1279 ASHCROFT | Alldatasheet
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Technical content
1All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, Duragauge®, DuraVis™, Plus!™, Trust the Shield® are trademarks and Gold ServiceSM is a service mark of Ashcroft Inc. The following non-Ashcroft trademarks are the property of their respective owners: Aminco®, Halocarbon®, Monel®, Teflon™. For more information, see Ashcroft Brands & Trademarks Data Sheet WETTED COMPONENTS Bourdon Tube Process Connection Joints 316L Stainless steel 316L Stainless steel Welded 316L Stainless steel Steel Welded K-Monel® 500 Monel® 400, Steel Welded C510 Pho. Bronze Brass Silver Brazed NON-WETTED COMPONENTS Case Ring Pressure Relief Back Phenolic Threaded, Polycarbonate (meets UL 94 V-0) Polycarbonate (Meets UL 94 V-0) KEY BENEFITS
- Available with a wide variety of accessory and diaphragm seal assemblies
- Available with high process temperature dissipation siphons 1279 41⁄2˝ dial size MIN/MAX TEMPERATURE LIMITS Version Ambient Process Storage Dry -20 °F to 200 °F (-29 °C to 93 °C) -20 °F to 250 °F (-29 °C to 121 °C) -40 °F to 250 °F (-40 °C to 121 °C) PLUS! ™ -40 °F to 150 °F (-40 °C to 66 °C) -40 °F to 200 °F (-40 °C to 93 °C) -40 °F to 150 °F (-40 °C to 66 °C) Glycerin fill 20 °F to 150 °F (-7 °C to 66 °C) 20 °F to 150 °F (-7 °C to 66 °C) 0 °F to 150 °F (-18 °C to 66 °C) Silicone fill -40 °F to 150 °F (-40 °C to 66 °C) -40 °F to 200 °F (-40 °C to 93 °C) -40 °F to 150 °F (-40 °C to 66 °C) Halocarbon® fill -40 °F to 150 °F (-40 °C to 66°C) -40 °F to 200 °F (-40 °C to 93 °C) -40 °F to 150 °F (-40 °C to 66 °C) TM Note: Other than discoloration of the dial and hardening of the gasketing that may occur as ambient or process temperatures exceeds 150 °F, non-liquid-filled gauges with standard glass windows, can withstand continuous operating temperatures up to 250 °F (121 °C). Liquid-filled gauges can withstand 200 °F (93 °C) but glycerin fill and acrylic window will tend to yellow. Accuracy at temperatures above or below the reference ambient temperature of 68 °F (20 °C) will be affected by approximately .4% per 25 °F. Gauges with welded joints will withstand 750 °F (400 °C), 450 °F (232 °C) with silver brazed joints for short times without rupture, although other parts of the gauge will be destroyed and calibration will be lost. For continuous use and for process or ambient temperatures above 250 °F (121 °C), a diaphragm seal or capillary or siphon is recommended.
FEATURES
Custom dial printing options Micrometer adjustable pointer PLUS!™ Performance option dampens vibration, shock and pulsation effects Pressure range from vacuum to 30,000 psi NSF-61 Complaint TYPICAL USES Refineries Chemical and petrochemical plants Offshore oil rigs Water and wastewater pressure control Pulp and water Mining and metals Equipment skids Specialized OEM equipment Cryogenics SPECIFICATIONS Accuracy: ±0.5% of span (ASME B40.100 Grade 2A) Size: 41⁄2˝ Range: Vacuum, compound to 30,000 psi Process Connection Location: Lower, back, side, top Process Connection: 1⁄4 NPT, 1⁄2 NPT, 9⁄16 -18 UNF-2B Aminco® (high pressure connection) Case Style: Solid front with pressure relief back Window: Glass (STD.), acrylic, shatter