Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations represent the pinnacle of hydraulic innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious masterpiece. This guarantees unparalleled performance and reliability in every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for integration into high-end hydraulic systems, crucial for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights encompass a compact structure, superior energy efficiency, and the capability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. On the other hand, 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 stand out as the premier solution for advanced hydraulic control requirements, offering a perfect blend 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 consistent and unwavering performance, ensuring your operations run smoothly and efficiently.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility, offering unparalleled versatility to meet diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, ensuring trustworthy operations::
2-G3/8; Expertly designed for a compact yet efficient setup, this specification guarantees streamlined and seamless operational flows.
3-G1/2; Engineered for robustness and steadfast dependability, providing your system with an unyielding foundation.;
4-G3/4; Facilitating advanced connectivity, this specification offers superior control and enhanced system integration.;
5, 55-G1; With an unmatched superior flow rate, this option is perfect for high-demand applications, always ensuring consistent and reliable performance.;
6-G1 1/4; Delivering unrivaled performance, it is meticulously designed to excel under pressure and conquer challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - Providing a reliable and trustworthy baseline, precisely tailored to meet your essential operational requirements.;
G,Throttle Valve (For HLPSL only) - Guarantees precision in control, significantly enhancing overall system efficiency.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimizes flow management, delivering superior performance and unwavering dependability.;
(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); Providing tailored solutions that seamlessly fulfill your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlining efficiency while boosting control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizing the pump when powered, while unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered, and pressurizing it when unpowered;D/F - Comes with an innovative pressure limiting valve for secondary pressure (F50) featuring a precise specified pressure value. This component provides advanced safety measures to secure operations, ensuring both reliability and performance.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled versatility and precision with adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels. For those who appreciate simplicity, the /NF option, designed specifically for HLPSV, offers no pressure limiting valve. This feature guarantees optimal pressure control across diverse scenarios, making it an essential component to fulfill all your hydraulic needs.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series has been meticulously crafted to cater to every application, ensuring you acquire a product that aligns perfectly 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; inclusive of ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, designed for seamless integration and enhanced performance.
(9)Directional valve block inflow controller options: Choose from a selection of: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, ideally suited for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each engineered for precision and efficiency.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously designed to fulfill distinct functional requirements with utmost precision.
(11) Output flow code for ports A & B: Optimize your system's efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min. Each is tailored for achieving optimal performance under varying operational conditions.
(12) Secondary pressure limitation options: Select from options: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar for robust system safety and enhanced protection.
(13) Function ON/OFF and pressure outlet options: Explore customizable options: 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 crafted to provide precise control tailored to your operational needs.
(14) Operation modes: A variety of operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a synthesis of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, purely hydraulic control (alignment of pilot oil ports with oil ports A and B); F, purely hydraulic control with perpendicular pilot oil ports, all designed for comprehensive and adaptable control.
(15) Ancillary block port sizes: Select from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, each engineered for seamless adaptability to suit your unique operational requirements.
(16) End plate options: Discover our tailored end plate selections, including: E1, the standard option, featuring an external discharge of pilot oil along with an external oil return control port T; E2, similar to E1, but enhanced with an additional port Y; E3, equipped with a 2-position 3-way magnetic ball valve, which ingeniously elevates system pressure to the safety valve levels during power supply, ensuring optimal performance and safety.
E4, comparable to E1, boasts an internal discharge of pilot oil with a sealing port T; E5, mirroring E2, also includes internal discharge; E6, akin to E3, each variant guarantees sophisticated discharge control, providing reliability and efficiency.
(17) Control voltage and anti-explosion cable options: Choose from an array of options like G12-12VDC, designed to ensure maximum safety and seamless compatibility with specialized applications, meeting the most stringent industry standards.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 become a beacon in the hydraulic industry, renowned for our groundbreaking innovations and commitment to excellence. As a prestigious subsidiary of the illustrious China Baoan Group (stock code: 000009), we are proud to be recognized as a distinguished national high-tech enterprise. Our specialization in the meticulous research, development, manufacturing, and sales of premium hydraulic components is unparalleled. Honored as a national 'specialized, refined, and innovative' small giant enterprise, we tirelessly pursue technological advancement and superior quality, positioning ourselves as leaders in our field.
Our flagship product, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. Expertly engineered for diverse construction machinery and heavy-duty equipment, this versatile component is indispensable for critical applications including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. Our pride in strategic collaborations with numerous leading domestic manufacturers underscores our 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 remain steadfast in our commitment to delivering exceptional products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence worldwide.
Inquiry:1. What about the lead time?
Response:The lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
Inquiry:2. Do you have any MOQ limit for LED light orders?
Response: We proudly offer an impressively low minimum order quantity, providing you with the unparalleled flexibility to order even a single piece for sample verification. This remarkable adaptability means you can initiate your projects with effortless ease and precision, meeting your unique requirements without any hassle.
Inquiry:3. How to proceed with an order for LED lights?
Response: Begin by sharing your detailed requirements or the intended applications with us. We will craft a tailored quote specifically for you, based on your needs or our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is met with unwavering precision, offering you a seamless and customized solution.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.
Inquiry:4. Is it OK to print my logo on the product?
Response: Certainly, this is entirely possible. Please ensure you inform us formally before production begins and confirm the design based on the sample we provide. This guarantees that your branding is showcased with ultimate precision and superior quality, perfectly reflecting your identity.
){kind=link}