Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true marvel in the realm of hydraulic technology. These masterpieces represent the zenith of innovation, effortlessly unifying pressure, flow, and directional control into a single, cohesive unit. This fusion guarantees unmatched performance and reliability across any application. Crafted from three integral functional modules - connecting blocks, directional valves, and end plates - these valves are meticulously designed for seamless integration into elite hydraulic systems, indispensable for premier engineering machinery. They exquisitely regulate the movement direction and speed of hydraulic cylinders, motors, and other actuators, ensuring unparalleled precision and control. Their hallmark features include a compact design, superior energy efficiency, and advanced stepless speed control. Additionally, they empower multiple actuators to function concurrently under diverse loads, providing extraordinary performance and versatility for every application.
The HLPSL valves are meticulously designed for constant displacement pump systems, guaranteeing reliable and steadfast operation in any environment. Conversely, the HLPSV valves are expertly crafted for variable pump systems. Although HLPSV valves may exhibit a marginally slower response time, they are distinguished by their remarkable energy-saving capabilities, making them the premier choice where efficiency is paramount. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the epitome of advanced hydraulic control solutions, delivering an impeccable 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 - This is the bedrock of exceptional performance, designed to ensure that your operations proceed with unwavering reliability and utmost efficiency.;
HLPSV: Variable Displacement Pump - Embodying supreme versatility and adaptability, it is crafted to meet an array of operational demands with unmatched flexibility.;
(2) Connection Block Ports P & R Specifications - A perfect synergy of precision and reliability, fortifying your operations::
2-G3/8; Crafted for optimal efficiency, this specification supports streamlined and harmonious operational processes.
3-G1/2; Constructed with strength and reliability, it provides a robust and enduring foundation for your system's needs.;
4-G3/4; Facilitating advanced connectivity, it ensures superior control and enhanced system integration capabilities.;
5, 55-G1; Designed for a superior flow rate, this is ideal for high-demand applications, guaranteeing consistent and optimal performance.;
6-G1 1/4; Offering unparalleled performance, it is tailored to excel in demanding conditions and overcome any challenges effortlessly.;
(3) Additional Components and Specifications - Elevating system capabilities to unprecedented heights::
C,Standard Type - A steadfast and dependable choice, meticulously crafted to meet your core operational requirements.;
G,Throttle Valve (For HLPSL only) - Ensuring precise control, this component enhances overall system efficiency significantly.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - It optimizes flow management to drive superior performance and ensure dependable operations.;
(4) Pilot Oil Circuit Pressure Options - Delivering bespoke pressure control solutions for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Each option provides customized solutions to seamlessly address your specific operational needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing operational efficiency and precise control:C - No magnetic ball valve; F - Normally open magnetic ball valve, energizing the pump when powered and unloading it when unpowered; D - Normally closed magnetic ball valve, unloading the pump when powered and energizing it when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50), this feature boasts a precise pressure value, delivering unparalleled safety measures to uphold seamless operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: This innovative component provides adjustable settings at 63, 120, 210, 280, 315, 350, and 400 bar levels, epitomizing versatility and precision engineering. For simplicity seekers, /NF stands for no pressure limiting valve, expertly designed for HLPSV. This ensures exceptional pressure control across various scenarios, rendering it indispensable for your hydraulic solutions.
(7) Product Series Classification - A Manifestation of Supreme Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously crafted to cater to every application, assuring you receive a precisely tailored product that fulfills your exact specifications.
(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, designed for flawless integration.
(9)Directional valve block inflow controller options: Choose from: 1, no inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controller for both inlet and outlet, ideal for the N 3/3-way valve; 5, reinforced inflow controller; 8, pre-selectable options, each ensuring precision and superior efficiency.
(10) Valve core function symbols: Discover an extensive range of core functions: L, M, F, H, J, B, R, O, N, each exquisitely crafted to meet distinctive functional needs.
(11) Output flow code for ports A & B: Achieve peak efficiency with the available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 L/min, uniquely designed for optimal performance.
(12) Secondary pressure limitation options: Select from: N, no pressure limiting protection; C, simultaneous pressure limitation of actuator ports A & B; A---B---, independent pressure limitation for ports A & B, all bar-measured for unmatched system safety.
(13) Function ON/OFF and pressure outlet options: Tailored options include: N, no 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 engineered for precise control.
(14) Operation modes: An array of diverse operation modes: A(1,2), manual operation with optional long or short handle; E, electric proportional control; EA(1,2), a hybrid of electric proportional control and manual operation; D, electric switching value control; DA(1,2), a combination of 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, designed for comprehensive control.
(15) Ancillary block port sizes: Choose from versatile options: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, impeccably engineered for seamless adaptability.
(16) End plate options: Discover a range of expertly tailored end plate selections including: E1, our standard choice, offers an external discharge of pilot oil and an external oil return control port T; E2, enhancing E1 with an additional port Y for increased functionality; E3, incorporating a 2-position 3-way magnetic ball valve, which elevates the system pressure to safety valve levels during power supply, ensuring maximum security.
E4, similar to E1, features an internal discharge of pilot oil, sealing port T for advanced containment; E5, akin to E2, includes internal discharge management; E6, mirroring E3, each of these options guarantees sophisticated and precise discharge control.
(17) Control voltage and the length of anti-explosion type cable options: Choose from a variety of configurations like G12-12VDC, meticulously designed to ensure safety and seamless compatibility with specialized applications, delivering peace of mind.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 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: Begin your journey with us by providing your specific requirements or intended uses. We'll craft a bespoke quote aligning with your vision and expertise. Upon reviewing the design and securing a deposit, your order is set for production. Every detail is meticulously attended to, ensuring a bespoke solution tailored just for you.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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