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 Blueprint to Excellence
HLPSL: Constant Displacement Pump - A cornerstone for consistent and unwavering performance. Ensures steady output, ideal for precise operations.;
HLPSV: Variable Displacement Pump - Embodying adaptability at its pinnacle. Optimizes efficiency across varying demands.;
(2) Connection Block Ports P & R Specifications - The epitome of precision you can trust: Offering unmatched accuracy and reliability for your specific needs.:
2-G3/8; Compact in design, yet highly efficient. Maximizes space utilization while delivering high performance.
3-G1/2; Renowned for reliability and robustness. Perfectly engineered for tough environments.;
4-G3/4; Advanced connectivity for superior performance. Bridges high efficiency with seamless integration.;
5, 55-G1; Exceptional flow rate ensuring optimal fluid dynamics. Guarantees smooth operation and peak performance.;
6-G1 1/4; Unmatched in performance and reliability. Sets the standard for industrial excellence.;
(3) Additional Components and Specifications - Elevating system capabilities to new heights: Tailor your setup for superior functionality.:
C,Standard Type - A dependable baseline for all applications. Provides a robust foundation for diverse scenarios.;
G,Throttle Valve (For HLPSL only) - Offers unparalleled precision control. Fine-tunes system dynamics for exacting standards.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Masterfully optimized flow management. Ensures consistent pressure regulation.;
(4) Pilot Oil Circuit Pressure Options - Customizable pressure control tailored to your specific needs: Precision-engineered for versatility and adaptability.0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Tailored for your precise requirements. Delivers precise pressure customization.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Ensuring streamlined efficiency and effectiveness: Perfect for maximizing operational fluidity.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. Guarantees enhanced protection and control.
(6) Introducing our innovative Tool Adjustable Pressure Limiting Valve seamlessly integrated with a Connection Block, offering versatile settings at 63, 120, 210, 280, 315, 350, and 400 bar. Experience unparalleled optimal pressure control ensuring safety and precision. The /NF option signifies no pressure limiting valve, specifically for HLPSV applications.
(7) Product Series Classification - Embodying Unmatched Excellence:;-2 2 Series; -3 3 Series; -5 5 Series; Meticulously crafted to cater to diverse application needs.
(8)Thread size specifications for directional spool valve ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A comprehensive array including ancillary block or intermediate transition block ZPL 5S(V)/H, featuring a hydraulic control shut-off valve.
(9)Dynamic options for directional valve block inflow controllers: 1, absence of inflow controller; 2, standard inflow controller; 4, dual 3-way flow controllers for both inlet and outlet, ideal for N 3/3-way valve; 5, fortified inflow controller; 8, pre-selectable prowess.
(10) Valve core function symbols: L, M, F, H, J, B, R, O, N; each representing distinctive functionalities.
(11) Port A & B Output Flow Code: Enjoy a wide range of maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); tailored to exceed your expectations.
(12) Secondary Pressure Limitation Options: N, offering no pressure limiting protection; C, enabling simultaneous pressure limitation at actuator ports A & B; A---B---, individually limits pressure at actuator ports A & B, measured in bar.
(13) Functionality 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, amplifying operational versatility.
(14) Operation Modes: A(1,2), manual operation with long handle (1=without handle, 2=with short handle); E, embracing electric proportional control; EA(1,2), combines electric proportional control with manual operation (1=without handle, 2=with short handle); D, focused on electric switching value control; DA(1,2), integrates electric switching control with manual operation (1=without handle, 2=with short handle); M, manual friction positioning with an elongated handle; H, pure hydraulic control with pilot oil ports aligned with oil ports A and B; F, pure hydraulic control with pilot oil ports positioned perpendicularly and outwardly to oil ports A and B, ensuring flexibility.
(15) Ancillary Block Port Sizes: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1; offering extensive compatibility with various setups.
(16) End Plate Options: E1, standard end plate facilitating external discharge of pilot oil with an external oil return control port T; E2, akin to E1 but with an additional port Y; E3, external discharge featuring a 2-position 3-way magnetic ball valve, ideal for scenarios where system pressure must ascend to safety valve pressure;
E4, internal discharge capability similar to E1, with sealable port T; E5, similar to E2 but allows internal discharge and sealing of port T; E6, akin to E3, internal discharge with sealable port T, enhancing safety and adaptability.
(17) Control Voltage and Anti-Explosion Type Cable Length Options: G12-12VDC; ensuring robust and safe operations.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. This expertly engineered component is designed for construction machinery and heavy-duty equipment, making it indispensable 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.
){kind=link}