System Tube
A - Bronze tube, brass process connection, Max. pressure connection 1,000 psi
B - 4130 Alloy Steel Tube (1000 PSI Range Maximum)
P - K-Monel® 500 tube, Monel® 400 process connection, Max. pressure 30,000 psi
R - 316L SS tube, steel process connection, Max. pressure 30,000 psi
S - 316 SS tube, 316L SS process connection, Max. pressure 30,000 psi
Case Design
S - Solid front case, dry
SH - Solid front case, liquid filled (glycerin STD.)
SL - Solid front case, liquid filled (glycerin STD.)
Process Connection Size
02 - 1/4 NPT Male, N/A for ranges over 20,000 psi
04 - 1/2 NPT Male, N/A for ranges over 20,000 psi
09 - 9⁄16-18 UNF-2B, high pressure fitting, pressures over 20,000 psi (STD.)
AM - 1/2 NPT Male
RW - 1/2 NPT Male
Process Connection Location
L - Lower
B - Back
D - Side (3 o’clock)
E - Side connection (9 o’clock)
T - Top connection
Range
30IMV - 30 in. Hg vac
V/15# - Compound - Vaccuum to 15 psi
V/30# - Compound - Vaccuum to 30 psi
V/60# - Compound - Vaccuum to 60 psi
V/100# - Compound - Vaccuum to 100 psi
15# - 15 psi
30# - 30 psi
60# - 60 psi
100# - 100 psi
120# - 120 psi
160# - 160 psi
200# - 200 psi
300# - 300 psi
400# - 400 psi
500# - 500 psi
600# - 600 psi
800# - 800 psi
1000# - 1000 psi
1500# - 1500 psi
2000# - 2000 psi
3000# - 3000 psi
4000# - 4000 psi
5000# - 5000 psi
6000# - 6000 psi
8000# - 8000 psi
10000# - 10,000 psi
15000# - 15,000 psi
20000# - 20,000 psi
30000# - 30,000 psi
Options
- None
XLL - PLUS! Performance
XNZ - PLUS! Performance (Silicone Free)
XND - PLUS! Performance (Silicone Free with Glycerin or Silicone Filled gauge case only)
XGV - Silicone case fill (Add to list price of glycerin filled gauge. Acrylic window standard)
XGX - Halocarbon case fill (Add to list price of glycerin filled gauge. Acrylic window standard)
XTS - Throttle Screws – Brass, SS & Monel (If orifice not specified a 0.020˝ size throttle screw will be supplied)
X56 - Black - Type 1278M
X57 - 7 Polished SS - Type 1278MC
XTM - 2" Pipe Mounting Bracket
XFP - Fungus Proof Case
X1P - IP 65 rating (guage not liquid fillable) for dry 1279. Lower connect only
XOS - Overload Stop (OS must be included in coding when 1H option pneumatic/hydrostatic test is required)
XVS - IP 65 rating (guage not liquid fillable) for dry 1279. Lower connect only
XTB - Tip Bleed (S Tube Only, 20,000 PSI Max. Not available liquid filled or hermetically sealed)
XTR - Tons on Ram Gauge (Includes Throttle Screw, Slotted Link, and Special Dial)
XPR - Receiver Gauge 3-15 PSI
XRJ - Slotted Link; Sudden Increase
XS4 - Slotted Link; Sudden Decrease
XVY - Krytox Lubricated Movement (Silicone Free)
XPD - Acrylic window
XSG - Safety Glass
XNG - Non-Glare Glass
XEP - Maximum pointer, adjustable (NA on liquid filled gauge or with safety glass)
XEQ - Minimum pointer, adjustable (NA on liquid filled gauge or with safety glass)
XSH - Red set hand, stationary, single
XSJ - Red set hand, stationary, double
XEO - Red set hand, adjustable (NA on liquid filled gauge or with safety glass)
XE6 - Dial stop pin 6 O'clock
XNH - Paper tag bonded to case
XNN - Paper tag bonded to case
XMN - Stainless steel tag bonded to case
XDA - Dial Marking - Text marking on dial
XAB - Gauges calibrated to compensate for Absolute Pressure
XKH - Custom Calibration requirements
XUW - Underwater applications
XHY - Hydrostatic/Pneumatic Testing System pressurized to 150% of rated system pressure for 5 minutes. Overload stop standard.
XC3 - Material Certificate per EN 10204 3.1 (316SS systems only, N/A for A,B & R systems, O/A for monel)
XC4 - Individual calibration chart in accordance with ASME B 40.100:2013. Accuracy of unit traceable to N.I.S.T
XMQ - Positive Material Identification (PMI)
XML - Mass Spectrometer Leak Test
XC7 - PED Declaration of Conformity ≥2,900 psi
XW2 - Dye Penetrant of Bourdon Tube
X6B - Oxygen service (Cleaned for Gaseous Oxygen or other Strong Oxidizing Agents)
X6A - Gauges Dried To Remove Residual Moisture After Calibration
X6D - Cleaned for LOX Service
X6N - Cleaned for Nuclear Service
X6W - Cleaned for Oxidizing Processes other than Oxygen
XMF - Mercury Free Gauges Per Spec ABP317
XT1 - Test Gauge Dial and Pointer (Liquid filled case not available, only 60 psi and above)