Technical data
Owner and operator manual Section 1: Introduction
3-9008-001 Rev M January 2015
Technical data 5
Components:
• Maintenance interval: Exercise components monthly. Examine components
during orifice plate changes or at least once a year.
Replace components when worn or damaged.
• Seal replacement: Examine seals and gaskets during orifice plate
inspections or at least once a year. Replace when
worn or damaged.
• Fastener torque verification: Monthly (see Section 5.3 for size /ANSI Class values).
• Corrosion allowances: Fluid / service dependent (Reference: U.S. DOT, CFR
Title 49: Part 192.477 Internal corrosion control:
Monitoring).
Environmental parameters:
• Application: Surface conditions (no sub-sea applications).
• Confined/open: Designed for outdoor use. May be used in well
ventilated spaces (buildings / enclosures - meter
houses). Installation at product owner’s discretion.
• Site temperature: Material of construction dependent. (Example: WCB
maximum: +200 F (+93 C), minimum: -20 F (-28 C)).
• Site humidity: No limit
• Site elevation: No limit
• Proximity to population: For new installations, placement of the Senior shall
be at a location that has fewer than 10 buildings
intended for human occupancy within an area that
extends 220 yards (200 meters) radially from the
Orifice Fitting. (Reference: Class 1 Location: U.S. DOT,
CFR Title 49: Part 192.5).
• Proximity to traffic: A Senior must be protected from accidental damage
by vehicular traffic or other similar causes, either by
being placed at a safe distance from the traffic or by
installing barricades.
• Proximity to equipment: Install the Senior in a well ventilated place, not less
than 3 feet (914 millimeters) from any source of
ignition or any source of heat which might damage
the unit.










