SOLFRUNT® 4-1/2" Models 1901 and 19310 pages

PG - 2

Product Data
PROCESS GAUGES

SOLFRUNT ® 4-1/2" Models 1901 and 1931
DESCRIPTION

SPECIFICATIONS

The Models 1901 and 1931 4-1/2" process gauges have
an aluminum back-flanged case for applications needing stem or wall mounting. These models are available
with wetted surface material in brass/phosphor bronze
or 316L stainless steel. They are available dry or liquid
filled from the factory or your local stocking distributors,
or can be ordered with a liquid fill kit for filling in the field.

SIZES: 4-1/2"

t Models 1901 and 1931 4-1/2" SOLFRUNT gauges are
supplied in 18 vacuum, compound, and pressure ranges
from 30" Hg vacuum through 11600 psi. The low-connected aluminum back-flanged case can be easily liquid
filled in the field using the appropriate conversion kit.

WINDOW: High temperature acrylic, laminated shatter-resistant
glass options available

t Span adjustments can be accomplished from rear of
case without disturbing the gauge internals. Pointer adjustments are easily made by removing ring and window.

ACCURACY: ±0.5% of span (Grade 2A), except where seamless
stainless steel Bourdon tubes are used in following ranges:
Type 316L from 10000 to 11600 psi; accuracy is ±0.5% on
ascending pressure and ±1.0% on descending pressure
BOURDON TUBE: Phosphor bronze/silver brazed or 316L
seamless stainless steel/TIG welded

MOVEMENT: Geared movement with components of corrosionresistant 300 series stainless steel. Movement can be removed
for examination and cleaning without disturbing span and
scale shape adjustments
DIAL: Aluminum with baked white background and black
markings
POINTER: Anodized aluminum, micro-adjustable with black
finish (optional lazy hand available, part number 156147, with
dry gauges only)
CASE AND RING:
For Stem or Wall Mounting:
Cast aluminum, back-flanged case with bayonet ring, black
finish and stainless steel pressure-relieving back (liquid fill kit
available)
CONNECTION: Brass or 316L stainless steel, 1/2-14 ANPT
standard (1/4-18 ANPT optional)

SOLFRUNT Model 1931

On-line order fax: +1 215-323-9450 or e-mail: usg.sales@ametek.com

Sales/Technical Support: +1 215-293-4100 | 205 Keith Valley Road | Horsham PA 19044 U.S.A.
© 2013, by AMETEK, Inc. All rights reserved.tt
Printed in the U.S.A.tt
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Specifications are subject to change without notice. Visit our Web site for the most up-to-date information.

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