Introducing our groundbreaking HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These revolutionary engineering marvels are the epitome of innovation, seamlessly integrating pressure, flow, and directional control into a singular, harmonious unit, guaranteeing unmatched performance and unwavering reliability. Expertly crafted from three essential functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously designed for seamless 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)Essential Connection Block Configuration Code:
HLPSL: A steady performer, the Constant Displacement Pump;
HLPSV: Dynamic and adaptable, the Variable Displacement Pump;
(2) Port P & R Connection Block Specifications::
2-G3/8;
3-G1/2;
4-G3/4;
5, 55-G1;
6-G1 1/4;
(3)In-depth Component Details::
C,Classic Standard Type;
G,Exclusive Throttle Valve for HLPSL applications;
H,Optimized Fixed Differential Overflow Valve for Circulating Pressure (around 14 bar, HLPSL);
(4)Pilot Oil Circuit Pressure Specifications:0: No pressure reducing valve; 1: With 20 bar pressure reducing valve; 2: With 40 bar pressure reducing valve;
(5)2/2-way Magnetic Ball Valve for System Unloading: C - without valve; F - normally open (pressurized when powered, unloads on power loss); D - normally closed (unloads when powered, pressurized on power loss);../F. Secondary Pressure Limiting Valve (F50) with customizable pressure value;
(6)Adjustable Pressure Limiting Valve for Connection Block: Configurable to pressures like 63, 120, 210, 280, 315, 350, 400 bar; /NF: No pressure limiting valve (HLPSV exclusive);
(7)Distinctive Product Series: -2 series;;-3 series; -5 series;
(8)Thread size of directional spool valve ports A & B: 2-GOptions: 3/8; 3-G1/2; 4-G3/4; 5-G1; A, ancillary block or intermediate transition block ZPL 5S(V)/H for hydraulic control shut-off valves;
(9)Directional valve block inflow controller: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controllers for inlet and outlet (ideal fit for N 3/3-way valves); 5, strengthened inflow controller; 8, customizable, pre-selectable;
(10) Function symbol of valve core options: L, M, F, H, J, B, R, O, N;
(11) Output flow code of ports A & B: Choose from a variety of maximum output flow rates for ports A & B: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary pressure limitation: N, lacks pressure limiting protection; C, limits pressure on actuator ports A & B simultaneously; A---B---, allows independent pressure limitation on actuator ports A & B, measured in bar;
(13) Function ON/OFF and pressure outlet: N, absence of function ON/OFF and pressure outlet; X C-type pressure limitation; S/S1 AB-type pressure limitation; A, electrical ON/OFF capability on side A; B, electrical ON/OFF capability on side B;
(14) Operation manner options: A(1,2), manual with a long handle (1=without handle, 2=with short handle); E, electric proportional control; EA(1,2), combination of 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 combined with manual operation (1=without handle, 2=with short handle); M, manual friction positioning with a 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 project outwardly);
(15) Ancillary block configurations: /2 Ancillary block with port size G3/8; /3 Ancillary block with port size G1/2; /4 Ancillary block with port size G3/4; /5 Ancillary block with port size G1;
(16) End plate variations: E1, standard end plate, facilitating external pilot oil discharge, connects oil return control port T externally; E2, similar to E1 with external pilot oil discharge, additionally features a port Y; E3, external pilot oil discharge complemented by a 2-position 3-way magnetic ball valve; during power supply, system pressure elevates to safety valve pressure level;
E4, akin to E1, but incorporates internal pilot oil discharge, with port T being sealable; E5, mirrors E2, internal pilot oil discharge, sealable port T; E6, alike E3, internal pilot oil discharge, sealable port T;
(17) Control voltage and anti-explosion cable length options: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12MA-3m-12VDC (anti-explosion type, available in 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. Meticulously engineered for construction machinery and heavy-duty equipment, this versatile and adaptable component is indispensable in high-stakes applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We pride ourselves on strategic collaborations with numerous leading domestic manufacturers, playing 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 are 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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