15550 pages

Liquid Filled Gauges
Model 1555 and 1558 4” Gauges, SST Case
with Brass Internals
DESCRIPTION
SPECIFICATIONS
Model 1555 and Model 1558 4” liquid filled gauges
combine low cost and high accuracy with a
rugged stainless steel case and brass internals for
corrosive and high vibration environments. Typical
applications include: pumps, compressors, HVAC,
petrochemical processing, and power generation.
t The 4” design is available in stem (Model
1555) or panel mount (Model 1558) configurations
with brass socket; phosphor
bronze Bourdon tubes
are supplied to meet
specific customer
requirements.
t They come in 18
vacuum, compound,
and gauge
pressure ranges
(see specifications).
Glycerin is standard fill
fluid, with silicone or mineral
Model
oil available on request. Dry
1555
(unfilled) gauges can also be
supplied, off-the-shelf,
by your local stocking
Ametek–U.S. Gauge
distributor.
DIAL SIZE: 4”
CASE AND RING:
For Stem Mounting:
300 Series stainless steel, solid back case with stainless steel
crimped ring. BUNA-N® multi-function plug with removable
nipple for venting, pressure relief, and liquid fill access
For Panel Mount Units:
Incorporate 3-hole stainless steel front mounting flange
(Model 1558)
WINDOW: Polycarbonate, sealed to case with a
polychloroprene gasket
DIAL: White aluminum with black markings
POINTER: Black aluminum
MOVEMENT: Brass
BOURDON TUBE: Phosphor bronze
SOCKET CONNECTION: Brass
RESTRICTOR: Brass, push type .015”
RANGES: Vacuum 30”-0 Hg VAC (counterclockwise rotation
with increasing vacuum)
Compound: 30” Hg VAC 0, 15, 30, 60, 100 psi
Gauge: 0-15, 30, 60, 100, 160, 200, 300, 600, 1000, 1500,
2000, 3000, 6000 psi
ACCURACY: ±1.6% FS
LIQUID FILL: Glycerin is standard but silicone and mineral
oil are available. Dry (unfilled) gauges are available as
off-the-shelf stock through local distributors
LOW PRESSURE VENT PLUG
Vent plug with pop-up pin is used for all low
pressure gauges, from 30” Hg to 30 psi. For
gauges in pressure ranges of 60
psi and above a standard one
piece black BUNA-N® plug is
used.
Model
1558
MODEL SELECTION CHART
MODEL
NUMBER
MOUNTING
CONNECTION
SOCKET
BOURDON TUBE
CASE
RING
1555
Stem
1/4” NPT LM
Brass
Phosphor Bronze
Stainless Steel
SST Crimped
1558
Front Flanged Panel
1/4” NPT CBM
Brass
Phosphor Bronze
Stainless Steel
SST Crimped
ALL ORDERS CAN BE SENT TO:
On-line fax: 215-323-9450 or e-mail to usg.sales@ametek.com
© 2008, by AMETEK, Inc. All rights reserved.
Printed in the U.S.A. 908PDF (160166)
Sales/Technical Support: 215-257-6531t
900 Clymer Avenuet
Sellersville, PA 18960 U.S.A.t
Customer Service: 727-536-7831t
8600 Somerset Drive
Largo, FL 33773 U.S.A.
Specifications are subject to change without notice. Visit our Web site for the most up-to-date information.