Options, Ashcroft, Duragauge – Pilgrim Pressure Gauges Process User Manual
Page 12: Pressure gauge

Options
Ashcroft
®
Duragauge
®
Pressure Gauge
Case and ring options
Code
Comments
Hermetically Sealed Case
H
Available on types 4
1
⁄
2
˝ 1279 and 4
1
⁄
2
,˝ 6˝ 1379 models only.
Gauge Heater
HD
Used for outdoor applications or other services where ambient temperatures
are –50°F. Available on 4
1
⁄
2
˝ 1379 model only.
Flush Mounting Ring - Steel, Black Epoxy
56
Available on 4
1
⁄
2
˝ 1279 and 4
1
⁄
2
,˝ 6˝ 1379 models only (also called 1278 flush mounting ring).
Flush Mounting Ring - Stainless Steel, Polished
57
Available on 4
1
⁄
2
˝ 1279 and 4
1
⁄
2
,˝ 6˝ 1379 models only (also called 1278 flush mounting ring).
Bourdon tube and system assembly options
AND10050-4 (
1
⁄
4
˝ Tubing Conn.)
AM
1
⁄
4
˝ High Pressure Tubing Conn.
09
Standard on ranges 30,000 psi and up.
Overload Stop
OS
Used to protect the gauge against extreme pressures.
Underload Stop
VS
Used to protect low pressure gauges against vacuum.
Throttle Screws – Brass, stainless steel and Monel
TS
0.031˝ Standard. Other sizes: .006, .0135, .020, .040, .050 and .070 (Monel .040 only).
Capillary Bleeder
BG
Available in model 1379, 4
1
⁄
2
˝ Lower conn. only with stainless steel system. Max. pressure 1000 psi.
Tip Bleeder
TB
Available in bronze, St. St. or Monel Bourdon tube gauges only. Max. pressure 15,000 psi.
Cleaning for Gaseous Oxygen
6B
Not available with steel or bronze and
PLUS!
option Bourdon tubes. If Gauge is liquid-filled specify
Halocarbon as the fill.
Cleaning for Liquid Oxygen Service
6D
Free from Mercury Contamination
MF
Provided with free from mercury contamination certification (CD-2).
Link options
Slotted Link for Sudden Pressure Increase
RJ
Unless specified, slotted link set for pressure increase. Accuracy 1% F.S. with slotted link.
Slotted Link for Sudden Pressure Decrease
S4
Liquid-filling options
Silicone Fill
GV
Halocarbon Fill
GX
For oxidixing media. Examples: chlorine, oxygen, nitric acid and sulfuric acid.
Pointer options
Red Set Hand (Single)
SH
Single stationary set hand used to indicate a specific pressure.
Red Set Hand (Double)
SJ
Double stationary set hand used to indicate 2 specific pressures.
Red Set Hand (Adjustable)
EO
Internally adjustable.
Maximum Pointer
EP
Externally reset by a knob on outside of an acrylic window.
Minimum Pointer
EQ
Externally reset by a knob on outside of an acrylic window.
Window options
Acrylic Window
PD
Ambient temperature limits –50/180°F.
Laminated Safety Glass
SG
Ambient temperature limits –50/200°F.
Non Glare Glass
NG
Ambient temperature limits –50/350°F.
Marking and tagging options
Dial Marking
DA
Service marking printed on dial.
Paper Tagging of Carton and Gauge
NN
Tag is bonded to gauge case and carton.
Stainless Steel Tagging of Gauge Case
NH
300 series stainless steel tag is wired to gauge case.
Calibration options
Calibrate to Absolute Pressure
AB
Test and certificate options
Mass Spectrometer Leak Test
ML
Special Certificate of Conformance
CD-1A
Non standard certificate of conformance.
Certificate of Conformance
CD-1
Conformance to specifications and/or drawings.
Free From Mercury Contamination
CD-2
Conformance to specifications and/or drawings and free from mercury contamination.
Individual Certified Calibration Chart
CD-4
12