Location Sensor Valve for Improved Safety in Hydraulic Crane Operations

• Customization: Available
• Media: Oil
• Temperature: Ordinary Temperature
• Model NO.: Loadsensitive Proportional Directional Valve
• Actuator: Electric
• Connection Form: Thread
• Type: Pilot Operated
• Material: Steel
• Pressure: High Temperature
• Valve Structure: Pilot Piston Structure
• Power Supply: DC Solenoid Valve
• Usage: Flow Control
• Standard: DIN
• Application: Industrial Usage
• Hawe Psl Type: Hawe Psv Type
• Proportional Valve: Load Sensitive Valve
• Atex Valve: Msha Valve
• Flow Control Valve: Multi Way Directional Valve
• Transport Package: Plywood Box
• Specification: steel
• Trademark: KM Hydraulic
• Origin: China
• HS Code: 8481201090
• Production Capacity: 500000 Piece

Product Description

Product Description

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.

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Product Parameters

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 the Connection Block
HLPSL: Constant Displacement Pump;
HLPSV: Variable Displacement Pump;
(2) Port P & R of the Connection Block:
2-G3/8;
3-G1/2;
4-G3/4;
5, 55-G1;
6-G1 1/4;
(3)Optional Components:
C,Standard Type;
G,Throttle Valve (Exclusive to HLPSL);
H,Fixed Differential Overflow Valve to Enhance 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, when powered, the pump is pressurized; when unpowered, the pump unloads; D: normally closed magnetic ball valve, when powered, the pump unloads; when unpowered, the pump is pressurized; D../F. . , with Pressure Limiting Valve, it can serve as secondary pressure (F50) with pressure value indicated;
(6)Tool Adjustable, Pressure Limiting Valve in the Connection Block: Configurable pressure limiting valves such as 63, 120, 210, 280, 315, 350, 400 bar; /NF: without pressure limiting valve (exclusive to HLPSV);
(7)Product Series: -2 series;Series Compatibility: -3 Series; -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 Options: 1, No 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) Valve Core Function Symbols: L, M, F, H, J, B, R, O, N;
(11) Output Flow Code for Ports A & B: Select from Maximum Output Flows of Ports A & B: 3, 6, 10, 16, 25, 40, 63, 80, 120, 160, 210 (L/min);
(12) Secondary Pressure Limitation Options: N, No Pressure Limiting Protection; C, Limit Pressure of Actuator Ports A & B Simultaneously; A---B---, Limit Pressure of Actuator Ports A & B Separately, Unit (bar);
(13) Function 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;
(14) Operation Modes: 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 Port Sizes: /2, G3/8; /3, G1/2; /4, G3/4; /5, G1;
(16) End Plate Variants: 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 Cable Length for Anti-Explosion Type: G12-12VDC;G24-24VDC; G24Ex-3m-24VDC; G12Ex-3m-12VDC; G24MA-3m-24VDC; G123fcc6026

Company Profile

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.

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FAQ

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 meticulously prepare and rigorously enforce stringent quality control measures. The result? Your products are delivered flawlessly, meeting the highest standards.

Question:2. Do you have any MOQ limit for LED light orders?
Answer: We offer an exceptionally low minimum order quantity, allowing you to order even a single piece for sample checking. This ensures ultimate flexibility to meet your specific needs, making it easier for you to embark on any project with confidence.

Question:3. How to proceed with an order for LED lights?
Answer: First, inform us of your detailed requirements or application. Then, we will provide a customized quote based on your needs or our expert recommendations. Once you confirm the drawings, you 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.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. 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 the highest precision and quality.