Introducing Jiangsu KM Hydraulic Control System Co., Ltd.'s groundbreaking innovation: the 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 - 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: Experience precise settings with options at 63, 120, 210, 280, 315, 350, 400 bar, ensuring precise control and unmatched safety. For specifications utilizing HLPSV, opt for /NF: No pressure limiting valve. This customization guarantees optimal pressure management and elevated safety standards.
(7) Product Series Classification - Where Excellence Meets Innovation:;-2 2 Series; -3 3 Series; -5 5 Series; Each series is meticulously designed and tailored to suit every application, ensuring versatility and performance.
(8)Thread Size of Directional Spool Valve Ports A & B:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; Select from an array of sizes, with options such as A, ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve, to ensure precision fit and functionality.
(9)Directional Valve Block Inflow Controller Options: Choose the perfect fit with options like 1 for no inflow controller, 2 for standard inflow control, 4 for 3-way flow control on both inlet and outlet, ideal for N 3/3-way valve, 5 for strengthened inflow control, or 8 for pre-selectable configurations.
(10) Valve Core Function Symbols: L, M, F, H, J, B, R, O, N; Each symbol represents a tailored functionality to cater to a wide spectrum of hydraulic control needs.
(11) Output Flow Code for Ports A & B: Maximize efficiency with available maximum output flows of 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min), ensuring ideal flow for your operational requirements.
(12) Secondary Pressure Limitation Options: Innovate pressure control with options like N for no pressure limiting protection, C for simultaneous limitation at ports A & B, and A---B--- for separate limitation of actuator ports, all calibrated in units of bar.
(13) Function ON/OFF and Pressure Outlet Options: Tailor your control with N for no function ON/OFF and pressure outlet, X for C type pressure limitation, S/S1 for AB type pressure limitation, and electrical ON/OFF on sides A or B, providing advanced control precision.
(14) Operation Modes: Select from versatile modes such as A(1,2) for manual long handle operation, E for electric proportional control, EA(1,2) combining electric and manual operation, D for electric switching value control, DA(1,2) for dual control, M for manual friction positioning, and H or F for pure hydraulic control, optimizing control alignment.
(15) Ancillary Block Port Sizes: Choose from port sizes like /2 G3/8, /3 G1/2, /4 G3/4, /5 G1, engineered for seamless integration and high adaptability.
(16) End Plate Options: Explore end plate configurations such as E1 with standard external discharge, E2 with additional port Y, E3 with magnetic ball valve, E4-E6 with internal discharge options, ensuring precise oil management and safety pressure regulation.
Discover sealing capabilities in scenarios like E5 and E6, where internal discharge adds another dimension of control.
(17) Control Voltage and Anti-Explosion Cable Options: Offering G12-12VDC, engineered for superior safety and unmatched performance, ensuring your operations remain uninterrupted and secure.G24 - A crucial component ensuring unparalleled performance and reliability.-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G - Delivering robust power solutions tailored to meet diverse operational needs.12 - Precision-engineered to provide outstanding efficiency and control.bb621436 - Crafted with superior materials for longevity and consistency.
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has continuously brightened the hydraulic landscape with groundbreaking innovation and unmatched 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 shines through our 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 propels us as frontrunners in our field, exemplifying our leadership and ambition.
Our flagship product, the load-sensitive proportional valve, epitomizes the pinnacle of sophisticated 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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