Unveiling our revolutionary HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These exceptional engineering feats seamlessly marry pressure, flow, and directional control into a singular, harmonious unit, ensuring unmatched performance and reliability. Comprising three pivotal functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously crafted for integration into high-end hydraulic systems, indispensable in superior engineering machinery. They meticulously control the movement direction and speed of hydraulic cylinders, motors, and other actuators, providing unparalleled precision and control. Distinguished features include a compact design, superior energy efficiency, and stepless speed regulation. Additionally, they empower multiple actuators to operate concurrently under varying loads, delivering unrivaled performance and versatility across a spectrum of applications.
The HLPSL valves are meticulously tailored for constant displacement pump systems, ensuring unwavering and reliable operation. On the other hand, the HLPSV valves are expertly engineered for variable pump systems. While HLPSV valves may exhibit a slightly slower response time, they stand out for their exceptional energy-saving performance, making them the ultimate choice for applications prioritizing efficiency. With their state-of-the-art engineering and energy-efficient design, HLPSV valves emerge as the premier 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) Basic Code of Connection Block
HLPSL: Constant Displacement Pump;
HLPSV: Variable Displacement Pump;
(2) Port P & R of the Connection Block:
2-G3/8;
3-G1/2;
4-G3/4;
5, 55-G1;
6-G1 1/4;
(3) Additional Component:
C,Standard Type;
G,Throttle Valve (Only used for HLPSL);
H,Fixed Differential Overflow Valve for Enhancing Circulating Pressure (~14 bar, HLPSL);
(4) Pilot Oil Circuit Pressure Options:0 - Without pressure reducing valve; 1 - With pressure reducing valve (20 bar); 2 - With pressure reducing valve (40 bar);
(5) 2/2-way Magnetic Ball Valve for System Unloading:C - Without 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, serves as secondary pressure (F50) with indicated pressure value;
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Sets available at 63, 120, 210, 280, 315, 350, 400 bar; /NF: Without pressure limiting valve (HLPSV only);
(7) Product Series: -2 Series;-3 3 Series; -5 5 Series;
(8)Thread size of directional spool valve ports A & B: 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: 1. Without inflow controller; 2. Standard inflow controller; 4. 3-way flow controllers for inlet and outlet (ideal for N 3/3-way valve); 5. Strengthened inflow controller; 8. Pre-selectable options;
(10) Function Symbols of Valve Core: L, M, F, H, J, B, R, O, N;
(11) Output Flow Code of Ports A & B: Choose from maximum output flows at ports A & B: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary Pressure Limitation Options: N. No pressure limiting protection; C. Limit the pressure of actuator ports A & B simultaneously; A---B---. Limit the pressure of actuator ports A & B separately, unit (bar);
(13) Function ON/OFF and Pressure Outlet: 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 Manner: A(1,2). Manual operation with long handle (1=without handle, 2=with short handle); E. Electric proportional control; EA(1,2). Electric proportional control and manual operation (1=without handle, 2=with short handle); D. Electric switching value control; DA(1,2). Electric switching value control and manual operation (1=without handle, 2=with short handle); M. Manual friction positioning with long handle; H. Pure hydraulic control (two pilot oil ports align with oil ports A and B); F. Pure hydraulic control (two pilot oil ports are perpendicular to oil ports A and B and outward respectively);
(15) Ancillary Block Options: /2. Ancillary block port size G3/8; /3. Ancillary block port size G1/2; /4. Ancillary block port size G3/4; /5. Ancillary block port size G1;
(16) End Plate Variants: E1. Standard end plate, external discharge of pilot oil, connects oil return control port T externally; E2. Similar to E1, external discharge of pilot oil, port Y additionally attached; E3. External discharge of pilot oil, a 2-position 3-way magnetic ball valve mounted; in power supply scenarios, system pressure rises to safety valve pressure;
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) Control Voltage and Anti-explosion Cable Length: 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 been a beacon of groundbreaking innovation and unmatched excellence in the hydraulic industry. As a prestigious subsidiary of the renowned China Baoan Group (stock code: 000009), we proudly stand as a distinguished national high-tech enterprise. Specializing in the research, development, manufacturing, and sales of top-tier hydraulic components, our esteemed status 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 vanguards in our field.
Our flagship product, the load-sensitive proportional valve, epitomizes cutting-edge hydraulic system control. Meticulously engineered for construction machinery and heavy-duty equipment, this versatile and adaptable component is essential 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 rise as a globally trusted supplier of premier hydraulic components, setting new benchmarks of excellence worldwide.
Customer Query:1. What is the expected lead time for production?
Response:The lead time for production is generally one month from the receipt of payment. This timeframe allows us to meticulously prepare and implement stringent quality control measures, ensuring that your products are delivered in flawless condition.
Customer Query:2. Is there any MOQ (Minimum Order Quantity) limit for LED light orders?
Response: We offer an exceptionally low minimum order quantity, allowing you to order even a single piece for sample evaluation. This provides ultimate flexibility to cater to your specific project needs.
Customer Query:3. What are the steps to proceed with an order for LED lights?
Response: Initially, inform us of your detailed requirements or application. We will then provide a customized quote based on your needs or our expert recommendations. Upon your confirmation of the drawings,drawings,and placement of a deposit, we will formalize the order. Finally, we will arrange production, ensuring every specification is met to perfection, delivering a seamless and tailored solution.
Customer Query:4. Can my logo be printed on the product?
Response: Absolutely, it is possible. Please inform us formally before production commences and confirm the design based on the sample we provide. This ensures that your branding is perfectly represented with precision and quality.
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