Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves-an engineering triumph that integrates pressure, flow, and directional control into a single, harmonious unit. With unrivaled performance and reliability, these meticulously crafted valves are pivotal in high-end hydraulic systems and are essential components of top-tier engineering machinery. Comprising three core functional modules-connecting blocks, directional valves, and end plates-these valves precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unparalleled precision and control. Key highlights include a compact structure, superior energy efficiency, and stepless speed control. Remarkably, they allow for the simultaneous operation of multiple actuators under varying loads, offering unrivaled performance and versatility across diverse applications.
The HLPSL valves are expertly designed for constant displacement pump systems, providing steadfast and reliable operation. In contrast, the HLPSV valves are engineered for variable pump systems, offering a slightly slower response time but excelling in energy-saving performance. This makes HLPSV valves the ultimate choice for applications where efficiency is paramount. With cutting-edge engineering and an energy-efficient design, HLPSV valves stand out 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 - A fundamental component ensuring steady and unwavering performance, crucial for the most demanding tasks.;
HLPSV: Variable Displacement Pump - Mastery in adaptability, offering unparalleled flexibility to accommodate diverse operational needs.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability, tailored for the discerning professional::
2-G3/8; A compact and efficient choice, ideal for seamless and streamlined operations.
3-G1/2; Built for robustness and dependability, ensuring optimal performance.;
4-G3/4; Cutting-edge connectivity, designed for superior control and precision.;
5, 55-G1; Featuring an exceptional flow rate, perfect for high-demand scenarios.;
6-G1 1/4; Exemplifying unmatched performance, this choice excels in the field.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A reliable baseline, designed to meet and exceed your essential needs.;
G,Throttle Valve (For HLPSL only) - Ensures precise control for optimal operation.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimization in flow management, crafted to boost performance significantly.;
(4) Pilot Oil Circuit Pressure Options - Tailor your pressure control with customizable solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions to address your unique operational requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Experience streamlined efficiency and control like never before:C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump upon powering, deactivates when unpowered; D - Normally closed magnetic ball valve, ceases pump function upon powering, initiates upon unpowering;D/F - Includes pressure limiting valve for secondary pressure (F50) with specified pressure value; Implement advanced safety measures for secure, worry-free operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash the versatility of adjustable settings ranging from 63 to 400 bar, ensuring precision pressure control across diverse scenarios. /NF: No pressure limiting valve (HLPSV only); Tailor your control solutions to meet every challenge.
(7) Product Series Classification - Defining excellence with precision:;-2 2 Series; -3 3 Series; -5 5 Series; Crafted to suit every unique application.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve; Empowering seamless operations with precision threading.
(9)Directional valve block inflow controller options: 1, without inflow controller; 2, standard inflow controller; 4, expertly designed 3-way flow controllers for both inlet and outlet, perfect for N 3/3-way valve applications; 5, fortified inflow controller; 8, pre-selectable;
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; Each symbol represents a unique function, enhancing operational capabilities.
(11) Output flow code for ports A & B: Offering a spectrum of maximum output flows from 3 to 210 L/min; Optimized for diverse operational demands.
(12) Secondary pressure limitation options: N, no pressure limiting protection; C, concurrent pressure limitation for actuator ports A & B; A---B---, individual pressure limitation for actuator ports A & B, unit (bar);
(13) Function ON/OFF and pressure outlet options: N, no 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;
(14) Operation modes: A(1,2), manual operation enhanced with a handle choice; E, sophisticated electric proportional control; EA(1,2), fusion of electric proportional control and manual operation; D, cutting-edge electric switching value control; DA(1,2), hybrid control combining electric and manual operations; M, manual friction positioning for precision; 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);
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Ensuring compatibility and versatility across systems.
(16) End plate options: E1, standard end plate with external discharge of pilot oil, connecting oil return control port T externally; E2, mirroring E1 with the addition of port Y; E3, featuring a 2-position 3-way magnetic ball valve for heightened control; enabling system pressure elevation to safety valve levels in power supply contexts;
E4, akin to E1, with internal discharge of pilot oil and sealable port T; E5, resembling E2, with internal discharge and sealable port T; E6, similar to E3, internal discharge with sealable port T;
(17) Choose from various control voltage options, complemented by diverse lengths of anti-explosion type cables: including G12 for 12VDC efficiency;G24-24VDC; or opt for G24Ex with a robust 3-meter cable for 24VDC; explore G12Ex with 3 meters of cable for 12VDC; consider the G24MA-3m designed for superior 24VDC operations; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and exceptional achievement in the hydraulic industry. As a highly-regarded subsidiary of the illustrious China Baoan Group (stock code: 000009), we proudly bear the title of a national high-tech enterprise. Our expertise flourishes in the precise research, development, manufacturing, and sales of superior hydraulic components. Our distinguished status as a national 'specialized, refined, and innovative' small giant enterprise is a testament to our steadfast dedication to technological progress and excellence. This relentless pursuit of innovation and quality places us at the forefront of our industry.
Our flagship product, the load-sensitive proportional valve, stands as the epitome of cutting-edge hydraulic system control. Meticulously designed for construction machinery and heavy-duty equipment, this essential component is crucial for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are deeply proud of our strategic alliances with numerous top domestic manufacturers, contributing significantly to the localization of 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 unwavering in our dedication to providing outstanding products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence across the world.
Question:1. What about the lead time?
Answer:The lead time for production is typically around one month following receipt of payment. This time frame ensures that we can engage in thorough preparation and implement our rigorous quality control standards. Every aspect is carefully managed, ensuring your products are delivered flawlessly and on time.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an attractively low minimum order quantity, granting you the liberty to order as few as a single piece for sample verification. This flexibility is designed to accommodate your specific requirements perfectly, facilitating the effortless initiation of your projects.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by communicating your detailed needs or intended applications. We will furnish you with a tailored quotation based on your specifications or our professional recommendations. Upon confirmation of the drawings and receipt of a deposit, we will formalize the order and initiate production. Each specification will be meticulously executed, ensuring a seamless and customized experience.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.
Question:4. Is it OK to print my logo on the product?
Answer: Certainly, this can be arranged. Simply notify us formally before production commences and confirm the design based on the sample we provide. This guarantees that your branding is represented with the highest level of precision and quality.
){kind=link}