1259 ASHCROFT | Alldatasheet

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Technical content

All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, DuraVis™, Plus!™ and Trust the Shield® are trademarks of Ashcroft Inc. The following non-Ashcroft trademarks are the property of their respective owners: Monel®. For more information, see Ashcroft Brands & Trademarks

FEATURES

n PLUS!™ Performance (option) dampens vibration, shock and pulsation effects; provides liquid-fill performance in a dry gauge n Accuracy complies with ASME B40.100 Grade 2A (±0.5% of span) n Solid front safety case with pressure relief back n 4½˝ dial size TYPICAL USES n Refineries n Chemical, petrochemical plants and offshore oil rigs n Water and wastewater pressure control n Pulp and paper n Mining and metals n Equipment skids n Specialized OEM equipment SPECIFICATIONS Accuracy: ±0.5% of span (ASME B40.100, Grade 2A) Dial Size: 4½˝ Process Connection: ¼ NPT Male, ½ NPT Male Ranges: Vacuum to 20,000 psi Case Style: Solid front with pressure relief back Movement: Adjustable Pointer: Micrometer adjustable, aluminum Weather Protection: Dry Case: Case is not sealed and recommended for weather protected environment only Liquid filled or field fillable and Weatherproof: IP66 Hermetically Sealed: IP66 Mounting: Stem, surface, remote Dampening Options: Liquid fill, throttle screw and pulsation dampener PLUS!™ Performance WETTED COMPONENTS Bourdon Tube Process Connection Joints 316L SS 316L SS Welded K-Monel® 500 Monel® 400 Welded NON-WETTED COMPONENTS Case Ring Window Pressure Relief Back PBT Polybutylene terephthalate (Meets UL 94-V-0) PBT Polybutylene terephthalate/ polycarbonate (Meets UL 94-V-0) Glass, Safety glass, Acrylic (OPT.) PBT Polybutylene terephthalate (Meets UL 94-V-0) KEY BENEFITS

  • Available with a wide range of diaphragm seals
  • Available with a large variety of instrument assemblies 1259 4½˝ 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) 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 0.4% 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. of 41

1259 Process Gauge

All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, DuraVis™, Plus!™ and Trust the Shield® are trademarks of Ashcroft Inc. The following non-Ashcroft trademarks are the property of their respective owners: Monel®. For more information, see Ashcroft Brands & Trademarks ORDERING CODE Example: 451259 S D 02 L XC4 15# Dial Size/Model Code 451259 - 4½˝ Polybutylene terephthalate case, solid front (Meets UL 94-V-0) 451259 System (tube and process connection) S - 316L Stainless steel tube and process connection S P - K-Monel® 500 tube, Monel® 400 process connection Case Design D - Dry D L - Glycerin liquid filled (IP65) Process Connection Sizes 02 - ¼ NPT Male 02 04 - ½ NPT Male Process Connection Location L - Lower L Options (If choosing an option(s) must include an “X”) X _ _ SG - Safety glass LJ - Hermetically sealed LL - PLUS!™ Performance NZ - PLUS!™ Performance, silicone free (dry gauges) GV - Silicone filled case NH - Stainless steel tag wired to case 6B - Cleaned for gaseous, oxygen service D3 - DuraVis™ Retroreflective Dial (4½˝ and dry case only) C4 - Traceable calibration certificate C4 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 1KG - 1 kg/cm2 100KP - 100 kPa Dual Scales 2KG/# - 2 kg inner scale, 30 psi outer scale of 42 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.

All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, DuraVis™, Plus!™ and Trust the Shield® are trademarks of Ashcroft Inc. The following non-Ashcroft trademarks are the property of their respective owners: Monel®. For more information, see Ashcroft Brands & Trademarks STANDARD PRESSURE RANGES Vacuum psi bar kPa mPa kg/cm2 30IMV N1BR N100KP N1MP N1KG – N1/0.6BR N100/60KP 0.1/0.06MP N1/0.6KG Compound – N1/1.5BR N100/150KP N0.1/0.15MP N1/1.5KG – N1/3BR N100/300KP N0.1/0.3MP N1/3KG – N1/5BR N100/500KP N0.1/0.5MP N1/5KG – N1/9BR N100/900KP N0.1/0.9MP N1/9KG Positive Pressure 15# 1BR 100KP 0.1MP 1KG – 1.6BR 160KP 0.16MP 1.6KG – 2.5BR 250KP 0.25MP 2.5KG 60# 4BR 400KP 0.4MP 4KG – 6BR 600KP 0.6MP 6KG – 10BR 1000KP 1MP 10KG – 16BR 1600KP 1.6MP 16KG – 25BR 2500KP 2.5MP 25KG 600# 40BR 4000KP 4MP 40KG – 60BR 6000KP 6MP 60KG 1500# 100BR 10000KP 10MP 100KG – 160BR 16000KP 16MP 160KG – 250BR 25000KP 25MP 250KG 6000# 400BR 40000KP 40MP 400KG – 600BR 60000KP 60MP 600KG 15000# 1000BR 100000KP 100MP 1000KG 20000# - - - - of 43

All specifications are subject to change without notice. All sales subject to standard terms and conditions. Ashcroft®, DuraVis™, Plus!™ and Trust the Shield® are trademarks of Ashcroft Inc. The following non-Ashcroft trademarks are the property of their respective owners: Monel®. For more information, see Ashcroft Brands & Trademarks DIMENSIONS For reference only, consult Ashcroft for specific dimensional drawings 3.98 Dia. 5.37 BOLT CIRCLE Dia. 5.81 3X Dia. 0.24 0.62 ACROSS FLATS ½ OR ¼ NPT 1.53 2.63 3.36 Dia. 5.19 of 44