Ashcroft Options - Manual (Page 7)

268
Consult factory for guidance in product selection
Phone (203) 378-8281 or visit our web site at
www.ashcroft.com
Ashcroft ® Options
CAPILLARY
BLEED
of the Bourdon tube. It may be used as a
pressure testing tap for gauge inspection
without removing the gauge from service.
Capillary bleeders are available in bottom
connected gauges only. The capillary
bleeder is available in 300 Series stainless
steel and limited to 4 1 /
2
˝ 1379(S)S case
with 316 stainless steel system. Capillary
bleeders are available to 1000 psi.
These bleeders allow trapped air to be
removed from the Bourdon tube. They can
also be used for back-flushing or clean-
ing the system. The tip bleed is available
with 316 stainless steel systems. It is
accessible by removing the pressure relief
back. Tip bleeders are available to 23,000
psi. The capillary bleeder provides an
external case connection to the internals
TIP BLEEDER
Used to flush-mount gauge types 1188,
1220, 1279 and 1379. Standard finish is
black; polished stainless steel finish is
available at an extra charge, 4 1 ⁄
2
˝ and 6.˝
Gauge Ring A “B”-Three Screws
Size O.D. Dia.
(inches) (inches) (inches) Size
4 1 ⁄
2
6.000 5.625 #10-24 x 1 5 ⁄
8
˝
6 7.765 7.25 1 ⁄
4
-20 x 1 1 ⁄
2
˝
CAPILLARY BLEEDER
Maximum Pointer
available for gauges 4 1 ⁄
2
˝ size and
larger. Indicates maximum pressure
attained. Can be reset by a knob on
outside of window.
Plastic Disc – optional for glass window
Laminated Safety Glass – optional for
glass window
Nonglare Glass – optional for glass window
Vacuum Stop
to protect low range gauges against
vacuum.
MAXIMUM POINTER VACUUM STOP
Stationary Red Set Hand
to indicate a specific pressure. Ring must
be removed to move the hand. Special Dial
ranges different from standards, or custom
artwork, available on application.
Overload Stop
to protect gauge system against extreme
overpressure.
STATIONARY RED SET HAND OVERLOAD STOP SPECIAL DIAL
TYPE 1278M FLUSH MOUNTING RING
TIP BLEED
OPTIONAL WINDOWS