Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels are expertly crafted to integrate pressure, flow, and directional control into one seamless, harmonious unit, ensuring unmatched performance and reliability. Composed of three vital functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously engineered for incorporation into high-end hydraulic systems, essential in top-tier engineering machinery. With precision and finesse, they govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unparalleled accuracy and control. Key features include a compact structure, superior energy efficiency, and the capability for stepless speed control. They empower multiple actuators to operate concurrently under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are crafted with expertise for constant displacement pump systems, ensuring steadfast and reliable operation. In contrast, the HLPSV valves are masterfully engineered for variable pump systems. While they may exhibit a slightly slower response time, HLPSV valves shine 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 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)Fundamental Code of Connection Block: Essential Knowledge
HLPSL: Constant Displacement Pump - Steady Flow for Reliable Performance;
HLPSV: Variable Displacement Pump - Adaptable to Your Needs;
(2) Port P & R Specifications of the Connection Block: Tailored Fit for Optimal Function:
2-G3/8;
3-G1/2;;
4-G3/4;;
5, 55-G1;
6-G1 1/4;
(3)Additional Component Details: Dive into the Technical Aspects:
C,Standard Type - Trusted and True;
G,Throttle Valve (Applicable Exclusively to HLPSL) - Precision Control;
H,Fixed Differential Overflow Valve Enhancing Circulating Pressure (approximately 14 bar, HLPSL) - Efficient Energy Management;
(4)Pilot Oil Circuit Pressure: Customize Your Pressure Preferences0 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: Choose the Perfect Fit - 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 - Tailored to Your Needs;
(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) - Versatile Control for Any Application;
(7)Product Series: -2 series; Comprehensive and Robust;-3 series; -5 series; Innovative Designs for Advanced Performance
(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, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for inlet and outlet (ideal for N 3/3-way valve); 5, enhanced inflow controller; 8, pre-selectable;
(10) Function symbol of valve core: L, M, F, H, J, B, R, O, N;
(11) Output flow code of ports A & B: Select from maximum output flows of ports A & B: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary pressure limitation: N, no pressure limiting protection; C, limit the pressure of actuator ports A & B simultaneously; A---B---, limit the pressure of actuator ports A & B separately, unit (bar);
(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;
(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), electric proportional control and manual operation (1=without handle, 2=with short handle); D, electric switching value control; DA(1,2), electric switching value control and manual operation (1=without handle, 2=with short handle); M, manual friction positioning with long handle; H, pure hydraulic control (pilot oil ports align with oil ports A and B); F, pure hydraulic control (pilot oil ports perpendicular to oil ports A and B, 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, external discharge of pilot oil, connecting oil return control port T externally; E2, similar to E1, external discharge of pilot oil, port Y is additionally attached; E3, external discharge of pilot oil, a 2-position 3-way magnetic ball valve is mounted; upon power supply, system pressure rises to safety valve pressure;
E4, similar to E1, internal discharge of pilot oil, port T can be sealed; E5, similar to E2, internal discharge of pilot oil, port T can be sealed; E6, similar to E3, internal discharge of pilot oil, port T can be sealed;
(17) Control voltage and length of anti-explosion type cable: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12MA-3m-12VDC (anti-explosion type, length of guide line: 3m, 5m, 10m, etc.)
Since our grand debut in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has swiftly risen as a shining beacon of groundbreaking innovation and unmatched excellence in the hydraulic industry. As a distinguished member of the elite China Baoan Group (stock code: 000009), we take immense pride in being recognized as a national high-tech enterprise. Our expertise shines in the research, development, manufacturing, and sales of premium hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering dedication to technological advancement and superior quality, firmly establishing us as a leader in the field.
Our flagship marvel, the load-sensitive proportional valve, stands at the apex 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 take immense pride in our 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 remain steadfast in our commitment to delivering exceptional products, services, and solutions. Our ambition 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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