proof glass, non-glare glass (OPT.) Movement: Rotary, adjustable, 400 SS, TeflonTM coated Movement Materials: 400 SS, TeflonTM coated pinion gear and segment Dial: Aluminum, white background, black scale Pointer: Micrometer, adjustable, aluminum Weather Protection: Case IP Rating Ordering Code Dry Case not sealed, recommended for weather protected environment only S Dry, field fillable IP66 SH Liquid filled IP66 SL Dampening Options: Liquid: glycerin, silicone, Halocarbon®, PLUS!™ Performance Mounting: Stem, surface, flush (STD.), pipe, remote (OPT.) Approvals: CE/UKCA, CRN, NSF-61
1279 Duragauge® Pressure Gauge
2All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, Duragauge®, DuraVis™, Plus!™, Trust the Shield® are trademarks and Gold ServiceSM is a service mark of Ashcroft Inc. The following non-Ashcroft trademarks are the property of their respective owners: Aminco®, Halocarbon®, Monel®, Teflon™. For more information, see Ashcroft Brands & Trademarks Data Sheet Data Sheet ORDERING CODE Example: 451279 S SH 04 L XLL 15# Dial Size/Model Code 451279 - 4½˝ solid front 451279 System (tube and process connection) A - Bronze tube, brass process connection, Max. pressure connection 1,000 psi P - K-Monel® 500 tube, Monel® 400 process connection, Max. pressure 30,000 psi R - 316L SS tube, steel process connection, Max. pressure 20,000 psi S - 316 SS tube, 316L SS process connection, Max. pressure 20,000 psi (NSF-61 Compliant) S Case Design S - Solid front case, dry SH - Solid front case, dry (IP66 NEMA 4X) SH SL - Solid front case, liquid filled (glycerin STD.) Process Connection Sizes 02 - ¼ NPT Male, N/A for ranges over 20,000 psi 04 - ½ NPT Male, N/A for ranges over 20,000 psi 04 09 - 9⁄16 18 UNF-2B, Aminco® high pressure fitting, pressures over 20,000 psi (STD.) AM - AND 10050-4 (¼ tubing connection) RW - SAE 7⁄16 & 20 Straight thread Process Connection Location L - Lower L B - Back D - Side (3 o’clock) E - Side connection (9 o’clock) T - Top connection Options (If choosing an option(s) must include a “X”) (See Table 1 on page 3 for more options) –X__ GV - Silicone case fill GX - Halocarbon® case fill LL - PLUS!™ Performance LL ND - PLUS! Performance, silicone free (glycerin and silicone filled gauges) NZ - PLUS!™ Performance, silicone free dry gauges X1P - IP65 dry case (case cannot by liquid filled) NH - SS tag wired to case PD - Acrylic window (STD. with liquid filled or hermetically sealed cases) SG - Safety Glass C4 - Traceable calibration certificate 6B - Cleaned for oxygen service 5G - Attach one accessory to gauge. Applicable to PL02 pressure limiting valve, V01,V02,V03 valves, 1098, 1100, 1198, 2198 siphons, 7001, 7004 needle valves, 1115 capillary, 1106 pulsation dampner, 1112, PD02 pressure snubbers, MDV swivel adapter, 2265 electric warning contact Range (coding examples only, see range table on page 3 for all standard ranges) Single Scales 15# - 15 psi 15# 1BR - 1 bar 1KSC - 1 kg/cm2 100KP - 100 kPa Dual Scales 15#/BR - 15 psi inner scale, 1 bar outer scale 1BR/# - 1 bar inner scale, 15 psi outer scale When selecting a diaphragm seal or isolation ring, refer to the Min/Max Guide for compatibility with this gauge or scan the QR code to the right.
