Watts Mueller Steam Speciality 90 Series Installation Instructions Manual

Watts Mueller Steam Speciality 90 Series Installation Instructions Manual

High performance butterfly valves

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Installation Instructions
Series 90 High Performance
Butterfly Valves
High Performance BFV
WARNING
!
DANGER
!
Electricity, electrocution
and shock hazards.
NOTICE
Warning applies where an actuator is used.
WARNING
!
Local building or plumbing codes
may require modifications to
the information provided. You
are required to consult the local
building and plumbing codes prior
to installation. If the information
provided here is not consistent
with local building or plumbing
codes, the local codes should be
followed. This product must be
installed by a licensed contractor
in accordance with local codes
and ordinances.
NOTICE
Follow the guidelines listed here for proper
installation, operation, and maintenance.
Inquire with governing authorities for local
installation requirements.
Read this Manual BEFORE using this equipment.
Failure to read and follow all safety and use information can result in death,
serious personal injury, property damage, or damage to the equipment.
Keep this Manual for future reference.
High Performance
Butterfly Valves

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Summary of Contents for Watts Mueller Steam Speciality 90 Series

  • Page 1 Installation Instructions Series 90 High Performance Butterfly Valves High Performance BFV WARNING Read this Manual BEFORE using this equipment. Failure to read and follow all safety and use information can result in death, serious personal injury, property damage, or damage to the equipment. Keep this Manual for future reference.
  • Page 2: Basic Principle Of Operation

    I. Basic Principle of Operation High Performance BFV Butterfly Valves are an eccentric butterfly valve with RPTFE. Version Lug 2" up to 40". Hardware Description 2" up to 40". 10" Standard Version Maximum Permissible Pres- Version Size Carbon sure at Room Temperature Steel 2"...
  • Page 3: Installation Conditions

    III. Installation WARNING Before installation, the pipes must be depressurized and purged (empty of its fluid) in order to avoid any danger to the operator. Preparation The pipe work must be correctly aligned so that no extra stress is exerted on the valve casing.
  • Page 4 Installation A. Mounting Between Flanges: Lug - All Versions Dia. In. 2" 2 1/2" 3" 4" 5" 6" 8" 10" 12" 14" 16" 18" 20" 24" ANSI Class 150 B16.5 ANSI See ANSI B 16.5 B16.47 Class 150 Class 150 SP44 X Available for all versions Maximum permissible pressure is:...
  • Page 5 C. Assembly Measurement to be taken before the first commissioning. Spread the flanges sufficiently to slide the valve freely without causing damage (without contact). Ensure that flanges are parallel and aligned. Place the seals next to the flange faces. Center the tap by assembling the tie rods trapped in the guidance ears of the body (Butterfly closed).
  • Page 6: Troubleshooting

    E. Troubleshooting Issue Causes Solutions Non-Waterproof Leaking Valve Close the valve Valve Control actuators Internal Leak Foreign body preventing the butter- Open the pipe, control and fly from closing remove the foreign body Damaged seal Replace the seal Damaged butterfly Replace the butterfly Replace the seal (Recom- mended)
  • Page 7: Maintenance

    G. Pre-Commissioning Protection If a valve is assembled on a pipe more than 6 months before its commissioning, the following operations must be carried out: • Perform an opening and closing cycle 1 time per month. • Leave the valve in the open position. •...
  • Page 8 State to State. You should consult applicable state laws to determine your rights. USA: T: (800) 334-6259 • F: (800) 421-6772 • MuellerSteam.com Latin America: T: (52) 55-4122-0138 • MuellerSteam.co IS-MS-BFV 2246 EDP M6762732 © 2022 Watts...

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