Product Overview

Large-Diameter PICV Pressure Independent Valve – Building-Use Large-Diameter Smart Ultrasonic Energy Valve integrates an intelligent control valve and wireless remote communication device based on ultrasonic water meters. Functionally, it serves as a multifunctional instrument combining flow measurement, temperature measurement, valve on/off control, and flow regulation. It is widely applied in industrial automation, energy-saving control, remote control, and intelligent management fields.

Technical Specifications

Designed based on ultrasonic principles, equipped with high-quality piezoelectric ceramic transducers and dedicated metering chips for wide-range, high-precision measurement;
Ultrasonic water meter section features no mechanical moving parts, resistant to water quality impacts and maintenance-free, ensuring stable operation and extended service life;
Incorporates a professional microprocessor chip with large program capacity, low power consumption, and strong anti-interference capabilities;
Supports 4G/RS485 multi-communication interfaces, infrared read/write, and parameter configuration
Multi-level menu displays real-time data including flow rate, temperature, valve status, and fault information
Features daily/monthly cumulative data storage with historical data logging;
Valve utilizes cast iron ball valve + high-torque actuator (33:1 reduction ratio, 120N·m torque), 3.6V drive voltage, supporting on/off and angle adjustment
System supports advanced functions including remote control and flow balancing;
Features self-diagnostics and automatic drainage to prevent scale buildup;
Manual/automatic hybrid design allows mechanical valve operation during power outages

Technical Specifications

Item	Technical Specification
Display Mode	Multi-angle LCD display
Resolution	Temperature: 0.01°C; Flow rate: 0.01m; Velocity: 0.001m/h
Power Supply	External power supply: DC 24V / 3.6V DC lithium battery
Power Consumption	<0.25mW
Battery Life	[Temperature: 20°C, Relative humidity: <60%] >6 years
Communication Method	Wired: RS485; Wireless: 4G
Communication Protocol	Supports 188 protocol, Modbus protocol, custom protocols
Power Failure Protection	Retains pre-power-off records during outages; automatically resumes normal operation upon power restoration
Environmental Rating	Class O; Ambient Temperature: -25°C to 55°C; Atmospheric Pressure: 86 kPa to 106 kPa
Electromagnetic Environment	E1 Class: Electromagnetic Environment for Residential, Commercial, and Light Industrial Use
Enclosure Protection Rating	IP68
Valve Body Material	Ductile iron or stainless steel
Valve Core Material	S304 stainless steel
Medium Temperature	0°C to 95°C
Working Pressure	1.6MPa
Output Torque	≥120N·m
Switching Time	≤135s/cycle
Reduction Ratio	33100:1
Manual Function	Manual opening/closing function
Service Life	100,000 cycles durability test without damage
Connection Method	Flange
Turndown Ratio	R100
Accuracy Class	Class 2
Temperature Range	T30 / T50 / T90
Pressure Drop Class	Δp25
Flow Sensitivity Class	U0 / D0
Forward/Reverse Flow	Bidirectional metering