3All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, Duragauge®, DuraVis™, Plus!™, Trust the Shield® are trademarks and Gold ServiceSM is a service mark of Ashcroft Inc. The following non-Ashcroft trademarks are the property of their respective owners: Aminco®, Halocarbon®, Monel®, Teflon™. For more information, see Ashcroft Brands & Trademarks Data Sheet STANDARD PRESSURE RANGES Vacuum psi bar kPa mPa KG (kg/cm2) 30IMV N1BR N100KP N1MP N1KSC – N1/0.6BR N100/60KP 0.1/0.06MP N1/0.6KSC Compound – N1/1.5BR N100/150KP N0.1/0.15MP N1/1.5KSC – N1/3BR N100/300KP N0.1/0.3MP N1/3KSC – N1/5BR N100/500KP N0.1/0.5MP N1/5KSC – N1/9BR N100/900KP N0.1/0.9MP N1/9KSC Positive Pressure 15# 1BR 100KP 0.1MP 1KSC – 1.6BR 160KP 0.16MP 1.6KSC – 2.5BR 250KP 0.25MP 2.5KSC 60# 4BR 400KP 0.4MP 4KSC – 6BR 600KP 0.6MP 6KSC – 10BR 1000KP 1MP 10KSC – 16BR 1600KP 1.6MP 16KSC – 25BR 2500KP 2.5MP 25KG 600# 40BR 4000KP 4MP 40KSC – 60BR 6000KP 6MP 60KSC 1500# 100BR 10000KP 10MP 100KG – 160BR 16000KP 16MP 160KSC – 250BR 25000KP 25MP 250KSC 6000# 400BR 40000KP 40MP 400KSC – 600BR 60000KP 60MP 600KSC 15000# 1000BR 100000KP 100MP 1000KSC 20000# - - - - - 1600BR - 160MP 1600KSC 30000# - - - - CODECODE OPTIONOPTION ABAB Gauges calibrated to compensate for absolute Gauges calibrated to compensate for absolute pressurepressure DADA Dial marking (text marking on the dial)Dial marking (text marking on the dial) EPEP Maximum pointer (adjustable, N/A with liquid Maximum pointer (adjustable, N/A with liquid filled or hermetically sealed cases)filled or hermetically sealed cases) HYHY Hydrostatic/pneumatic testing. (System with ranges 15 -400 PSI pressurized to 150% of rated system pressure for 5 minutes. Ranges 600 PSI - 10,000 PSI pressurized to 130% system pressure for 5 minutes.) NGNG Non-glare glass (N/A with liquid fill or Non-glare glass (N/A with liquid fill or hermetically sealed cases)hermetically sealed cases) OSOS Overload stopOverload stop SHSH Red set hand, stationaryRed set hand, stationary SGSG Safety glassSafety glass TSTS Throttle screw (STD. with liquid filled, Throttle screw (STD. with liquid filled, hermetically sealed or hermetically sealed or PLUS!PLUS!™™ Performance) Performance) VSVS Underload stopUnderload stop
5656 Flush mounting ringFlush mounting ring
D3D3 DuraVisDuraVis™™ retroreflective dial retroreflective dial TMTM 2˝ Pipe mounting bracket2˝ Pipe mounting bracket 1P1P IP 65 Rating (dry gauge only; lower connect only) TABLE 1
4All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, Duragauge®, DuraVis™, Plus!™, Trust the Shield® are trademarks and Gold ServiceSM is a service mark of Ashcroft Inc. The following non-Ashcroft trademarks are the property of their respective owners: Aminco®, Halocarbon®, Monel®, Teflon™. For more information, see Ashcroft Brands & Trademarks Data Sheet HOLE IN PANEL (REAR VIEW) SHOWING USE OF LEVEL TO LINE UP SPACER POSTS PANEL CUT OUT “A” DIA. RING O.D. WASHER SPACER POST (3 REQ’D) “B” (3 REQ’D) PANEL CASE FIG. 1 MOUNTING RING Dial Size Inches A B C D E F G H J K L T V Weight oz/kg 4½ 5.81 [147.6] 3.36 [85.3] 5.07 [128.7] 1.60 [40.6] 5.375 [137] 1.62 [41.2] 3.92 [99.6] 0.73 [18.4] 0.94 [23.9] 2.62 [66.7] 0.218 [5.5] 0.62 [15.7] 2.62 [66.7] 2.5 (Dry) 3.5 (L.F.) Gauge Size Inches Ring O.D. "A" DIA. "B" Size of
3 Screws
"C" Size of Washers 4½ 6 [152] 5.625 [148] #10-24 x 15⁄8 7⁄16 x 17⁄64 x 5⁄8 1278M Series Flush Mounting Ring 1278M Series Flush Mounting Ring. Used to flush mount gauge case 1279(*)S. Black finish (STD.); Polished SS finish (OPT.) DIMENSIONS in [ ] are millimeters For reference only, consult Ashcroft for specific dimensional drawings K B J D C A G T3-L dia. holes on E dia. bolt circle F H T 1/4 NPT or 1/2 NPT V