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 dependable and steady output.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and optimal flexibility.;
(2) Connection Block Ports P & R Specifications - Precision and trustworthiness you can rely on::
2-G3/8; Streamlined for compact and efficient operations.
3-G1/2; Sturdy and exceptionally reliable.;
4-G3/4; Advanced connectivity empowering superior control.;
5, 55-G1; Delivering superior flow rates for high-demand applications.;
6-G1 1/4; Unmatched performance elevation in the field.;
(3) Additional Components and Specifications - Amplifying your system's potential::
C,Standard Type - A dependable foundation for all your requirements.;
G,Throttle Valve (For HLPSL only) - Precision control ensured.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Flow management optimized for enhanced performance.;
(4) Pilot Oil Circuit Pressure Options - Customizable control for versatile applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Solutions tailored to meet your specific requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Efficiency and control streamlined:C - No magnetic ball valve; F - Normally open magnetic ball valve, powers up with pressurized pump, unloads when unpowered; D - Normally closed magnetic ball valve, unloads when powered, pressurizes when unpowered;D/F - Equipped with pressure limiting valve for secondary pressure (F50) with specified pressure value; Advanced safety measures ensuring secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Unleash the power of precision with our adjustable settings available at 63, 120, 210, 280, 315, 350, 400 bar. For those who prefer no pressure limiting valve, choose /NF for HLPSV only. Experience unmatched optimal pressure control across diverse scenarios, ensuring the utmost safety and efficiency.
(7) Product Series Classification - Identifying excellence: Discover our tailored solutions:;-2 2 Series; -3 3 Series; -5 5 Series; Perfectly designed for a myriad of applications, tailored with precision for your specific needs.
(8)Thread size of directional spool valve ports A & B: Choose from our versatile threading options:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A, incorporate an ancillary block or an intermediate transition block ZPL 5S(V)/H for supreme hydraulic control shut-off valve solutions.
(9)Directional valve block inflow controller options: Choose the perfect inflow controller to meet your needs: 1, without inflow controller; 2, standard inflow controller for effective management; 4, advanced 3-way flow controllers ideal for N 3/3-way valve systems; 5, fortified inflow controller; 8, pre-selectable for tailored functionality.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N, each symbolizing a unique functionality to enhance operational performance.
(11) Output flow code for ports A & B: Achieve exceptional fluid management with our range of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min).
(12) Secondary pressure limitation options: N, opt for no pressure limiting protection; C, limit the pressure for actuator ports A & B simultaneously; A---B---, precisely limit the pressure for actuator ports A & B separately, calibrated in units of bars.
(13) Function ON/OFF and pressure outlet options: Customize your system with these options: N, without function ON/OFF and pressure outlet; X C type pressure limitation for added security; S/S1 AB type pressure limitation; A, electrical ON/OFF on side A; B, electrical ON/OFF on side B.
(14) Operation modes: Tailor your control with versatile operation modes: A(1,2), manual operation with long handle (1=without handle, 2=with short handle); E, electric proportional control for precision; EA(1,2), combining 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 with manual operation (1=without handle, 2=with short handle); M, manual friction positioning with long handle; H, pure hydraulic control aligned with oil ports A and B; F, pure hydraulic control with perpendicular alignment to oil ports A and B.
(15) Ancillary block port sizes: Choose from our expertly crafted sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1.
(16) End plate options: E1, standard end plate facilitating external discharge of pilot oil with control port T external connection; E2, akin to E1 with additional port Y; E3, external discharge of pilot oil featuring a 2-position 3-way magnetic ball valve, ensuring system pressure elevates to safety valve pressure under power supply conditions.
E4, similar to E1, with internal pilot oil discharge and the option to seal port T; E5, echoing E2, with internal discharge and sealable port T; E6, mirroring E3, with internal discharge and sealing capability for port T.
(17) Control voltage and the length of anti-explosion type cable options: G12-12VDC, engineered for ultimate safety and reliability in demanding environments.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:Our production lead time is generally around one month after we receive payment. This timeframe allows us to conduct comprehensive preparations and implement rigorous quality assurance protocols. We meticulously oversee every aspect to guarantee that your products are delivered with absolute precision and excellence.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We provide our customers with the extraordinary flexibility of a very low minimum order quantity, which means you can even order just a single piece for sample evaluation. This approach is designed to perfectly align with your requirements, making it exceedingly simple for you to initiate your projects with ease.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by sharing your specific requirements or intended applications with us. We will then craft a personalized quote tailored to your needs or based on our expert suggestions. Upon your confirmation of the drawings and once the deposit is placed, we will finalize the order and initiate production. We take great care to ensure every specification is met with precision, delivering a seamless and customized 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 possible. Simply inform us formally before production begins and confirm the design based on the sample we provide. This ensures that your branding is represented with utmost precision and quality.
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