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 - Unlock the potential of seamless and steady operation with utmost reliability.;
HLPSV: Variable Displacement Pump - Experience the pinnacle of adaptability and flexibility like never before.;
(2) Connection Block Ports P & R Specifications - Where precision meets reliability for your assured satisfaction::
2-G3/8; Designed for compactness and efficiency, facilitating seamless streamlined operations.
3-G1/2; Built for robustness and dependability, ensuring steadfast performance.;
4-G3/4; Engineered for advanced connectivity, granting you superior control.;
5, 55-G1; Provides unrivaled flow rate, perfect for high-demand applications.;
6-G1 1/4; Performance excellence guaranteed, delivering unmatched results in the field.;
(3) Additional Components and Specifications - Empowering your system with enhanced capabilities::
C,Standard Type - Your cornerstone for dependable and versatile solutions.;
G,Throttle Valve (For HLPSL only) - Ensuring meticulous precision in flow control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized for management of flow, elevating performance standards.;
(4) Pilot Oil Circuit Pressure Options - Customizable for precision pressure control across diverse applications:0 - Absence of pressure reducing valve; 1 - 20 bar pressure reducing valve; 2 - 40 bar pressure reducing valve; Tailored solutions meticulously crafted for your specific requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Enhancing efficiency and control with streamlined precision:C - No magnetic ball valve; F - Normally open magnetic ball valve, seamlessly pressurizes pump when powered, unloads pump when unpowered; D - Normally closed magnetic ball valve, efficiently unloads pump when powered, pressurizes when unpowered;D/F - Equipped with pressure limiting valve for secondary pressure (F50) with specified pressure value; Incorporating advanced safety measures to ensure secure operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience precise control with adjustable settings available at 63, 120, 210, 280, 315, 350, 400 bar; /NF: No pressure limiting valve (HLPSV only). This ensures optimal pressure management tailored to diverse scenarios.
(7) Product Series Classification - Identifying excellence through innovation and quality:;-2 2 Series; -3 3 Series; -5 5 Series; Crafted meticulously to cater to every application requirement.
(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; Equipped to provide flexibility and efficiency.
(9)Directional valve block inflow controller options: Select from 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for both inlet and outlet (perfect for N 3/3-way valve); 5, strengthened inflow controller; 8, pre-selectable; Designed for specialized needs.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; Each symbol signifies a unique functionality, streamlining valve operations.
(11) Output flow code for ports A & B: Available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); Reliable performance across various flow requirements.
(12) Secondary pressure limitation options: N, no pressure limiting protection; C, limit the pressure of actuator ports A & B simultaneously; A---B---, individually limit the pressure of actuator ports A & B, unit (bar); Fortifying safety and precision.
(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; Configurations for tailored functional needs.
(14) Operation modes: 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); Diverse operation modes for precise control and adaptability.
(15) Ancillary block port sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; Suitable for various connection needs.
(16) End plate options: E1, standard end plate, external discharge of pilot oil, connecting oil return control port T externally; E2, similar to E1, external discharge of pilot oil, port Y additionally attached for enhanced functionality; E3, external discharge of pilot oil, featuring a 2-position 3-way magnetic ball valve; in power supply scenarios, system pressure reaches safety valve pressure;
E4, akin to E1, but with internal discharge of pilot oil, with port T sealable; E5, akin to E2 with internal discharge and sealable port T; E6, akin to E3 with internal discharge and sealable port T; Options to match specific operational environments.
(17) Our versatile control voltage options are designed with your safety in mind, offering an anti-explosion type cable selection. Choose from the following configurations: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Established in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has consistently set the hydraulic industry ablaze with remarkable innovation and unmatched prowess. As a revered subsidiary of the prestigious China Baoan Group (stock code: 000009), we are celebrated as a national high-tech enterprise of the highest order. Our specialization in the intricate research, development, manufacturing, and distribution of top-tier hydraulic components is well recognized. Earning the esteemed title of a national 'specialized, refined, and innovative' small giant enterprise, we display an unwavering commitment to technological excellence and superior quality. This steadfast dedication propels us to the forefront of our industry, making us leaders in our domain.
Our premier product, the Mining Equipment Proportional Valve with Advanced Safety Features, embodies the zenith of sophisticated hydraulic system control. Meticulously crafted for the rigors of construction machinery and heavy-duty equipment, this integral component is essential for critical applications including emergency rescue missions, tunnel construction, mining, and municipal service vehicles. We are immensely proud of our strategic partnerships with a multitude of leading domestic manufacturers, significantly contributing to the localization of core hydraulic components for high-end mechanical equipment. Embracing our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we are unwavering in our pursuit of delivering exceptional products, services, and solutions. Our vision is to rise as a globally trusted supplier of premium hydraulic components, continually setting new standards of excellence on a worldwide stage.
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.
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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.
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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.
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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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