Introducing the pioneering HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves, epitomes of engineering brilliance. These valves seamlessly integrate the essential elements of pressure, flow, and directional control into a single, harmonious masterpiece, ensuring unrivaled performance and reliability. Comprising three indispensable functional modules-connecting blocks, directional valves, and end plates-these valves are meticulously crafted for incorporation into elite hydraulic systems, critical in state-of-the-art engineering machinery. They precisely orchestrate the movement direction and speed of hydraulic cylinders, motors, and other actuators, delivering unmatched precision and control. Key highlights include an ingeniously compact structure, exceptional energy efficiency, and the capability for stepless speed modulation. Moreover, they empower multiple actuators to operate simultaneously under varying loads, providing unparalleled performance and versatility for any demanding application.
The HLPSL valves are expertly crafted for constant displacement pump systems, ensuring steadfast and unwavering operation. On the other hand, the HLPSV valves are ingeniously 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 quintessential choice for applications where efficiency is paramount. With their avant-garde engineering and energy-smart design, HLPSV valves stand out as the premier solution for advanced hydraulic control needs.
| 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 - The cornerstone of steady and steadfast performance.;
HLPSV: Variable Displacement Pump - Unmatched in adaptability and versatile functionality.;
(2) Connection Block Ports P & R Specifications - Precision engineering for trusted reliability::
2-G3/8; Compact design for efficient and streamlined operations.
3-G1/2; Built for strength and unwavering dependability.;
4-G3/4; Advanced connectivity options for superior command and control.;
5, 55-G1; Delivers exceptional flow rates ideal for high-demand scenarios.;
6-G1 1/4; Providing unparalleled performance in demanding fields.;
(3) Additional Components and Specifications - Amplifying system potential::
C,Standard Type - A solid and reliable choice for foundational needs.;
G,Throttle Valve (Exclusive to HLPSL) - Precision and control assured.;
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (~14 bar, HLPSL) - Optimized flow regulation for superior system performance.;
(4) Pilot Oil Circuit Pressure Options - Tailored pressure control for a variety of applications:0 - No pressure reducing valve; 1 - Pressure reducing valve (20 bar); 2 - Pressure reducing valve (40 bar); Offering bespoke solutions to meet specific requirements.
(5) 2/2-way Magnetic Ball Valve for System Unloading - Designed for streamlined efficiency and control:C - No magnetic ball valve; F - Normally open magnetic ball valve, activates pump under power, deactivates pump when unpowered; D - Normally closed magnetic ball valve, deactivates pump under power, activates when unpowered;D/F - Equipped with a pressure limiting valve for secondary pressure (F50) with specified pressure value; Enhanced safety protocols for safer operations.
(6) Tool Adjustable, Pressure Limiting Valve in Connection Block: Experience ultimate versatility with adjustable settings ranging from 63 to 400 bar. Customize your pressure limits with precision for every industrial need. /NF: Opt for no pressure limiting valve (HLPSV only) to ensure optimal pressure control tailored to a multitude of scenarios, enhancing efficiency and safety.
(7) Product Series Classification - Identifying excellence: Discover our diverse range of product series, each designed to meet unique demands and deliver exceptional performance.;-2 2 Series; -3 3 Series; -5 5 Series; Our product lines are meticulously tailored for every application, ensuring optimal functionality and adaptability.
(8)Thread size of directional spool valve ports A & B: Choose from a range of thread sizes to suit your system requirements:2-G3/8; 3-G1/2; 4-G3/4; 5-G1; A, ancillary block or intermediate transition block ZPL 5S(V)/H with hydraulic control shut-off valve, offering seamless integration and enhanced control.
(9)Directional valve block inflow controller options: Tailor your inflow control with precision, choosing from versatile options: 1, without inflow controller; 2, standard inflow controller; 4, advanced 3-way flow controllers for both inlet and outlet (ideal for N 3/3-way valve applications); 5, reinforced inflow controller; 8, pre-selectable for customized flow management.
(10) Valve core function symbols: Elevate system functionality with our diverse valve core symbols: L, M, F, H, J, B, R, O, N; each representing unique operational capabilities.
(11) Output flow code for ports A & B: Maximize performance with a range of available maximum output flows: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min); ensuring efficiency and power.
