Introducing the groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a marvel in engineering sophistication. These exceptional devices seamlessly integrate pressure, flow, and directional control into a single, harmonious unit, ensuring unrivaled performance and reliability. Comprising three fundamental modules-connecting blocks, directional valves, and end plates-these valves are intricately crafted to fit high-end hydraulic systems, crucial in elite engineering machinery. They masterfully govern the movement direction and velocity of hydraulic cylinders, motors, and other actuators, offering unparalleled precision and control. Key features include a compact design, unmatched energy efficiency, and the potential for stepless speed control. Furthermore, they boast the ability for multiple actuators to operate concurrently under varying loads, delivering unmatched performance and versatility in any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring steadfast and reliable operation. In contrast, the HLPSV valves are expertly engineered for variable pump systems. While HLPSV valves may demonstrate a slightly slower response time, they surpass expectations with their exceptional energy-saving performance, making them the definitive choice for scenarios where efficiency is crucial. With advanced engineering and energy-efficient design, HLPSV valves stand out as the ultimate solution for sophisticated 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
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, featuring an ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve for exceptional performance and reliability;
(9)Directional valve block inflow controller options: 1, no inflow controller; 2, standard inflow controller; 4, precisely engineered 3-way flow controllers for both inlet and outlet, perfect for N 3/3-way valve needs; 5, robustly enhanced inflow controller; 8, pre-selectable for tailored solutions;
(10) Dynamic function symbols of valve core: L, M, F, H, J, B, R, O, N, unlocking versatile applications;
(11) Output flow code for ports A & B: Select from a range of maximum output flows for ports A & B, including 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min), to meet diverse operational demands;
(12) Advanced secondary pressure limitation: N, without pressure limiting protection; C, dual port pressure limitation for actuator ports A & B; A---B---, individually limit the pressure of actuator ports A & B, measured in unit (bar), ensuring safety and efficiency;
(13) ON/OFF functionality and pressure outlet: N, no ON/OFF function or pressure outlet; X C type pressure limitation; S/S1 AB type pressure limitation; A, electrical ON/OFF feature on side A; B, electrical ON/OFF feature on side B, enhancing operational flexibility;
(14) Operation mode options: A(1,2), manual operation with a choice of long or short handle; E, electric proportional control; EA(1,2), combination of electric proportional control and manual operation; D, electric switching value control; DA(1,2), electric switching value control with manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment with ports A and B); F, pure hydraulic control (perpendicular arrangement to A and B), offering optimized efficiency and versatility;
(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, designed for seamless compatibility and adaptability;
(16) End plate variations: E1, standard end plate, facilitating external discharge of pilot oil, with an option to connect oil return control port T externally; E2, similar features with additional port Y; E3, incorporating a 2-position 3-way magnetic ball valve to manage system pressure in power supply scenarios;
E4, E5, and E6, offer variations of internal discharge of pilot oil with sealable port T, featuring nuanced functionality for diverse requirements;
(17) Control voltage and cable length options for anti-explosion configurations: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12MA-3m-12VDC (anti-explosion type, available in a variety of guide line lengths: 3m, 5m, 10m, providing unparalleled safety and customization)
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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