Butterfly Valve C/W Signal Gearbox-Wafer End

Overview

The Butterfly Valve with Signal Gearbox – Wafer End is designed for reliable flow control and status monitoring in fire protection and water distribution systems.
Equipped with a signal gearbox and wafer-type connection, this valve offers compact installation, accurate valve position indication, and dependable performance under high-pressure conditions.

It is suitable for both indoor and outdoor applications, especially in fire fighting systems where remote monitoring and operational reliability are essential.

Product Description

This butterfly valve features a ductile iron disc fully encapsulated with EPDM, ensuring tight sealing, corrosion resistance, and long service life.
The wafer end design allows easy installation between flanges, reducing space requirements and overall system weight.

The integrated signal gearbox provides mechanical position indication, enabling monitoring of valve open/close status for fire protection systems.
With an ISO 5211 top flange, the valve supports easy mounting of gear operators or actuators.

Technical Features

Features

• Signal Gearbox for Position Monitoring
  Provides clear mechanical indication of valve open or closed status, supporting system supervision requirements.

• Wafer End Connection
  Compact design allows installation between flanges, saving space and reducing installation time.

• Multiple Connection Standards Supported
  Compatible with ANSI Class 125/150 and DIN PN10/PN16 flange standards.

• High Pressure Performance

• Maximum working pressure: 300 PSI

• Maximum testing pressure: 600 PSI

• Pressure performance conforms to UL 1091, ULC/ORD-C1091, and FM 1112

• Wide Size Range
  Available in sizes from 2” to 12”, covering common fire protection system requirements.

• Durable Disc & Seat Design
  Ductile iron disc with EPDM encapsulation ensures excellent sealing and resistance to wear and corrosion.

• ISO 5211 Top Flange
  Standardized mounting interface for gear operators or actuators, providing installation flexibility.

• Corrosion-Resistant Coating
  Epoxy coating on internal and external surfaces offers long-term protection. Additional coating options are available upon request.

• Wide Operating Temperature Range
  Suitable for temperatures from 0°C to 80°C (32°F to 176°F).

• Certified Lead-Free Option Available
  Compliant with NSF/ANSI 61 and NSF/ANSI 372, suitable for potable water applications.

• Multiple International Approvals
  

• Approved to UL, CUL, FM, VdS, CCC, supporting use in global fire protection projects.

Application

• Fire protection systems (sprinkler and water-based fire fighting pipelines)

• Municipal water supply and distribution systems

• Underground and buried piping installations

• Commercial and industrial buildings

• Pump stations and mechanical rooms

• Infrastructure and utility projects

• Retrofit projects combining flanged and grooved piping systems

Faq

Q1: What is the function of a signal gearbox on a butterfly valve?
A: The signal gearbox provides mechanical indication of the valve’s open or closed position, allowing system monitoring in fire protection applications.

Q2: What is the advantage of a wafer end butterfly valve?
A: Wafer end valves offer a compact, lightweight design that fits between flanges, reducing space requirements and simplifying installation.

Q3: Is this valve suitable for fire protection systems?
A: Yes. The valve meets recognized fire protection standards and approvals and is commonly used in fire fighting systems.

Q4: What pressure ratings does the valve support?
A: The valve supports a maximum working pressure of 300 PSI and a maximum testing pressure of 600 PSI.

Q5: Can this valve be used for potable water applications?
A: Yes. A certified lead-free version is available in compliance with NSF/ANSI 61 and NSF/ANSI 372 standards.

Q6: What temperature range can the valve operate in?
A: The valve is suitable for operating temperatures from 0°C to 80°C (32°F to 176°F).

Q7: Can the valve be used both indoors and outdoors?
A: Yes. The epoxy-coated design allows use in both indoor and outdoor environments.