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 - Your key to unlocking advanced hydraulic capabilities.
HLPSL: Constant Displacement Pump - A cornerstone for consistent and unwavering performance.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust::
2-G3/8; Compact in design, yet highly efficient.
3-G1/2; Renowned for reliability and robustness.;
4-G3/4; Advanced connectivity for superior performance.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics.;
6-G1 1/4; Unmatched in performance and reliability.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights::
C,Standard Type - A dependable baseline for all applications.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your precise requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness: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. . , With pressure limiting valve for secondary pressure (F50) with specified pressure value; Pioneering advanced safety measures.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Our innovative settings are meticulously designed for precision, with adjustments available at 63, 120, 210, 280, 315, 350, and 400 bar; /NF: No pressure limiting valve (HLPSV only); Ensuring unmatched pressure control and safety.
(7) Product Series Classification - Setting the Gold Standard:;-2 2 Series; -3 3 Series; -5 5 Series; Crafted meticulously to meet the diverse needs of every application.
(8)Thread size of directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A comprehensive solution with 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 range of bespoke options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controllers for both inlet and outlet-perfect for N 3/3-way valve; 5, robust inflow controller; 8, pre-selectable;
(10) Valve core function symbols: An array of functional excellence: L, M, F, H, J, B, R, O, N;
(11) Output flow code for ports A & B: Offering a spectrum of maximum output flows tailored to your needs: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary pressure limitation options: N, absence of pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, individualized pressure limitation of actuator ports A & B, unit (bar);
(13) Function ON/OFF and pressure outlet options: N, devoid of 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: Versatile modes of operation designed for various needs: A(1,2), manual operation with long handle (1=without handle, 2=with short handle); E, sophisticated electric proportional control; EA(1,2), electric proportional control complemented with manual operation (1=without handle, 2=with short handle); D, electric switching value control; DA(1,2), electric switching value control with 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, innovative pure hydraulic control (two pilot oil ports are perpendicular to oil ports A and B and outward respectively);
(15) Ancillary block port sizes: Options include: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1;
(16) End plate options: Transformative choices available: E1, standard end plate, external discharge of pilot oil, connecting oil return control port T externally; E2, an enhancement over E1, external discharge of pilot oil, with additional port Y; E3, external discharge of pilot oil, featuring a 2-position 3-way magnetic ball valve for controlled power supply scenarios, where system pressure elevates to the safety valve threshold;
E4, akin to E1, with internal discharge of pilot oil, allowing port T to be sealed; E5, an improvement over E2, with internal discharge of pilot oil, port T is sealable; E6, a progression from E3, internal discharge of pilot oil, with port T sealable;
(17) Control voltage and the length of anti-explosion type cable options: G12-12VDC; Crafted for safety and performance.G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bb621436
Since our grand entrance into the industry in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has consistently illuminated the hydraulic landscape with our revolutionary innovations and unrivaled excellence. As an esteemed subsidiary of the illustrious China Baoan Group (stock code: 000009), we proudly uphold our reputation as a distinguished national high-tech enterprise. Our core expertise shines through meticulous research, innovative development, precise manufacturing, and successful sales of premium hydraulic components. Our prestigious recognition as a national 'specialized, refined, and innovative' small giant enterprise signifies our unwavering dedication to technological advancement and top-tier quality. This steadfast commitment positions us as leaders and pioneers in our industry.
Our hallmark product, the load-sensitive proportional valve, represents the zenith of cutting-edge hydraulic system control. Masterfully engineered for construction machinery and heavy-duty equipment, this versatile component is indispensable for critical applications including emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our strategic partnerships with numerous leading domestic manufacturers, playing an essential role in localizing core hydraulic components for high-end mechanical equipment. Driven by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain unwavering in our pursuit of delivering unparalleled products, services, and solutions. Our mission is to rise as a globally trusted supplier of premier hydraulic components, setting new standards of excellence on the world 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.
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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