Step into the future with our pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, the epitome of engineering excellence. These innovative solutions elegantly merge pressure, flow, and directional control into one seamless, cohesive unit, ensuring unmatched performance and steadfast reliability. Crafted with precision, these valves consist of three crucial functional modules-connecting blocks, directional valves, and end plates-designed meticulously for integration into superior hydraulic systems, essential for top-tier engineering machinery. They offer precise regulation of the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Standout features include a compact design, supreme energy efficiency, and the proficiency for stepless speed control. Moreover, these valves enable multiple actuators to operate concurrently under varying loads, offering unrivaled performance and versatility across diverse applications.
The HLPSL valves are meticulously crafted for constant displacement pump systems, promising unwavering and dependable operation. In contrast, the HLPSV valves are ingeniously designed for variable pump systems. Although HLPSV valves may showcase a slightly slower response time, they excel in delivering outstanding energy-saving performance, rendering them the definitive choice for applications where efficiency takes precedence. With their state-of-the-art design and energy-efficient engineering, HLPSV valves stand out as the premier solution for sophisticated hydraulic control necessities.
| 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
HLPSL: Constant Displacement Pump;
HLPSV: Variable Displacement Pump;
(2) Port P & R Specifications of the Connection Block:
2-G3/8;
3-G1/2;
4-G3/4;
5, 55-G1;
6-G1 1/4;
(3)Additional Component Details:
C,Standard Type;
G,Throttle Valve (Applicable Exclusively to HLPSL);
H,Fixed Differential Overflow Valve Enhancing Circulating Pressure (approximately 14 bar, HLPSL);
(4)Pilot Oil Circuit Pressure: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: C, without magnetic ball valve; F, normally open magnetic ball valve (pressurized under power, unloads on power failure); D, normally closed magnetic ball valve (unloads under power, pressurized on power failure);../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;;-3 series; -5 series;
(8)Thread size of directional spool valve ports A & B: 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: 1, standard - no inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controllers for both inlet and outlet, perfectly suited for N 3/3-way valve; 5, enhanced inflow controller options; 8, flexible pre-selectable choices;
(10) Function symbol of valve core: Select from L, M, F, H, J, B, R, O, N to suit your specific application needs;
(11) Output flow code of ports A & B: Choose the ideal flow rate for ports A & B from the available options: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary pressure limitation: Options include N, without pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, separate pressure limitation for actuator ports A & B, unit (bar);
(13) Function ON/OFF and pressure outlet: N, without ON/OFF function and pressure outlet; X C type pressure limitation; S/S1 AB type pressure limitation; A, electrical ON/OFF for side A; B, electrical ON/OFF for side B;
(14) Operation manner: A(1,2), manual operation with extended handle options (1=no handle, 2=short handle included); E, sophisticated electric proportional control; EA(1,2), blend of electric proportional control with manual operation (1=no handle, 2=short handle included); D, electric switching value control; DA(1,2), integration of electric switching value control with manual operation (1=no handle, 2=short handle included); M, manual friction positioning featuring a long handle; H, exclusive hydraulic control with aligned pilot oil ports; F, exclusive hydraulic control with perpendicular pilot oil ports, oriented outward;
(15) Ancillary block: /2 Ancillary block port size G3/8; /3 Ancillary block port size G1/2; /4 Ancillary block port size G3/4; /5 Ancillary block port size G1;
(16) End plate: E1, standard end plate featuring external pilot oil discharge, with an external oil return control port T; E2, akin to E1 but enhanced with an additional port Y; E3, includes external pilot oil discharge and a 2-position 3-way magnetic ball valve; during power supply, the system pressure elevates to meet safety valve pressure requirements;
E4, similar to E1, with internal pilot oil discharge, and port T that can be sealed; E5, similar to E2, with internal pilot oil discharge and sealable port T; E6, similar to E3, with internal pilot oil discharge and sealable port T;
(17) Control voltage and the length of anti-explosion type cable: Options include G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12MA-3m-12VDC (anti-explosion type, with guide line lengths available in 3m, 5m, 10m, etc.)
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 proportional valve, 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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