Ball-Type Flow Indicators (BFI)

Description

Flow
indicators are designed to monitor gas, air, oil, water and other
liquids at both maximum and minimum flow rates. The action is simple and
highly visible. Flow through the unit makes the white ball oscillate in
the dome. If the flow stops, the ball drops out of sight. The movement
of the ball cannot be missed, even in poorly lighted areas and at
significant distances. With only one moving part—the ball—there is
virtually nothing to go wrong.

Sizes and models

The standard ball-type flow indicator is made in
1/2″, 3/4″ and 1″ (15, 20 25 mm) NPT-compatible sizes, with a die-cast
brass body and a shatter-resistant borosilicate dome. The indicators are
suitable for temperatures up to 180°F (82°C) and pressures up to 100
psi (7 bar).

The 1/2″ (15 mm) indicator is supplied as
standard with special high-temperature joint rings and a glass-filled
PTFE Teflon ball, permitting use at temperatures up to 250°F (120°C).

The high-pressure model of the
1/2″ (15 mm) indicator has an aluminum-bronze body and high-pressure cap
assembly for pressures up to 300 psi (21 bar). It also contains a
high-temperature ball for up to 250°F (120°C).

A stainless steel version of
the 1/2″ (15 mm) indicator is made with a Type-316 stainless steel body,
a high-temperature ball and Teflon joint rings. The unit can be used
with maximum pressures of 100 psi (7 bar) and maximum temperatures of
250°F (120°C).



 

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Product Literature 
Ball-Type Flow Indicators (BFI)

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