; Crafted for compact efficiency, delivering streamlined and fluid operational flows with ease.
3-G1/2; Engineered for robustness and dependability, forming a stalwart foundation for your system's needs.;
4-G3/4; Offers advanced connectivity, ensuring superior control and heightened system integration.;
5, 55-G1; With an exceptional flow rate, ideal for high-demand applications, delivering steady and reliable performance.;
6-G1 1/4; Delivers unmatched performance, designed to excel on the field and tackle complexities with ease.;
(3) Additional Components and Specifications - Elevating system capabilities to extraordinary levels::
C,Standard Type - A dependable and trustworthy standard, meticulously tailored to meet your fundamental operational demands.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, maximizing overall system performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow regulation, driving exceptional performance and reliability.;
(4) Pilot Oil Circuit Pressure Options - Offering bespoke pressure control solutions for varied applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions crafted to seamlessly meet your specific operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency and enhancing control: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;D/F - Equipped with a sophisticated pressure limiting valve for secondary pressure (F50) with a designated pressure value; Ensures enhanced safety measures to safeguard operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This component showcases adjustable configurations at 63, 120, 210, 280, 315, 350, and 400 bar levels, representing the pinnacle of adaptability and accuracy. For those seeking simplicity, /NF signifies the absence of a pressure limiting valve, crafted specifically for HLPSV. This feature delivers superior pressure regulation across various scenarios, rendering it essential for your hydraulic solutions.
(7) Product Series Classification - Exemplifying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is intricately customized to fit every application, ensuring you receive a product that precisely aligns with your requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; inclusive of auxiliary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for flawless integration.
(9)Directional valve block inflow controller options: Choose from: 1, no inflow controller; 2, standard inflow controller; 4, a state-of-the-art 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring precision and effectiveness.
(10) Valve core function symbols: Discover an extensive assortment of core functions: L, M, F, H, J, B, R, O, N, each expertly engineered to meet distinct functional demands.
(11) Output flow code for ports A & B: Optimize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored for peak performance.
(12) Secondary pressure limitation options: Select between: N, no pressure limiting protection; C, concurrent pressure limitation of actuator ports A & B; A---B---, individual pressure limitation for ports A & B, all measured in bar, guaranteeing robust system safety.
(13) Function ON/OFF and pressure outlet options: Customizable options encompass: N, without function ON/OFF or 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, each devised for precision control.
(14) Operation modes: Varied operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a harmonious blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), integrated electric switching value control and manual operation; M, manual friction positioning with a long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, designed for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, crafted for seamless adaptability.
(16) End Plate Options: Discover a range of tailored end plate selections crafted to meet your precise needs: E1, the standard choice, featuring external discharge of pilot oil alongside an external oil return control port T; E2, echoing the features of E1, but with an added port Y for enhanced management; E3, equipped with a 2-position 3-way magnetic ball valve, thus elevating system pressure seamlessly to safety valve standards during power supply activation.
E4, a variation of E1 offering an internal discharge of pilot oil while sealing port T; E5, akin to E2 but with internal discharge for refined control; E6, mirroring E3, each option meticulously designed for advanced discharge management.
(17) Control Voltage and Anti-Explosion Cable Length Options: Choose from a curated selection of control voltage and cable configurations, such as G12-12VDC, providing robust safety and compatibility for specialized application demands.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our establishment in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we are recognized as a national high-tech enterprise. Our forte lies in the careful research, development, manufacturing, and distribution of high-quality hydraulic components. Our status as a national 'specialized, refined, and innovative' small giant enterprise emphasizes our unwavering dedication to technological progress and exceptional quality. This steadfast commitment solidifies our leadership role in the industry.
Our flagship product, the load-sensitive proportional valve, represents the zenith of sophisticated hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this dynamic component is essential for critical applications like emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We proudly collaborate with numerous leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are committed to providing exceptional products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, setting new standards of excellence on the world stage.
Question:1. What about the lead time?
Answer:The lead time for production usually spans around one month after we receive your payment. In this timeframe, we meticulously prepare and enforce comprehensive quality control measures to ensure that each product arrives at your doorstep in impeccable condition. Your delight with our flawless delivery is our utmost commitment.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We provide an astounding flexibility with our minimum order quantity, which is set remarkably low. This offers you the liberty to even order just a single piece for sample evaluation. Such flexibility empowers you to commence your projects effortlessly, addressing your specific needs without any constraints.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by conveying your detailed requirements or the applications you envision. We will craft a personalized quote reflecting your needs or guided by our expert recommendations. Upon your confirmation of the drawings and after placing a deposit, we will finalize and initiate production. We pledge precision and adherence to every specification, ensuring a streamlined and bespoke solution tailored to your expectations.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: Certainly, this option is available to you. Kindly notify us formally before production commences and confirm the design based on the sample we provide. This ensures that your brand is portrayed with exceptional precision and top-notch quality, perfectly encapsulating your identity.
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