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 singular, 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 designed 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. Additionally, they allow 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. Although 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)Fundamental Code of Connection Block: A concise guide to understanding the essential configurations.
HLPSL: Constant Displacement Pump - Experience consistent power delivery with precision.;
HLPSV: Variable Displacement Pump - Tailor your hydraulic needs with efficiency and adaptability.;
(2) Port P & R Specifications of the Connection Block: Tailored solutions for diverse hydraulic applications.:
2-G3/8;
3-G1/2;
4-G3/4;
5, 55-G1;
6-G1 1/4;
(3)Additional Component Details: Explore the array of components to enhance your system's capability.:
C,Standard Type - The quintessential choice for reliability.;
G,Throttle Valve (Applicable Exclusively to HLPSL) - Control flow with precision and ease.;
H,Fixed Differential Overflow Valve Enhancing Circulating Pressure (approximately 14 bar, HLPSL) - Optimize your system's efficiency.;
(4)Pilot Oil Circuit Pressure: Customizable to your specific needs for optimal performance.0 without pressure reducing valve; 1 with pressure reducing valve (20 bar); 2 with pressure reducing valve (40 bar);
(5)2/2-way Magnetic Ball Valve for System Unloading: Transform your operations with adaptable valve configurations.../F. Pressure Limiting Valve as secondary pressure (F50) with specified pressure value indicated;
(6)Tool Adjustable Pressure Limiting Valve in the Connection Block: Adjustable to pressure settings such as 63, 120, 210, 280, 315, 350, 400 bar; /NF: without pressure limiting valve (HLPSV only);
(7)Product Series: -2 series; A range of options tailored for your specific requirements.;-3 series; -5 series; Expand your choices with our versatile series lineup.
(8)Thread size of directional spool valve ports A & B: 2-GDiscover the versatility of our valve with these thread sizes: 3/8, 3-G1/2, 4-G3/4, 5-G1. Also available are ancillary or intermediate transition blocks like ZPL 5S(V)/H hydraulic control shut-off valve, perfectly tailored to your specific needs.
(9)Directional valve block inflow controller options: 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for versatile inlet and outlet control, perfect for N 3/3-way valve; 5, strengthened inflow controller; 8, pre-selectable for tailored needs.
(10) Function symbol of valve core: Choose from L, M, F, H, J, B, R, O, N - each designed for optimal performance.
(11) Output flow code of ports A & B: Select from a dynamic range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min to meet various operational demands.
(12) Secondary pressure limitation: N - no pressure limiting protection; C - simultaneous pressure limitation at actuator ports A & B; A---B--- - independent pressure control at actuator ports A & B, unit (bar), ensuring safe operation.
(13) Function ON/OFF and pressure outlet: N - without function ON/OFF and 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, providing flexible operation options.
(14) Operation manner: A(1,2) - manual operation with long handle (1=without handle, 2=with short handle); E - electric proportional control; EA(1,2) - combined electric proportional control and manual operation; D - electric switching value control; DA(1,2) - electric switching value control plus manual operation; M - manual friction positioning with long handle; innovative hydraulic control options: H for aligned pilot oil ports; F for perpendicular pilot oil ports.
(15) Ancillary block: Tailor your system with ancillary block port sizes: /2 for G3/8, /3 for G1/2, /4 for G3/4, /5 for G1, ensuring perfect compatibility.
(16) End plate options: E1 - standard with external pilot oil discharge; E2 - adds port Y; E3 - includes a 2-position 3-way magnetic ball valve for increased control; each designed to enhance safety and efficiency by maintaining optimal system pressure.
Further end plate configurations: E4 - internal pilot oil discharge with a sealable port T; E5 - expands on E2 with internal discharge; E6 - follows E3 with internal discharge, offering enhanced control and safety features.
(17) Control voltage and the length of anti-explosion type cable: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12MA-3m-12VDC, featuring anti-explosion type with guide line lengths of 3m, 5m, 10m, etc., offering flexibility and safety in various operational environments.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a beacon of groundbreaking innovation and unmatched excellence in the hydraulic industry. As a prestigious member of the China Baoan Group (stock code: 000009), we are proud to be recognized as a national high-tech enterprise. Our forte lies in the research, development, manufacturing, and sales of premium hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise signifies our relentless dedication to technological advancement and superior quality, positioning us as a leader in the field.
Our flagship product, the Load Sensitive Valve for Effective Crane Hydraulic Control, stands at the pinnacle of advanced hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this versatile and adaptable component is indispensable in high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic collaborations with numerous leading domestic manufacturers, playing a pivotal role in localizing 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 steadfast in our commitment to delivering exceptional products, services, and solutions. Our mission is to ascend 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 is typically one month following receipt of payment. This timeframe allows us to ensure meticulous preparation and stringent quality control for optimal results, ensuring your products are delivered flawlessly.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an exceptionally low minimum order quantity. Even a single piece can be ordered for sample checking to meet your specific needs, providing ultimate flexibility for your projects.
Question:3. How to proceed with an order for LED lights?
Answer: First, inform us of your detailed requirements or application. Second, we will provide a customized quote based on your needs or our expert recommendations. Third, you confirm thedrawings,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. Please inform us formally before production begins, and confirm the design based on the sample we provide. This ensures your branding is perfectly represented with precision and quality.
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