Introducing the state-of-the-art HLPSL and HLPSV load-sensitive proportional multi-way directional spool valves. These engineering marvels seamlessly integrate pressure, flow, and direction control into one cohesive unit, ensuring peak performance and unmatched reliability. Composed of three essential functional modules-connecting blocks, directional valves, and end plates-these valves are precision-engineered for hydraulic systems in elite engineering machinery. They proficiently manage the movement direction and speed of hydraulic cylinders, motors, and other actuators, guaranteeing unparalleled precision and control. Key features include a compact structure, exceptional energy efficiency, and stepless speed control capabilities. Moreover, they empower multiple actuators to operate in harmony under varying loads, delivering extraordinary performance and versatility across any application.
The HLPSL valves are meticulously crafted for constant displacement pump systems, ensuring unwavering 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 superior energy-saving performance, making them the optimal choice for applications where efficiency is paramount. With their cutting-edge engineering and energy-efficient design, HLPSV valves emerge as the premier solution for sophisticated 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)Fundamental Code for Connection Block
HLPSL: Constant Displacement Pump;
HLPSV: Variable Displacement Pump;
(2)Port P & R on the Connection Block:
2-G3/8;
3-G1/2;
4-G3/4;
5, 55-G1;
6-G1 1/4;
(3)Additional Component Options:
C,Standard Type;
G,Throttle Valve (Applicable Only for HLPSL);
H,Fixed Differential Overflow Valve for Enhanced Circulating Pressure (Approx. 14 bar, HLPSL);
(4)Pilot Oil Circuit Pressure:0: Without 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: C: Without Magnetic Ball Valve; F: Normally Open Magnetic Ball Valve, Pressurizes Pump with Power Supply, Unloads Pump Without Power; D: Normally Closed Magnetic Ball Valve, Unloads Pump with Power Supply, Pressurizes Pump Without Power; D./F: With Pressure Limiting Valve. Can Function as Secondary Pressure (F50) with Specified Pressure Value;
(6)Tool Adjustable Pressure Limiting Valve in Connection Block: Pressure Limiting Valve Settings such as 63, 120, 210, 280, 315, 350, 400 bar; /NF: Without Pressure Limiting Valve (Only for HLPSV);
(7)Product Series: -2 Series;-3 3 series; -5 5 series;
(8)Thread size of directional spool valve ports A & B: 2-G3/8; 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: 1, without inflow controller; 2, standard inflow controller; 4, 3-way flow controllers for inlet and outlet (ideal for N 3/3-way valve); 5, strengthened inflow controller; 8, pre-selectable;
(10) Function symbol of valve core: L, M, F, H, J, B, R, O, N;
(11) Output flow code of ports A & B: Maximum output flow of ports A & B (typically select 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary pressure limitation: N, no pressure limiting protection; C, limit the pressure of actuator ports A & B simultaneously; A---B---, limit the pressure of actuator ports A & B separately, unit (bar);
(13) Function ON/OFF and pressure outlet: 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;
(14) Operation manner: A(1,2), manual operation with long handle (1=without handle, 2=with short handle); E, electric proportional control; EA(1,2), 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 and manual operation (1=without handle, 2=with short handle); M, manual friction positioning with 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 outward respectively);
(15) Ancillary block: /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: E1, standard end plate, external discharge of pilot oil, connecting oil return control port T externally; E2, similar to E1, external discharge of pilot oil, port Y is additionally attached; E3, external discharge of pilot oil, a 2-position 3-way magnetic ball valve is mounted; in power supply scenarios, the system pressure rises to the safety valve pressure;
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) Control voltage and the length of anti-explosion type cable: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G12bf47afc2
Since our inception in 2009, Jiangsu KM Hydraulic Control System Co., Ltd. has emerged as a beacon of innovation and excellence in the hydraulic industry. As a proud member of the prestigious China Baoan Group (stock code: 000009) and a nationally recognized high-tech enterprise, we excel in the research, development, manufacturing, and sales of world-class hydraulic components. Our esteemed designation as a 'specialized, refined, and innovative' small giant enterprise underscores our unrelenting commitment to technological advancement and supreme quality.
Our flagship product, the load-sensitive proportional valve, represents the zenith of cutting-edge hydraulic system control, meticulously designed for construction machinery and heavy-duty equipment. This indispensable component is crucial in vital applications such as emergency rescue operations, tunnel engineering, mining, and municipal service vehicles. We take immense pride in our partnerships with leading domestic manufacturers, playing a pivotal role in localizing core hydraulic components for high-end mechanical equipment. Driven by our core philosophy of 'serving customers with technology, impressing customers with our attitude, and retaining customers with quality,' we are steadfast in our pursuit of delivering exceptional products, services, and solutions. Our vision is to rise as a globally trusted supplier of premier hydraulic components.
Question:1. What about the lead time?
Answer:Typically, the lead time for production is around one month following the receipt of payment. This duration allows us to ensure thorough preparation and impeccable quality control, guaranteeing your satisfaction.
Question:2. Do you have any MOQ limit for LED light orders?
Answer: We proudly offer an extremely low minimum order quantity, welcoming even single-piece orders for sample checking. This flexibility is designed to meet and accommodate your diverse needs with ease.
Question:3. How to proceed with an order for LED lights?
Answer: To proceed with an LED light order, start by sharing your specific requirements or application needs with us. We will then provide a tailored quote, incorporating your specifications or offering expert suggestions. Upon your confirmation of the drawings and placement of a deposit, we will formalize the order. Finally, we will commence production, meticulously ensuring that your exact specifications are met.drawings,and place a deposit to formalize the order. Finally, we will arrange the production, ensuring your specifications are met.
Question:4. Is it OK to print my logo on the product?
Answer: Absolutely, it is possible. Please inform us formally before production starts and confirm the design based on the sample we provide, ensuring your branding is perfectly represented.
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