Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, a true marvel in modern engineering. These innovative components seamlessly blend pressure, flow, and directional control into one cohesive unit, ensuring performance and reliability that stand unmatched. Each valve is meticulously constructed from three vital modules: connecting blocks, directional valves, and end plates. Designed for integration into high-performance hydraulic systems, they are essential in the most sophisticated engineering machinery. Our valves precisely direct and control the movement and speed of hydraulic cylinders, motors, and other actuators, providing unmatched precision and mastery. Key attributes include a compact form, superior energy efficiency, and the ability to control speed smoothly and without steps. Additionally, they allow multiple actuators to function concurrently under various loads, offering exceptional performance and adaptability for any application.
The HLPSL valves are precisely crafted for constant displacement pump systems, ensuring dependable and consistent operation. Meanwhile, the HLPSV valves are engineered to perfection for variable pump systems. Although HLPSV valves might exhibit a slightly slower response time, they shine in delivering remarkable energy efficiency, making them the top choice for applications where saving energy is crucial. With state-of-the-art engineering and an energy-efficient design, HLPSV valves stand out as the premium solution for advanced 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 reliability that stands the test of time.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle, providing seamless flexibility and efficiency.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust, meticulously crafted for peak performance::
2-G3/8; Compact in design, yet highly efficient, a marvel of modern engineering.
3-G1/2; Renowned for reliability and robustness, assuring durability under all conditions.;
4-G3/4; Advanced connectivity for superior performance, guaranteeing seamless integration.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics, crafted for excellence.;
6-G1 1/4; Unmatched in performance and reliability, a testament to high-quality standards.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights, unlocking unprecedented potential::
C,Standard Type - A dependable baseline for all applications, ensuring consistent results.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control, enhancing every operation.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management, ensuring flawless performance.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs, delivering precise regulation:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your precise requirements, perfecting every detail.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness, enhancing operational simplicity: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 systems with cutting-edge technology.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Seamlessly set desired pressure levels with options at 63, 120, 210, 280, 315, 350, 400 bar. Experience ultimate flexibility with /NF: No pressure limiting valve (HLPSV only), ensuring unrivaled pressure management and enhanced safety.
(7) Product Series Classification - Identifying Excellence in Engineering:;-2 2 Series; -3 3 Series; -5 5 Series; Custom-crafted solutions for every unique application.
(8)Thread Size of Directional Spool Valve Ports A & B: Precision engineered for perfect fit:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A range of options, including ancillary blocks or intermediate transition blocks ZPL 5S(V)/H hydraulic control shut-off valve, to meet diverse needs.
(9)Directional Valve Block Inflow Controller Options: Choose from 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 for tailored control.
(10) Valve Core Function Symbols: L, M, F, H, J, B, R, O, N; Unleash diverse operational capabilities.
(11) Output Flow Code for Ports A & B: Maximize efficiency with available maximum output flows ranging from 3 to 210 (L/min).
(12) Secondary Pressure Limitation Options: Offering flexibility with N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, separate pressure limitation for actuator ports A & B, unit (bar).
(13) Function ON/OFF and Pressure Outlet Options: Configurable with 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, for precise control.
(14) Operation Modes: Versatile options including A(1,2) for manual operation with long or short handle; E for electric proportional control; EA(1,2) combining electric and manual control; D for electric switching value control; DA(1,2) blending electric control and manual operation; M for manual friction positioning; H for pure hydraulic control with aligned pilot oil ports; F for pure hydraulic control with perpendicular and outward pilot oil ports.
(15) Ancillary Block Port Sizes: Options from /2 G3/8 to /5 G1, catering to specific requirements.
(16) End Plate Options: E1 to E6, offering variations in the discharge of pilot oil, ranging from external to internal, with additional features like magnetic ball valves for optimized system pressure management.
Internal sealing capabilities enhance versatility.
(17) Control Voltage and Anti-Explosion Cable Length Options: G12-12VDC, tailored for safety and reliability.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. 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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