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 and reliable hydraulic performance.;
HLPSV: Variable Displacement Pump - Embodying adaptability and flexibility at its finest.;
(2) Connection Block Ports P & R Specifications - Unmatched precision and reliability you can trust::
2-G3/8; Compact yet efficient for seamless operations.
3-G1/2; Unwavering robustness and dependability.;
4-G3/4; Advanced connectivity for superior hydraulic control.;
5, 55-G1; Delivering superior flow rates for high-demand operations.;
6-G1 1/4; Providing unmatched field performance.;
(3) Additional Components and Specifications - Enhancing system capabilities to the next level::
C,Standard Type - A dependable foundation for your operational needs.;
G,Throttle Valve (For HLPSL only) - Ensuring tight precision control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow management to boost performance.;
(4) Pilot Oil Circuit Pressure Options - Versatile 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 precisely fitting your specific needs.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Streamlined efficiency and effortless control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump when powered, deactivates when unpowered; D - Normally closed magnetic ball valve, deactivates pump when powered, activates when unpowered;D/F - With pressure limiting valve for secondary pressure (F50) with specified pressure value; Enhanced safety measures for secure and reliable operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience unparalleled control with adjustable settings ranging from 63 to 400 bar, including options at 63, 120, 210, 280, 315, 350, and 400 bar. /NF: No Pressure Limiting Valve (HLPSV only); Delivering precision pressure management across diverse applications.
(7) Product Series Classification - Identifying Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Custom-designed for optimal performance across a multitude of applications.
(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; Experience seamless integration and superior functionality.
(9)Directional Valve Block Inflow Controller Options: Tailor your flow dynamics with 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 for customized efficiency.
(10) Valve Core Function Symbols: Choose from L, M, F, H, J, B, R, O, N for versatile performance capabilities.
(11) Output Flow Code for Ports A & B: Experience tailored output with maximum flow rates available at 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, and 210 L/min; Offering optimal flow rate management.
(12) Secondary Pressure Limitation Options: N, no pressure limiting protection; C, simultaneous pressure limiting at actuator ports A & B; A---B---, independent pressure limiting at actuator ports A & B, measured in bars; Enhancing safety and control.
(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 at side A; B, electrical ON/OFF at side B; Achieve precision with adaptable function and pressure control features.
(14) Operation Modes: Discover the versatile operation modes: A(1,2), manual operation with a long or short handle; E, electric proportional control; EA(1,2), coupling electric proportional control with manual operation; D, electric switching value control; DA(1,2), merging electric switching with manual operation; M, manual friction positioning with long handle; H, pure hydraulic control (ports align with oil ports A and B); F, pure hydraulic control (ports perpendicular to oil ports A and B, outward facing); Offering robust and adaptable control solutions.
(15) Ancillary Block Port Sizes: Choose from /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Designed to meet diverse operational requirements.
(16) End Plate Options: E1, standard with external discharge of pilot oil, connects oil return control port T externally; E2, similar to E1 with an additional port Y; E3, external pilot oil discharge with a 2-position 3-way magnetic ball valve; system pressure elevates to safety valve levels when energized; Ensuring comprehensive safety and operational efficiency.
E4, similar to E1 with internal discharge, port T sealable; E5, similar to E2 with internal discharge, port T sealable; E6, similar to E3 with internal discharge, port T sealable; Delivering secure sealing and adaptability.
(17) Control Voltage and Length of Anti-explosion Type Cable Options: G12-12VDC; Providing robust anti-explosion protection and flexible installation.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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