F-85143 flanged proportioners
(3, 4, 6, AND
flow direction arrow, and the type and per-
nozzle shall terminate in the foam concen-
Ansul proportioners are specifically designed
to accurately proportion and control the mix-
ing of pressurized Ansul foam concentrates
into a water stream with minimum pressure
rounded inlet and a smooth machined finish
The foam concentrate metering orifice shall
loss. Ansul proportioners are UL Listed and
to ensure minimum stream constriction and
be machined to the proper diameter for the
maximum velocity. It shall beretained by an
agent. It shall rest on a machined surface to
centrates and are used in conjunction with
internally concealed retaining ring that pre-
prevent leakage and shall be secured by a
vents removal after installation. The inlet
removable stainless steel retaining ring.
skids. Typical applications include flammableliquid storage tanks, loading racks, aircraft
PROPORTIONER DIMENSION TABLE
hangars, heliports, and anywhere flammableliquids are used, stored, processed, or trans-
Each Ansul proportioner consists of a body,
inlet nozzle, and metering orifice, all of which
The proportioner body is designed with flat-faced flanges to match ANSI 150 lb. flanges
of the same nominal size. Clearly marked on
the proportioner body are the flow directionarrow, as well as the type and percentage ofconcentrate for which the proportioner wasdesigned.
The inlet nozzle is secured by a stainless
steel retaining ring that is internally con-cealed to prevent removal after installation.
The metering orifice is sized according to thetype and percentage of concentrate usedand is also secured with a stainless steelretaining ring.
foam orifice shall be of low zinc (less than
retaining rings shall be of stainless steel.
The proportioner body shall be designed to
connect to ANSI 150 lb. flat-faced flanges;
removal shall be possible without disassem-
bly of additional pipe sections. The twoproportioner flange mating faces shall be
machined with 64 grooves per inch (2.5 cm)
to capture and seal against the flange gas-kets. The body shall be clearly marked with a
** UL Listed and FM Approved with Bladder Tanks
NOMINAL FLOW RANGES
The following table lists the nominal flowrange for each proportioner size. For flow
ranges using specific concentrates, consult
Listed nominal flow ranges do not
apply for Alcohol ResistantConcentrate.
FRICTION LOSS CURVES
Consult Ansul Incorporated to determine proportioner size and maximum pipe run between
foam tank and proportioner when using Alcohol Resistant Concentrate AFFF.
MINIMUM INLET PRESSURE VERSUS WATER FLOW
ANSUL INCORPORATED, MARINETTE, WI 54143-2542 715-735-7411
2002 Ansul Incorporated Litho in U.S.A.
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