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Introducing theAshcroft® Type 1259Process Gauge
Features include. . .• Solid Front Safety Case
• 0.5% Accuracy complies withASME B40.1
• As-Welded Bourdon Tube forSafety and Longer Life
• Adjustable Movement
• Ranges: vac. to 20,000 psi
3505 Cadillac Ave - Bldg, E - Costa Mesa, CA. - 92626 - USA. Ph (714) 751 - 7512 Fax (714) 751 - 0213
www.flw.com
Ashcroft® Type 1259 Process Gauge
SPECIFICATIONSAccuracy (ASME B40.1, Grade 2A):1⁄2% full scaleCase Style: Solid front with full blow-outback, dry, liquid filled or hermetically sealedCase Material: Fiberglass reinforcedthermoplasticDial Size: 41⁄2˝Dial Stop Pin: 6:00 o’clockRing Type: Cam lock, fiberglass reinforced thermoplasticBourdon Tube/Socket Material:316L SS/steel (R), 316L SS (S)Range Limits (psi): Vacuum-20,000Connection Size: 1⁄4 NPT, 1⁄2 NPTOthers on applicationConnection Location: Lower onlyMounting: Stem, flush, surfaceMovement: 300 series stainless steelWindow: Glass (standard). Acrylic andsafety glass (optional)Pointer: Micrometer adjustable Liquid Fills: Glycerin (standard),Silicone and Halocarbon (optional)
OPTIONAL FEATURESCASE & RING OPTIONS CODE COMMENTSFlush Mounting Ring – Steel, Black Epoxy 56Flush Mounting Ring – SS, Polished 57Hermetically Sealed, Weatherproof Case HBOURDON TUBE & SYSTEM ASSEMBLY OPTIONSOverload Stop OS Protects the gauge against pressure beyond the
maximum range.Throttle Screw – Stainless Steel TS Standard with liquid filled or hermetically sealed gauges
0.020• standard. Other sizes: .0135, .031, .040, .050, and .070.
Cleaning For Gaseous Oxygen 6B If gauge is liquid filled, specify Halocarbon as the fill.LIQUID FILLING OPTIONSSilicone Fill GV 500 cts viscosityHalocarbon Fill GX For oxidizing media. (Examples: chlorine, oxygen,
nitric acid and sulfuric acid.)WINDOW OPTIONSAcrylic Window PD Ambient temperature limits –50/180°F.Shatterproof Glass SG Ambient temperature limits –50/200°F.MARKING & TAGGING OPTIONSDial Marking DA Service marking printed on dial.Stainless Steel Tagging of Gauge NH 300 series stainless steel tag wired to gauge.TEST & CERTIFICATE OPTIONSCertificate of Conformance CD-1 Conformance to specifications and/or drawings.Individual Certified Calibration Chart CD-4 C4 (code)
RANGE TABLESPSI RANGES METRIC RANGES
Pressure – psiRange (1)
0/150/300/600/1000/1600/2000/3000/4000/6000/8000/10000/15000/20000/30000/40000/60000/10,0000/20,000Vacuum30/0 in.Hg34/0 ftH20Compound30• Hg/15 psi 30• Hg/30 psi 30• Hg/60 psi 30• Hg/100 psi 30• Hg/150 psi 30• Hg/300 psi
Pressure – kg/cm2 and bar(Outer Scale)
Range psi0/1 0/140/1.6 0/220/2.5 0/350/4 0/550/6 0/850/10 0/1400/16 0/2200/25 0/3500/40 0/5500/60 0/8500/100 14000/160 22000/250 35000/400 55000/600 85000/1000 14,0000/1600 22,000
Vacuum Outer Scale–1/0 30• Hg
Compound–1/0/1.5 30• Hg/20 –1/0/3 30• Hg/40 –1/0/5 30• Hg/70 –1/0/9 30• Hg/125 –1/0/15 30• Hg/215 –1/0/24 30• Hg/340
Pressure – kPa(Outer Scale)
Range psi0/100 0/140/160 0/220/250 0/350/400 0/550/600 0/850/1000 0/1400/1600 0/2200/2500 0/3500/4000 0/5500/6000 0/8500/10,000 14000/16,000 22000/25,000 35000/40,000 55000/60,000 85000/100,0001 4,0000/160,00 22,000Vacuum Outer Scale–100/0 30• Hg
Compound–100/0/150 30• Hg/20 –100/0/300 30• Hg/40 –100/0/500 30• Hg/70 –100/0/900 30• Hg/125 –100/0/1500 30• Hg/215 –100/0/2400 30• Hg/340
Pressure – mPa(Outer Scale)
Range psi0/0.1 0/140/0.16 0/220/0.25 0/350/0.4 0/550/0.6 0/850/1 0/1400/1.6 0/2200/2.5 0/3500/4 0/5500/6 0/850
Vacuum Outer Scale–0.1/0 30• Hg
Compound–0.1/0/0.15 30• Hg/2 0–0.1/0/0.3 30• Hg/40 –0.1/0/0.5 30• Hg/70 –0.1/0/0.9 30• Hg/125 –0.1/0/1.5 30• Hg/215 –0.1/0/2.4 30• Hg/340
HOW TO ORDER –Example, Single Scale: 45 1259SD 04L XSG 100#
SIZECode Desc.
45 41• 2•
CASE TYPECode Desc.
1259 Solid Front
CASE STYLE & MATERIALCode Desc.
SD 316L SS Tube/Socket –Dry Gauge
SL 316L SS Tube/Socket –Liquid Filled Gauge†
CONNECTIONSIZE & TYPECode Desc.
02 1• 4 NPT04 1• 2 NPT
CONNECTIONLOCATION
Code Desc.
L Lower
OPTIONSCode Desc.
XSG Safety GlassSee Optional FeatureChart for Entire List
of Options
RANGESCode Desc.
100# 0/100 psiSee Chart for List
of Standard Ranges
3.98
Dia. 5.37BOLT CIRCLE
Dia. 5.81
3X Dia..24
.62ACROSS FLATS
1/2 OR 1/4NPT 1.53
2.63
3.36
Dia. 5.19
1259 Dimensions
3505 Cadillac Ave - Bldg, E - Costa Mesa, CA. - 92626 - USA. Ph (714) 751 - 7512 Fax (714) 751 - 0213
www.flw.com