Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels seamlessly integrate pressure, flow, and directional control into a single, harmonious unit, guaranteeing unmatched performance and reliability. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously crafted for incorporation into high-end hydraulic systems, pivotal in top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unparalleled precision and control. Key highlights include a compact structure, superior energy efficiency, and the capability for stepless speed control. Furthermore, they enable multiple actuators to operate simultaneously under varying loads, providing unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation. Conversely, 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 emerge 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 - The cornerstone of unwavering dependability, ensuring consistent and reliable performance.;
HLPSV: Variable Displacement Pump - Embrace unparalleled adaptability and flexibility with this superior option.;
(2) Connection Block Ports P & R Specifications - Experience precision and reliable performance you can trust::
2-G3/8; Designed compactly and efficiently for seamless operations.
3-G1/2; Built robustly for dependable usage.;
4-G3/4; Advanced connectivity that guarantees superior control and operation.;
5, 55-G1; Designed to provide a superior flow rate for high-demand applications.;
6-G1 1/4; Ensures unmatched field performance, delivering excellence every time.;
(3) Additional Components and Specifications - Elevate your system capabilities with these enhancements::
C,Standard Type - A reliable baseline that meets all your foundational requirements.;
G,Throttle Valve (For HLPSL only) - Precision control at its best, ensuring optimal performance.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimize flow management to significantly enhance your equipment's performance.;
(4) Pilot Oil Circuit Pressure Options - Tailor pressure control to suit your diverse applications with ease:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions that cater to your unique needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Experience streamlined efficiency and superior control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes pump when powered, unloads pump when unpowered; D - Normally closed magnetic ball valve, unloads pump when powered, pressurizes when unpowered;D/F - Features pressure limiting valve for secondary pressure (F50) with specific values; Ensuring advanced safety measures for secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Immerse yourself in the flexibility of adjustable settings available at precise values such as 63, 120, 210, 280, 315, 350, and 400 bar. For configurations utilizing the HLPSV only, a no pressure limiting valve (/NF) option is available, ensuring optimal pressure control tailored for diverse scenarios with unmatched precision.
(7) Product Series Classification - Identifying excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously tailored to meet the nuanced demands of every application, ensuring performance at the highest level.
(8)Thread size of directional spool valve ports A & B: Discover a range of thread sizes crafted for compatibility and efficiency including 2-G3/8, 3-G1/2, 4-G3/4, and 5-G1. Enhanced adaptability is provided by additional options like the ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve.2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A, ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve;
(9)Directional valve block inflow controller options: Customize your directional valve block with options ranging from 1, without inflow controller, to advanced selections like 2, standard inflow controller, and 4, 3-way flow controllers ideal for N 3/3-way valve. Enhanced control with 5, strengthened inflow controller and pre-selectable option 8.
(10) Valve core function symbols: Dive into the versatility of valve core functions with symbols L, M, F, H, J, B, R, O, N, each offering specific functionalities to enhance your system's performance.
(11) Output flow code for ports A & B: Experience a spectrum of available maximum output flows with options including 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 (L/min), designed to meet diverse operational needs.
(12) Secondary pressure limitation options: Choose from options like N, no pressure limiting protection, or the versatile C, which simultaneously limits the pressure of actuator ports A & B. A---B--- offers separate pressure limitations for each port, measured in units of bar, to meet your specific operational requirements.
(13) Function ON/OFF and pressure outlet options: Select from a variety of configurations including N, without function ON/OFF and pressure outlet, or options like X C type pressure limitation and S/S1 AB type pressure limitation. Electrical ON/OFF choices are also available on side A or B, labeled as A and B respectively.
(14) Operation modes: Explore an array of operation modes designed for your unique requirements: A(1,2) for manual operation with or without a handle, E for electric proportional control, EA(1,2) combining electric proportional and manual operation, D for electric switching value control, DA(1,2) for combined electric switching and manual operation, M for manual friction positioning with a long handle, and both H and F for pure hydraulic control with varying pilot oil port alignments.
(15) Ancillary block port sizes: Offering flexibility with port size options such as /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, you can ensure compatibility and efficiency with your hydraulic systems.
(16) End plate options: A variety of end plates are available to suit different configurations: E1 features a standard end plate with external discharge of pilot oil; E2 enhances this with an additional port Y; E3 integrates a 2-position 3-way magnetic ball valve, ideal for power supply situations where system pressure needs to rise to safety valve levels.
E4 offers internal discharge of pilot oil with port T sealable, similar enhancements are present in E5 and E6 with additional features for port sealing, adapting to varied operational needs.
(17) Control voltage and the length of anti-explosion type cable options: Available in G12-12VDC, ensuring safe and reliable voltage control across diverse operational contexts.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Founded in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has been a beacon of innovation and excellence in the hydraulic industry. As a prestigious member of the renowned China Baoan Group (stock code: 000009), we stand proudly as a national high-tech enterprise. Specializing in the research, development, manufacturing, and sales of superior hydraulic components, our designation as a national 'specialized, refined, and innovative' small giant enterprise highlights our unwavering dedication to technological advancement and exceptional quality. This steadfast commitment places us at the forefront of our industry.
The load-sensitive proportional valve, our flagship product, represents the summit of advanced hydraulic system control. Designed for construction machinery and heavy-duty equipment, this versatile component is indispensable for critical applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are proud of our strategic alliances with leading domestic manufacturers, significantly contributing to the localization of essential hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are dedicated to providing outstanding products, services, and solutions. Our mission is to emerge as a globally trusted supplier of premier hydraulic components, setting new standards of excellence worldwide.
Question:1. What about the lead time?
Answer:The lead time for production typically spans approximately one month following receipt of payment. This timeframe allows us to engage in thorough preparation and implement rigorous quality control measures. Every aspect is meticulously handled to ensure that your products are delivered with flawless precision and excellence.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an exceptionally low minimum order quantity, allowing you the flexibility to order even a single piece for sample checking. This adaptable approach ensures that your specific requirements are met with precision, facilitating a seamless initiation for your projects.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by communicating your detailed requirements or intended applications to us. We will then craft a customized quote tailored to your needs or our expert recommendations. Upon your confirmation of the drawings and placement of a deposit, we will formalize the order and initiate production. Every specification will be meticulously fulfilled, guaranteeing a seamless and bespoke solution.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: Absolutely, it is possible. Simply inform us formally before production commences and affirm the design based on the sample we provide. This ensures that your branding is represented with the utmost precision and quality, reflecting your identity perfectly.
){kind=link}