Unveiling our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves-true masterpieces of engineering. These innovations bring together the power of pressure, flow, and directional control in one integrated unit, ensuring unparalleled performance and reliability. Crafted with precision, each valve consists of three critical functional modules: connecting blocks, directional valves, and end plates, designed to seamlessly integrate into sophisticated hydraulic systems. Essential for elite engineering machinery, they deftly manage the movement direction and speed of hydraulic cylinders, motors, and actuators, offering precision and unparalleled control. Standout features include a compact design, remarkable energy efficiency, and the capability for stepless speed control. Additionally, these valves allow for the simultaneous operation of multiple actuators under diverse loads, delivering exceptional performance and versatility across a wide range of applications.
Our HLPSL valves are meticulously designed for constant displacement pump systems, ensuring consistent and dependable operation. On the other hand, the HLPSV valves are optimally engineered for variable pump systems. While they may feature a slightly delayed response, HLPSV valves excel in delivering superior energy-saving performance, making them the ideal choice for applications where efficiency is key. With their state-of-the-art engineering and energy-efficient design, HLPSV valves stand as the ultimate solution for sophisticated hydraulic control demands.
| 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 pivotal component ensuring consistent and reliable hydraulic performance.;
HLPSV: Variable Displacement Pump - Exemplifying adaptability and flexibility at its finest.;
(2) Connection Block Ports P & R Specifications - Precision and reliability you can depend on::
2-G3/8; Compact, efficient, and designed for streamlined operations.
3-G1/2; Robust construction ensuring dependable performance.;
4-G3/4; Advanced connectivity fostering superior control and operation.;
5, 55-G1; Offers an exceptional flow rate, catering to high-demand applications.;
6-G1 1/4; Delivering unparalleled performance in every field application.;
(3) Additional Components and Specifications - Enhancing system capabilities beyond expectation::
C,Standard Type - A reliable baseline tailored to meet your operational needs.;
G,Throttle Valve (For HLPSL only) - Ensures precision and meticulous control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management for superior performance.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control for diverse applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored pressure solutions to meet your bespoke requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Offers streamlined efficiency and precise control:C - No magnetic ball valve; F - Normally open magnetic ball valve, pressurizes the pump when powered and unloads it when unpowered; D - Normally closed magnetic ball valve, unloads the pump when powered, pressurizes when unpowered;D/F - Pressure limiting valve for secondary pressure (F50) with a specified pressure value; Advanced safety measures ensuring secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience seamless adaptability with adjustable settings ranging from 63 to 400 bar. Choose /NF for no pressure limiting valve (HLPSV only) and ensure premium pressure regulation across diverse scenarios.
(7) Product Series Classification - Unveiling unparalleled excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Precisely engineered for every conceivable application.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A choice of ancillary block or intermediate transition block ZPL 5S(V)/H for hydraulic control shut-off valve;
(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. Select for tailored fluid management.
(10) Valve core function symbols: Discover a range of functionalities with symbols L, M, F, H, J, B, R, O, N;
(11) Output flow code for ports A & B: Embrace optimal performance with available output flows of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary pressure limitation options: N - no pressure limiting protection, C - simultaneous limitation of actuator ports A & B pressure, A---B--- - separate pressure limitation for actuator ports A & B, unit (bar);
(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;
(14) Operation modes: A(1,2) - manual operation with long handle, E - electric proportional control, EA(1,2) - electric proportional control with manual operation, D - electric switching value control, DA(1,2) - electric switching value control with manual operation, M - manual friction positioning, H - pure hydraulic control align, F - pure hydraulic control perpendicular;
(15) Ancillary block port sizes: Available in /2 G3/8, /3 G1/2, /4 G3/4, /5 G1;
(16) End plate options: E1 - standard end plate with external pilot oil discharge, E2 - similar with additional port Y, E3 - 2-position 3-way magnetic ball valve, E4 - internal pilot oil discharge with sealable port T options;
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) Control voltage and the length of anti-explosion type cable options: 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 emerged as a beacon of innovation and excellence within the hydraulic industry. As a proud subsidiary of the esteemed China Baoan Group (stock code: 000009), we have secured our position as a national high-tech enterprise of distinction. Our expertise encompasses the precise research, development, manufacturing, and sales of top-tier hydraulic components. With our prestigious designation as a national 'specialized, refined, and innovative' small giant enterprise, we underscore our unwavering dedication to technological advancement and superior quality. This relentless pursuit of excellence positions us as true leaders in our field.
Our flagship offering, the load-sensitive proportional valve, stands as a testament to the height of advanced hydraulic system control. Masterfully crafted for construction machinery and heavy-duty equipment, this adaptable component is indispensable for high-stakes applications, including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are deeply proud of our strategic partnerships with numerous leading domestic manufacturers, playing an integral role in localizing essential hydraulic components for sophisticated mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are steadfast in our commitment to delivering outstanding products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, establishing new standards of excellence across the globe.
Question:1. What about the lead time?
Answer:Our production lead time is typically around one month following receipt of payment. This timeframe allows us to meticulously prepare and enforce rigorous quality control measures. We handle every aspect with utmost care to ensure that your products are delivered in flawless condition.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We provide an exceptionally low minimum order quantity, offering you the freedom to order as little as a single piece for sample evaluation. This flexibility ensures that your precise needs are impeccably met, facilitating seamless initiation of your projects.
Question:3. How to proceed with an order for LED lights?
Answer: Begin by sharing your detailed requirements or intended applications with us. We will then present you with a tailored quote, crafted to meet your needs or based on our expert suggestions. Upon confirming the drawings and placing a deposit, we formalize the order and initiate production. Each specification will be scrupulously adhered to, ensuring a smooth and bespoke 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: Certainly, it is feasible. Please inform us formally before production commences and confirm the design based on the sample we provide. This process ensures that your branding is represented with the highest degree of precision and quality.
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