Introducing the future of hydraulic technology with our innovative HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These state-of-the-art engineering marvels seamlessly harmonize pressure, flow, and directional control into a singular, elegant entity, ensuring extraordinary performance and reliability. Crafted with precision, they consist of three critical functional modules: connecting blocks, directional valves, and end plates. These components are meticulously designed to integrate into top-tier hydraulic systems, serving as the cornerstone of advanced engineering machinery. They deftly manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, offering unmatched precision and control. Key features include a compact design, exceptional energy efficiency, and the ability for stepless speed control. Additionally, they empower numerous actuators to function simultaneously under diverse loads, delivering unbeatable performance and adaptability for any application.
The HLPSL valves are masterfully designed for constant displacement pump systems, ensuring consistent and dependable operation. In contrast, the HLPSV valves are ingeniously crafted for variable pump systems. While HLPSV valves may demonstrate a marginally slower response, they are unrivaled in delivering phenomenal energy-saving performance, making them the top choice for applications where energy efficiency is of utmost importance. With their advanced engineering and energy-conscious design, HLPSV valves stand as the leading solution for sophisticated hydraulic control needs.
| 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 - A cornerstone for consistent and unwavering performance, ensuring your operations run smoothly without interruption.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle, this pump adapts seamlessly to changing conditions.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust, crafted for exacting performance::
2-G3/8; Compact in design, yet highly efficient, delivering optimal performance in a condensed size.
3-G1/2; Renowned for reliability and robustness, a trusted choice for enduring operations.;
4-G3/4; Advanced connectivity for superior performance, engineered for excellence.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics, revolutionizing your system flow.;
6-G1 1/4; Unmatched in performance and reliability, setting new standards in hydraulic control.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights, offering superior adaptability and function::
C,Standard Type - A dependable baseline for all applications, providing consistent performance.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control, granting you fine-tuned flow management.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management, enhancing operational efficiency.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs, ensuring precise system regulation:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your precise requirements, delivering control at every level.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness in your operations: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. . , With pressure limiting valve for secondary pressure (F50) with specified pressure value; Pioneering advanced safety measures, safeguarding your system.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Offering precision settings ranging from 63 to 400 bar to ensure impeccable pressure control and unmatched safety performance across mining operations. /NF: No pressure limiting valve (HLPSV only), crafted for those who demand absolute consistency in pressure management.
(7) Product Series Classification - Identifying excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each engineered to cater to diverse application needs, offering tailored solutions for every challenge.
(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; Delivering seamless connectivity and reliable valve operation.
(9)Directional valve block inflow controller options: 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for both inlet and outlet (ideal for N 3/3-way valve); 5, strengthened inflow controller; 8, pre-selectable; Perfectly designed to suit a wide range of operational requirements.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; A versatile range of symbols that define the core functionality, tailored for precision.
(11) Output flow code for ports A & B: Available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); Providing optimized flow rates for enhanced operational efficiency.
(12) Secondary pressure limitation options: 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); Safeguarding your equipment with customizable pressure protection settings.
(13) Function ON/OFF and pressure outlet options: 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; Configured for seamless integration into any control system, ensuring precise operational control.
(14) Operation modes: 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 (two pilot oil ports align with oil ports A and B); F, pure hydraulic control (two pilot oil ports are perpendicular to oil ports A and B and outward respectively); Offering a spectrum of operational modes to suit every need, ensuring flexibility and precision.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Designed for compatibility and easy integration with existing systems.
(16) End plate options: 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; in power supply scenarios, the system pressure rises to the safety valve pressure; Engineered for versatility and optimal pressure handling.
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; Providing secure and efficient oil management options.
(17) Control voltage and the length of anti-explosion type cable options: G12-12VDC; Tailored for enhanced safety and adaptability in challenging environments.G24-Our cutting-edge hydraulic safety control systems are available in versatile configurations to meet diverse power requirements: 24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G. Designed for high efficiency and reliability, they ensure optimal performance in demanding mining environments.12bb621436
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 typically around one month following receipt of payment. This period allows us to undertake meticulous preparation and enforce stringent quality control measures. Every detail is taken care of to ensure 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, allowing you the freedom to order even a single piece for sample checking. This flexibility ensures that your specific needs are met perfectly, making it easier to start your projects seamlessly.
Question:3. How to proceed with an order for LED lights?
Answer: Start by informing us of your detailed requirements or applications. We will then provide you with a customized quote based on your needs or our expert recommendations. Once you confirm the drawings and place a deposit, we will formalize the order and arrange production. Every specification will be meticulously met, ensuring a seamless and tailored 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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