(12) Secondary pressure limitation options: Secure your operations with adaptable secondary pressure limitations: N, no pressure limiting protection; C, simultaneous pressure limitation for actuator ports A & B; A---B---, individual pressure limitation for actuator ports A & B, providing tailored protection in units of bar.
(13) Function ON/OFF and pressure outlet options: Streamline control with our comprehensive ON/OFF and pressure outlet options: N, without 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, offering precise control and safety.
(14) Operation modes: Experience unparalleled operational flexibility with our diverse modes: A(1,2), manual operation with choice of handle length; E, electric proportional control; EA(1,2), hybrid electric proportional control and manual operation; D, electric switching value control; DA(1,2), hybrid electric switching value control with manual operation; M, manual friction positioning; H, pure hydraulic control with aligned pilot oil ports; F, pure hydraulic control with perpendicular pilot oil ports, engineered for optimal performance.
(15) Ancillary block port sizes: Choose from a range of ancillary block port sizes for seamless integration: /2 G3/8; /3 G1/2; /4 G3/4; /5 G1, ensuring adaptability and ease of installation.
(16) End plate options: Discover our versatile end plate options, tailored for diverse operational needs: E1, standard end plate with external discharge; E2, similar with additional port Y; E3, featuring a 2-position 3-way magnetic ball valve for system pressure management; E4, similar to E1 with internal discharge; E5, similar to E2 with sealed port T; E6, similar to E3 with internal discharge, crafted for maximized safety and efficiency.
E4, similar to E1, internal discharge of pilot oil, port T can be sealed; E5, similar to E2, internal discharge of pilot oil, port T can be sealed; E6, similar to E3, internal discharge of pilot oil, port T can be sealed;
(17) Discover customizable control voltage options and anti-explosion type cable lengths designed for your safety and efficiency: Choose from G12-12VDC;G24-24VDC; or select the robust G24Ex-3m-24VDC; experience peace of mind with G12Ex-3m-12VDC; and for maximum adaptability, the G24MA-3m-24VDC; G12bb621436
Since embarking on our journey in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has become a beacon of innovation and excellence within the hydraulic sector. As a proud subsidiary of the illustrious China Baoan Group (stock code: 000009), we stand out as a national high-tech enterprise, distinguished by our exceptional achievements. Our focus is centered on the precise research, development, manufacturing, and sales of superior hydraulic components, embodying the forefront of technology and quality. Our recognition as a national 'specialized, refined, and innovative' small giant enterprise is a testament to our relentless pursuit of technological prowess and unmatched quality, solidifying our leadership in the industry.
Our flagship creation, the load-sensitive proportional valve, represents the zenith of advanced hydraulic system control. This expertly crafted component is indispensable for construction machinery and robust equipment, crucial in high-stakes scenarios such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We are deeply honored to collaborate strategically with numerous leading domestic manufacturers, playing a crucial role in localizing core hydraulic components for sophisticated mechanical equipment. Our guiding philosophy-'serving customers with technology, impressing customers with our attitude, and retaining customers with quality'-drives our unwavering commitment to delivering outstanding products, services, and solutions. Our mission is to rise as a globally recognized supplier of top-tier hydraulic components, setting unparalleled standards of excellence on the world stage.
Inquiry:1. What about the lead time?
Response:The lead time for production is typically around one month after payment is received. This timeline enables us to prepare extensively and apply rigorous quality control measures. Every aspect is managed meticulously to ensure your products are delivered with impeccable precision.
Inquiry:2. Do you have any MOQ limit for LED light orders?
Response: We provide an exceptionally low minimum order quantity, granting you the flexibility to order even just one piece for sample verification. This adaptability ensures that your unique requirements are fulfilled precisely, facilitating a smooth initiation of your projects.
Inquiry:3. How to proceed with an order for LED lights?
Response: Begin by sharing your detailed requirements or intended applications with us. We will then offer a tailored quote based on your specifications or our professional advice. Once you approve the drawings and submit a deposit, we will formalize the order and commence production. Each specification will be thoroughly satisfied, providing you with a bespoke and seamless solution.drawings,and submit a deposit to formalize the order. Finally, we will initiate production, ensuring each specification is met with excellence, delivering a bespoke and seamless solution.
Inquiry:4. Is it OK to print my logo on the product?
Response: Absolutely, this is indeed possible. Simply notify us formally prior to the start of production and approve the design based on the sample we provide. This guarantees that your branding is depicted with the highest precision and quality.
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