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 singular, 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 designed 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. Additionally, they allow 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. Although 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)Fundamental Code of Connection Block: Your Blueprint for Seamless Integration
HLPSL: Constant Displacement Pump - Designed for Steady and Reliable Performance;
HLPSV: Variable Displacement Pump - Engineered for Flexibility and Efficiency;
(2) Port P & R Specifications of the Connection Block:
2-G3/8; Compact and Efficient
3-G1/2; Versatile and Reliable;
4-G3/4; Robust and Robust;
5, 55-G1; Designed for Heavy Duty Applications;
6-G1 1/4; Precision and Power Combined;
(3)Additional Component Details - Tailor Your System to Perfection:
C,Standard Type; Ensures Baseline Reliability;
G,Throttle Valve (Exclusively for HLPSL) - Precision Flow Control;
H,Fixed Differential Overflow Valve - Boosts Circulating Pressure (approx. 14 bar, HLPSL);
(4)Pilot Oil Circuit Pressure - Fine Tune Your System:0: No pressure reducing valve; 1: With pressure reducing valve (20 bar); 2: With pressure reducing valve (40 bar);
(5)2/2-way Magnetic Ball Valve for System Unloading - Choose Your Configuration: C, no valve; F, normally open (unloads on power loss); D, normally closed (pressurized on power loss);../F. Pressure Limiting Valve as Secondary Pressure (F50) - Precision with Defined Values;
(6)Tool Adjustable Pressure Limiting Valve in the Connection Block: Customizable to settings of 63, 120, 210, 280, 315, 350, 400 bar. /NF: HLPSV only, no valve;
(7)Product Series: -2 series; Compact and Efficient;;-3 series; -5 series; Versatile and Robust;
(8)Specifications for the Thread Size of Directional Spool Valve Ports A & B: 2-GOptions include: 3/8; 3-G1/2; 4-G3/4; 5-G1; A, ancillary block or intermediate transition block ZPL 5S(V)/H hydraulic control shut-off valve;
(9)Directional Valve Block Inflow Controller Options: 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, enhanced inflow controller; 8, pre-selectable;
(10) Valve Core Function Symbols Available: L, M, F, H, J, B, R, O, N;
(11) Choose the Output Flow Code of Ports A & B: Maximum output flows available for ports A & B include: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Options for Secondary Pressure Limitation: N, without pressure limiting protection; C, simultaneous pressure limiting for actuator ports A & B; A---B---, separate pressure limitation for actuator ports A & B, unit (bar);
(13) ON/OFF Functionality and Pressure Outlet Choices: N, without ON/OFF functionality 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 Available: A(1,2), manual with long handle (1=without handle, 2=with short handle); E, electric proportional control; EA(1,2), electric proportional control with manual operation (1=without handle, 2=with short handle); D, electric switching control; DA(1,2), electric switching and manual operation (1=without handle, 2=with short handle); M, manual friction positioning with long handle; H, pure hydraulic control (align pilot oil ports with A and B); F, pure hydraulic control (pilot oil ports perpendicular to A and B, outward);
(15) Ancillary Block Specifications: /2 Ancillary block port size G3/8; /3 Ancillary block port size G1/2; /4 Ancillary block port size G3/4; /5 Ancillary block port size G1;
(16) End Plate Options: E1, standard end plate with external discharge of pilot oil, external connection of oil return control port T; E2, similar to E1 with additional external port Y; E3, external discharge with a 2-position 3-way magnetic ball valve for system pressure management;
E4, similar to E1, but with internal discharge of pilot oil and sealable port T; E5, similar to E2 with internal discharge and sealable port T; E6, similar to E3 with internal discharge and sealable port T;
(17) Control Voltage Options and Anti-Explosion Cable Length: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12MA-3m-12VDC (anti-explosion type, with guide line lengths of 3m, 5m, 10m, etc.)
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a beacon of groundbreaking innovation and unmatched excellence in the hydraulic industry. As a prestigious member of the China Baoan Group (stock code: 000009), we are proud to be recognized as a national high-tech enterprise. Our forte lies in the research, development, manufacturing, and sales of premium hydraulic components. Our esteemed status as a national 'specialized, refined, and innovative' small giant enterprise signifies our relentless dedication to technological advancement and superior quality, positioning us as a leader in the field.
Our flagship product, the load-sensitive proportional valve, stands at the pinnacle of advanced hydraulic system control. This meticulously engineered marvel is tailored for construction machinery and robust heavy-duty equipment. Its versatility and adaptability make it an essential component in high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on forging strategic collaborations with numerous leading domestic manufacturers. These partnerships play a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Anchored by our core philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-we remain steadfast 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 standards of excellence worldwide.
Question:1. What about the lead time?
Answer:The lead time for production is typically one month following receipt of payment. This timeframe allows us to ensure meticulous preparation and stringent quality control for optimal results, ensuring 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. Even a single piece can be ordered for sample checking to meet your specific needs, providing ultimate flexibility for your projects.
Question:3. How to proceed with an order for LED lights?
Answer: First, inform us of your detailed requirements or application. Second, we will provide a customized quote based on your needs or our expert recommendations. Third, you confirm thedrawings,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. Please inform us formally before production begins, and confirm the design based on the sample we provide. This ensures your branding is perfectly represented with precision and quality.
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