Ashcroft B400 pressure switches Instrukcja Użytkownika
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Note: This sheet contains information necessary for proper and
safe operation and should be read by the installer or user
—
DO NOT DESTROY.
Do not exceed electrical, pressure or temperature ratings on
nameplates – turn off power before removing cover. Install in
a
ccordance with National Electrical Code or other applicable
s
pecifications. Process fluid type and temperature must be
c
ompatible with the wetted materials shown on the nameplates.
Diaphragm materials are coded in the catalog number as follows:
Example: B420 B
B – Buna
V – Viton
Other wetted materials are AISI 316 Stainless Steel.
This sheet should be used in conjunction with instruction 250-
2246 entitled “Installation and Maintenance B400 and B700
Series Ashcroft
®
Snap-Action Switches for Pressure Control.”
B400 and suffix XG6, snap-action switches are used on air,
natural gas, LP gas and Numbers 1, 2 and 6 fuel oil at tempera-
tures to 240°F, to a maximum pressure of 600 psi.
INSTALLATION
See references to B400 series on 250-2246 for installation and
electrical connections.The suffix XG6 switches are provided with
a
1
⁄
8 NPT vent for the attachment of a line when required. If this
vent is not connected to a line it should be plugged to prevent the
entrance of foreign matter. All XG6 controls have the left conduit
hole plug sealed at the factory.
ADJUSTMENT OF SETPOINT
A single setpoint adjustment nut is located centrally at the bot-
tom on the inside of the enclosure. XG6 controls have a setpoint
indication scale located adjacent to the adjusting nut.To adjust
the control, align the top of the adjusting nut hex with the indica-
tor line on the scale
.
Do not f
orce adjustment or attempt to
e
xceed maximum setting shown on the scale nameplate.
After installation of the control replace cov
er to insure electr
ical
safety and to protect internal parts from the environment.
Installation and Maintenance Instructions for
ASHCROFT
®
Type B400XG6 & B700XG6 Series
Snap-Action Switches for Medium Pressure
©
2007 Ashcroft Inc., 250 East Main Street, Str
atford, CT 06614-5145, USA, Tel: 203-378-8281, Fax: 203-385-0499, www.ashcroft.com
All sales subject to standard terms and conditions of sale.
I&M009-10028-10/00 (250-2430B) AMR 7/07
1
- ASHCROFT 1
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Strona 1 - ASHCROFT
Note: This sheet contains information necessary for proper andsafe operation and should be read by the installer or user—DO NOT DESTROY.Do not exceed
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