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 consistent and reliable performance, ensuring stable operations across various conditions.;
HLPSV: Variable Displacement Pump - Offering adaptability and unmatched flexibility, tailored to meet diverse operational demands.;
(2) Connection Block Ports P & R Specifications - Precision-crafted for reliability you can trust, ensuring seamless operations::
2-G3/8; Compact design for efficient, streamlined operations.
3-G1/2; Engineered for robustness and dependability.;
4-G3/4; Advanced connectivity features for superior control capabilities.;
5, 55-G1; Designed to provide superior flow rates for high-demand applications.;
6-G1 1/4; Delivering unmatched operational performance in the most demanding fields.;
(3) Additional Components and Specifications - Elevating the capabilities of your system to new heights::
C,Standard Type - Your dependable baseline solution, tailored to meet essential requirements.;
G,Throttle Valve (For HLPSL only) - Precision-engineered to ensure accurate control at all times.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized for flow management to enhance overall performance.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control, tailored for a wide range of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Providing tailored solutions specific to your operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Designed for streamlined efficiency and unparalleled 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 - Equipped with a pressure limiting valve for secondary pressure (F50) with specified pressure value; Advanced safety measures to ensure secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Discover unparalleled control with adjustable settings ranging from 63 to 400 bar, ensuring superior performance in varied applications.
(7) Product Series Classification - Identifying excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Meticulously crafted to meet the distinct needs of every unique application.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Incorporating ancillary block or intermediate transition block with ZPL 5S(V)/H hydraulic control shut-off valve.
(9)Directional valve block inflow controller options: Tailored options include standard, 3-way, strengthened, and pre-selectable inflow controllers for optimal performance.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N;
(11) Output flow code for ports A & B: Experience versatility with output flows ranging from 3 to 210 L/min, maximizing efficiency and control.
(12) Secondary pressure limitation options: Choose from no limitation, simultaneous, or separate pressure limiting for ports A & B, accommodating up to 400 bar.
(13) Function ON/OFF and pressure outlet options: Options include electrical ON/OFF and varying pressure limitations, tailored to specific operational needs.
(14) Operation modes: A diverse selection ranging from manual and electric controls to pure hydraulic options, fit for every operational requirement.
(15) Ancillary block port sizes: Choose from /2 G3/8, /3 G1/2, /4 G3/4, /5 G1, catering to specific connection needs.
(16) End plate options: Multiple configurations including standard, with external or internal discharge, and innovative magnetic ball valve attachment for enhanced safety.
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 the length of anti-explosion type cable options: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has illuminated the hydraulic industry with groundbreaking innovation and unparalleled excellence. As a prestigious subsidiary of the esteemed China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Our expertise lies in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Our esteemed designation as a national 'specialized, refined, and innovative' small giant enterprise underscores our unwavering commitment to technological advancement and superior quality. This relentless dedication positions us as frontrunners in our field.
Our flagship product, the load-sensitive proportional valve, epitomizes the pinnacle of advanced hydraulic system control. Expertly engineered for construction machinery and heavy-duty equipment, this versatile component is vital for 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. Guided by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are resolute 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 benchmarks of excellence worldwide.
Question:1. What about the lead time?
Answer:The lead time for production is generally around one month after we receive payment. This period is dedicated to thorough preparation and the implementation of rigorous quality control measures. Every aspect is meticulously attended to, ensuring your products are delivered in impeccable condition.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We provide an exceptionally low minimum order quantity, offering you the liberty to order even a single piece for sample evaluation. Our flexibility ensures that your distinct requirements are perfectly met, facilitating a smooth start to your projects with ease.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or specific applications. We will then furnish you with a personalized quote tailored to your needs or based on our expert recommendations. Once you confirm the drawings and place a deposit, we will formalize the order and commence production. Every detail will be meticulously adhered to, assuring 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 feasible. Simply inform us formally before production commences and confirm the design based on the sample we provide. This process ensures that your branding is represented with the utmost precision and superior quality.
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