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 key to consistent and reliable performance, ensuring stability in your operations.;
HLPSV: Variable Displacement Pump - Adaptability and flexibility at its finest, tailor-made for dynamic environments.;
(2) Connection Block Ports P & R Specifications - Unmatched precision and steadfast reliability you can trust::
2-G3/8; Compact and efficient for streamlined operations, optimizing space and functionality.
3-G1/2; Robust and dependable, ensuring unwavering performance even under the most demanding conditions.;
4-G3/4; Advanced connectivity for superior control, perfect for intricate system requirements.;
5, 55-G1; Offering a superior flow rate for high-demand applications, maximizing efficiency and output.;
6-G1 1/4; Delivering unmatched performance in the field, pushing the boundaries of operational excellence.;
(3) Additional Components and Specifications - Elevating system capabilities with innovative design::
C,Standard Type - A dependable baseline for your needs, offering versatility and reliability.;
G,Throttle Valve (For HLPSL only) - Ensuring precision control, fine-tuning system responses with accuracy.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management to enhance performance and efficiency.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control for various applications, adapting to your unique operational needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions for your specific needs, offering peace of mind and adaptability.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency and control, integrating seamlessly into your system: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; Advanced safety measures for secure operations, ensuring robust protection and reliability.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Equipped with adjustable settings ranging at 63, 120, 210, 280, 315, 350, and 400 bar, offering unrivaled flexibility and control for any application. For those utilizing the HLPSV, the /NF option provides a configuration without a pressure limiting valve, ensuring precise pressure control tailored to diverse operational scenarios.
(7) Product Series Classification - Identifying excellence:;-2 2 Series; -3 3 Series; -5 5 Series; These series are expertly tailored to meet the demands of every unique application, ensuring excellence and precision in performance.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Including an ancillary block or an intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve to ensure adaptable and secure connections.
(9)Directional valve block inflow controller options: Offering a variety of inflow controller options to suit specific needs: 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for both inlet and outlet, ideal for N 3/3-way valves; 5, a strengthened inflow controller; 8, pre-selectable for custom configurations.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; A comprehensive range of valve core function symbols designed to cater to all hydraulic control requirements.
(11) Output flow code for ports A & B: Offering a spectrum of maximum output flows, including 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min), to meet diverse operational demands with precision.
(12) Secondary pressure limitation options: Customizable pressure limitation options include N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; and A---B---, separate pressure limitation for ports A & B, in units of bar, ensuring tailored safety solutions.
(13) Function ON/OFF and pressure outlet options: A variety of function and pressure outlet options, including N, without ON/OFF and pressure outlet; X C type pressure limitation; S/S1 AB type pressure limitation; and electrical ON/OFF options on side A or B, provide advanced control and operational flexibility.
(14) Operation modes: Multiple operation modes to suit specific needs: A(1,2), manual with long handle options; E, electric proportional control; EA(1,2), combined electric proportional and manual operation; D, electric switching value control; DA(1,2), combined switching and manual operation; M, manual friction positioning with a long handle; H, pure hydraulic control with aligned pilot oil ports; F, pure hydraulic control with perpendicular pilot oil ports, offering superior versatility and precision.
(15) Ancillary block port sizes: Flexible ancillary block port sizes to accommodate diverse system requirements: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1.
(16) End plate options: Extensive end plate options to ensure optimal system performance: E1, standard with external pilot oil discharge; E2, similar to E1 with additional port Y; E3, with a 2-position 3-way magnetic ball valve, for scenarios with rising system pressure; E4, E5, and E6, similar to E1-E3 respectively, but with internal pilot oil discharge and sealable port T, providing enhanced flexibility and 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; Expertly designed to enhance safety and flexibility in hydraulic systems.
(17) Control Voltage Options & Anti-Explosion Cable Lengths: Experience the flexibility with our control voltage selections and anti-explosion cable length options. Choose from G12 - 12VDC;G24-24VDC; or G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; and more for tailored needs in demanding environments. 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 Hydraulic Control Valve with Enhanced Safety Features, 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 standard lead time for production is approximately one month after the payment is received. This timeframe allows us to meticulously prepare for production, maintaining rigorous quality control throughout the process. We attend to every detail, ensuring your products are delivered with impeccable precision.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We provide an extremely low minimum order quantity, offering you the liberty to order as little as a single piece for sample inspection. This flexibility caters to your precise requirements, facilitating a smooth initiation of your projects.
Question:3. How to proceed with an order for LED lights?
Answer: To initiate your order, share your detailed requirements or intended applications with us. We will then craft a personalized quote that aligns with your needs or based on our seasoned insights. Once you affirm the design drawings and make a deposit, we will finalize the order and initiate production. We guarantee that every specification will be impeccably adhered to, providing you with a custom-tailored solution that is seamless in execution.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: Certainly, we can accommodate that request. Please inform us formally prior to the commencement of production and approve the design based on the sample provided. This ensures your branding is showcased with the highest level of accuracy and craftsmanship.
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