Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering creations epitomize the zenith of hydraulic innovation, flawlessly merging pressure, flow, and directional control into a single, harmonious masterpiece. This guarantees unparalleled performance and reliability across every application. Typically composed of three essential functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously engineered for seamless integration into high-end hydraulic systems, vital for top-tier engineering machinery. They precisely govern the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unmatched precision and control. Key highlights include a compact structure, superior energy efficiency, and the ability for stepless speed control. Beyond this, they empower multiple actuators to operate simultaneously under varying loads, delivering unrivaled performance and versatility for any application.
The HLPSL valves are expertly tailored for constant displacement pump systems, ensuring steadfast and reliable operation in every setting. 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 stand out as the premier solution for advanced hydraulic control requirements, offering a perfect blend of precision, reliability, and efficiency.
| 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 unwavering and reliable performance, ensuring every operation is conducted with superior smoothness and efficiency.;
HLPSV: Variable Displacement Pump - The epitome of versatility and adaptability, providing unmatched flexibility to cater to a wide range of operational demands and requirements.;
(2) Connection Block Ports P & R Specifications - A nexus where precision seamlessly intertwines with reliability, supporting dependable operations with confidence::
2-G3/8; Engineered for compactness and efficiency, designed to facilitate streamlined and seamless operational workflows effortlessly.
3-G1/2; Crafted for strength and reliability, providing a sturdy backbone that fortifies your system's integrity.;
4-G3/4; Elevating connectivity with advanced integration, delivering superior control and enhanced system performance.;
5, 55-G1; Ideal for high-demand applications, with a remarkable flow rate that ensures consistent and reliable performance.;
6-G1 1/4; Setting benchmarks in performance, crafted to excel in the field and master rigorous challenges.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A dependable and trustworthy foundational type, meticulously designed to meet your core operational needs.;
G,Throttle Valve (For HLPSL only) - Guarantees precise control, significantly enhancing the overall efficiency of your system.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimizes flow management, driving exceptional performance and unwavering dependability.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control solutions for a myriad of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Delivering custom solutions that impeccably meet your specific operational demands.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and elevating control precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered, offering efficient unloading when unpowered; D - Normally closed magnetic ball valve, allows unloading when powered, and pressurizes when unpowered;D/F - Equipped with an advanced pressure limiting valve for secondary pressure (F50) possessing a specified pressure value. This ensures enhanced safety measures to secure and maintain optimal operational integrity.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Engineered to offer adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, this component epitomizes unmatched versatility and precision. Designed for those seeking simplicity, /NF represents no pressure limiting valve, specifically tailored for HLPSV. This feature guarantees optimal pressure control across diverse scenarios, making it an indispensable solution for your hydraulic requirements.
(7) Product Series Classification - Embodying the Pinnacle of Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to match every unique application, ensuring you receive a product that precisely meets your exacting standards and requirements.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; including ancillary blocks or the intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, meticulously crafted for seamless and flawless integration.
(9)Directional valve block inflow controller options: Choose from: 1, without inflow controller; 2, standard inflow controller; 4, an advanced 3-way flow controller for both inlet and outlet, perfect for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring precision, efficiency, and optimal performance.
(10) Valve core function symbols: Discover a comprehensive array of core functions: L, M, F, H, J, B, R, O, N, each meticulously engineered to fulfill distinctive functional requirements with precision.
(11) Output flow code for ports A & B: Maximize efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, tailored perfectly for optimal performance and efficiency.
(12) Secondary pressure limitation options: Opt between: N, no pressure limiting protection; C, simultaneous pressure limitation on actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all measured in bar, ensuring robust and reliable system safety.
(13) Function ON/OFF and pressure outlet options: Available customizable options include: N, without function ON/OFF or 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, each crafted for precision and control.
(14) Operation modes: Explore diverse operation modes available: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a blend of electric proportional control and manual operation; D, electric switching value control; DA(1,2), combined electric switching value control and manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (alignment of pilot oil ports with oil ports A and B); F, pure hydraulic control with perpendicular pilot oil ports, crafted meticulously for comprehensive control across applications.
(15) Ancillary block port sizes: Select from a range of versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, all engineered for seamless adaptability and performance.
(16) End plate options: Discover the tailored collection of end plate choices crafted for precision and performance, including: E1, the standard option, featuring an external discharge of pilot oil and an external oil return control port T; E2, mirroring E1, yet enhanced with an additional port Y; E3, incorporating a 2-position 3-way magnetic ball valve, skillfully elevating system pressure to safety valve levels during power supply.
E4, presenting similarity to E1 while providing internal discharge of pilot oil, with a sealed port T; E5, a reflection of E2, offers internal discharge; E6, in the likeness of E3, each option ensuring sophisticated and reliable discharge control.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a spectrum of options like G12-12VDC, designed to ensure safety and seamless compatibility with specialized applications.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 been a beacon of innovation and unmatched excellence in the hydraulic industry. Proudly operating as a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we stand tall as a distinguished national high-tech enterprise. Our expertise shines in the meticulous research, development, manufacturing, and sales of premium hydraulic components. Recognized as a national 'specialized, refined, and innovative' small giant enterprise, we demonstrate an unwavering dedication to technological advancement and superior quality. This relentless commitment positions us as true frontrunners in our field.
Our flagship masterpiece, the load-sensitive proportional valve, represents the zenith of hydraulic system control sophistication. Masterfully engineered for construction machinery and heavy-duty equipment, this multifaceted component is absolutely essential for high-stakes operations like emergency rescue missions, tunnel engineering, mining endeavors, and municipal service vehicles. We proudly engage in strategic collaborations with many leading domestic manufacturers, playing a pivotal role in the localization of core hydraulic components for high-end mechanical equipment. Driven by our core philosophy - 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality' - we remain unwavering 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 around the world.
Question:1. What about the lead time?
Answer:The lead time for production is typically around one month following receipt of payment. During this period, we engage in detailed preparation and implement stringent quality control measures to ensure that every product reaches you in perfect condition. Your satisfaction with our impeccable delivery is our top priority.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an impressively low minimum order quantity, allowing you the flexibility to order even a single piece for sample verification. This adaptability means you can start your projects with ease and precision, meeting your unique requirements without hassle.
Question:3. How to proceed with an order for LED lights?
Answer: Initiate the process by sharing your detailed requirements or intended applications with us. We will then tailor a quote specifically for you, based on your needs or through our expert advice. Upon confirming the drawings and placing a deposit, we will finalize the order and commence production. We ensure every specification is adhered to with precision, offering you a seamless and customized solution.drawings,and place a deposit to formalize the order. Ultimately, we will organize production, guaranteeing that every detail is executed to perfection for a seamless and tailored solution.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, this is certainly possible. Please make sure to inform us formally before the production begins and confirm the design based on the sample we provide. This ensures that your branding is showcased with utmost precision and superior quality, reflecting your identity perfectly.
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