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 cornerstone of consistent, reliable performance in demanding environments.;
HLPSV: Variable Displacement Pump - Experience adaptability and flexibility at their finest.;
(2) Connection Block Ports P & R Specifications - Precision and reliability you can trust::
2-G3/8; Compact and efficient design for streamlined operations.
3-G1/2; Engineered for robustness and dependability.;
4-G3/4; Advanced connectivity providing superior control.;
5, 55-G1; Superior flow rate solution for high-demand applications.;
6-G1 1/4; Unmatched performance delivery in the field.;
(3) Additional Components and Specifications - Elevating system capabilities beyond expectations::
C,Standard Type - A reliable baseline crafted for your specific needs.;
G,Throttle Valve (For HLPSL only) - Engineered to ensure precision control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management to amplify performance.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored solutions to meet your specific requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and superior control: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 - Incorporates pressure limiting valve for secondary pressure (F50) with specified pressure value; Advanced safety protocols for secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Our versatile adjustable settings cater to diverse applications, available at 63, 120, 210, 280, 315, 350, 400 bar. With the /NF option, choose no pressure limiting valve for HLPSV applications. This ensures optimal pressure control tailored for various challenging scenarios.
(7) Product Series Classification - Identifying excellence: Discover our premium classifications, each series designed to deliver unparalleled performance and reliability.;-2 2 Series; -3 3 Series; -5 5 Series; Experience customization tailored for every unique application.
(8)Thread size of directional spool valve ports A & B: Precision-engineered thread sizes available for optimal performance: 2-G3/8, 3-G1/2, 4-G3/4, 5-G1. Complemented with A, an ancillary block or the ZPL 5S(V)/H hydraulic control shut-off valve for seamless integration.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;
(9)Directional valve block inflow controller options: Choose from a variety of inflow controllers tailored to your needs: 1) without inflow controller, 2) standard inflow controller, 4) 3-way flow controllers ideal for N 3/3-way valve applications, 5) strengthened option, and 8) pre-selectable for flexibility.
(10) Valve core function symbols: Explore our range of valve core functions, each symbolizing a specific control capability: L, M, F, H, J, B, R, O, N.
(11) Output flow code for ports A & B: Maximizing efficiency with available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min), ensuring superior performance for your equipment.
(12) Secondary pressure limitation options: Choose from our robust pressure protection options: N) no pressure limiting, C) simultaneous pressure limit on ports A & B, A---B---) separate pressure limit on ports, all measured in bar.
(13) Function ON/OFF and pressure outlet options: Customize with options like N) without function ON/OFF, X C type pressure limitations for precision control, S/S1 AB type pressure limitations, and electrical ON/OFF control on side A or B for enhanced operability.
(14) Operation modes: Explore versatile operation modes: A(1,2) offers manual with handle options, E presents electric proportional control, EA(1,2) blends electric with manual control, D offers electric switching, DA(1,2) combines it with manual, M provides manual friction positioning, and H & F present pure hydraulic control in varying configurations.
(15) Ancillary block port sizes: Adapt with precision using ancillary block port sizes available in /2 G3/8, /3 G1/2, /4 G3/4, and /5 G1, ensuring seamless compatibility.
(16) End plate options: Tailor your system with options like E1) standard end plate, E2) with additional port Y, E3) featuring 2-position 3-way magnetic ball valve for enhanced safety, and internal options E4, E5, E6 for efficient pilot oil discharge management.
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;
(17) Explore our customizable control voltage options with anti-explosion cable lengths: G12-12VDC;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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