|
Process Dial Graduation Chart
(+/-0.5% of span @ midscale) |
| Pressure Range (psig) |
Major Figure Interval (psig) |
Major Graduation (psig) |
Minor Graduation (psig) |
| 0-30 |
5 |
1 |
0.2 |
| 0-60 |
5 |
1 |
0.5 |
| 0-100 |
10 |
5 |
1.0 |
| 0-150 |
10 |
5 |
1.0 |
| 0-160 |
20 |
10 |
2.0 |
| 0-200 |
20 |
10 |
2.0 |
| 0-300 |
50 |
10 |
2.0 |
| 0-500 |
50 |
10 |
5.0 |
| 0-600 |
50 |
10 |
5.0 |
| 0-1,000 |
100 |
50 |
10.0 |
| 0-1,500 |
100 |
50 |
10.0 |
| 0-2,000 |
200 |
100 |
20.0 |
| 0-3,000 |
500 |
100 |
20.0 |
| 0-4,000 |
500 |
100 |
50.0 |
| 0-5,000 |
1,000 |
500 |
50.0 |
| 0-6,000 |
1,000 |
500 |
50.0 |
| 0-8,000 |
1,000 |
500 |
100.0 |
| 0-10,000 |
1,000 |
500 |
100.0 |
| 0-15,000 |
1,500 |
500 |
100.0 |
| 0-20,000 |
2,000 |
1,000 |
100.0 |
Process Gauge Specifications
Pressure Ranges: 0-30 psig to 0-20,000 psig equivalent ISO and Metric Scales
Compound Ranges: 30" Hg/0-30 psig to 30" Hg/0-300 psig
Receiver Gauges: 3-15 psig or 3-27 psig linear or square root scales
Proof Pressure without calibration shift: 150% of maximum rated pressure
Burst Pressure: 500% of Scale Pressure
Operating Media: Any media suitable for contact with stainless steel/inconel.
Calibration: Vertical as standard.
Accuracy: Process - +/- 0.5% of span at mid-range, +/- 1.0% overall
Test- +/- 0.25% or +/- 0.50% of span. No tapping required, includes friction, hysteresis, and linearity variations.
Response Time: Approximately 100ms from 0 to full scale (gas service)
Ambient Temperature: -65 deg. F to +190 deg. F (-54 deg.C to +88 deg.C)
Service Media Temperature: -65 deg.F to 400 deg.G (-54 deg.C to +204 deg C) Higher temperatures allowable depending on installation.
Life: 250,000 cycles minimum to 1,000.000. 80% of full scale.
Dial Sizes:
Process - 2 1/2" (64mm)
41/2" (114mm) 6" (152mm)
Test 0 21/2" (64mm) 41/2" (114mm) 6" (152mm) 81/2" (216mm) 12" (305mm)
Repeatability: +/-0.25% full scale
Sensitivity: +/- 0.025% full scale
Materials:
Case- ABS Plastic (std) SS (opt)
Dial, Capillary tube, fittings, screws, and rivets - Stainless Steel
Sensing Element - Inconel X-750
Use Table below to get the Model Number
Sample Model Number:
25504-31B13
| Part Number |
Description |
|
| 25 |
Dial Gauge |
Type |
| 1 |
Compound 30in Hg - 30 to 300 psig |
Basic
Classification
(Check One) |
| 2 |
Vacuum |
| 5 |
Pressure |
| |
|
| |
|
Accuracy
(Check One) |
| 0 |
1/2 of 1% of span @ midscale |
| 7 |
1% of span (Receiver gauge only) |
| 2 |
2-1/2 in |
Scale Size
(Check One) |
| 4 |
4-1/2 in |
| 5 |
6 in |
| - |
Dash |
|
| 48 |
30-0-30 psig (Compound Only) |
Scale Code &
Range PSIG
(ISO Metric)
(Check One) |
| 21 |
0-30 psig (0-200 kPa) |
| 22 |
0-60 psig (0-400 kPa) |
| 23 |
0-100 psig (0-700 kPa) |
| 24 |
0-150 psig (0-1,000 kPa) |
| 45 |
0-160 psig |
| 25 |
0-200 psig (0-1,400 kPa) |
| 26 |
0-300 psig (0-2,000 kPa) |
| 27 |
0-500 psig (0-3,500 kPa) |
| 28 |
0-600 psig (0-4,000 kpa) |
| 29 |
0-1,000 psig (0-7,000 kPa) |
| 31 |
0-1,500 psig (0-10 MPa) |
| 32 |
0-2,000 psig (0-14 MPa) |
| 33 |
0-3,000 psig (0-20 MPa) |
| 34 |
0-4,000 psig (0-28 MPa) |
| 35 |
0-5,000 psig (0-35 MPa) |
| 36 |
0-6,000 psig (0-40 MPa) |
| 37 |
0-8,000 psig (0-56 MPa) |
| 38 |
0-10,000 psig (0-70 MPa) |
| 39 |
0-15,000 psig (0-100 MPa) Accuracy = .5% of span upscale, 1% of span downscale. |
| 41 |
0-20,000 psig (0-140 MPa)Accuracy = 1% of span upscale, 2% of span downscale. |
| B |
1/4 NPT Male |
Connection Size &
Type (Check One) |
| C |
1/2 NPT Male (for ranges below 6000 PSI) |
| 11 |
Black |
Flange: Front
Fitting: Bottom |
Enclosure
Flange & Fitting Location
& Case Color
(Check One) |
| 14 |
Yellow 4.5 Only |
| 15 |
Stainless 2.5 & 4.5 Only |
| 21 |
Black |
Flange: Front
Fitting: Back |
| 24 |
Yellow 4.5 Only |
| 25 |
Stainless 2.5 & 4.5 Only |
| 31 |
Black |
Flange: Back
Fitting: Bottom |
| 34 |
Yellow 4.5 Only |
| 35 |
Stainless 2.5 & 4.5 Only |
| 41 |
Black |
Flange: Back
Fitting: Back |
| 44 |
Yellow 4.5 Only |
| 45 |
Stainless 2.5 & 4.5 Only |
| 51 |
Black |
Flange: None
Fitting: Bottom |
| 54 |
Yellow 4.5 Only |
| 55 |
Stainless 2.5 & 4.5 Only |
| 61 |
Black |
Flange: None
Fitting: Back |
| 64 |
Yellow 4.5 Only |
| 65 |
Stainless 2.5 & 4.5 Only |
| 71 |
Black 4.5 Only |
Flange: Detached
Fitting: Bottom |
| 74 |
Yellow 4.5 Only |
| 81 |
Black 4.5 Only |
Flange: Detached
Fitting: Back |
| 84 |
Yellow 4.5 Only |
| ISO and Metric Scale |
| Type |
Suffix |
kilopascals/
megapascals* |
ISO |
| BAR |
ISB |
| kg/cm(2) |
ISK |
| Note: for dual scale add 'D' to suffix ie; psi & bar = ISBD. PSI are typically on outer arc. |
