butterfly valve with tamper switch
Description
Anti-tamper switch butterfly valve is a valve that integrates an anti-tamper protection device on the basis of traditional butterfly valves. It prevents unauthorized disassembly or tampering through mechanical or electronic means and is suitable for safety-sensitive scenarios such as fire protection and industry. Its core features include:
Anti-tamper mechanism:
Mechanical lock: The valve stem or handwheel is equipped with an adjustable lock, which requires a special key to unlock to prevent arbitrary operation.
Electronic induction: Built-in micro switch or RFID chip, which triggers an alarm signal when disassembled (such as fire protection system linkage).
Compatibility: Suitable for flange, clamp or groove connection methods, and the material can be cast iron, ductile iron or stainless steel (such as DN50~DN600 caliber).
butterfly valve with tamper switch specification
Connection Ends: Groove to AWWA C606
Top Flange Standard: ISO 5211
Working Pressure: 300PSI/363PSI, 175PSI, 200PSI and 250PSI available upon request
Temperature Range: 0℃ - 80℃
Coating: Fusion Bonded Epoxy Coating in accordance with ANSI/AWWA C550
butterfly valve with tamper switch
Applications
Fire protection system
Installed at the sprinkler pump outlet or main pipeline network, the anti-dismantling design ensures that the valve is always open to avoid system failure caused by human error shutdown.
Municipal water supply
Used at key nodes (such as water plant outlets) to prevent illegal tampering of flow or water quality parameters, and must comply with GB/T 12238 sealing standards.
Industrial safety protection
Combined with explosion-proof certification (Ex d IIB T4) in chemical and oil and gas pipelines, the anti-dismantling switch is linked with the DCS system to provide real-time feedback on the valve status.
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