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1981
Data Sheet
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US Gauge 1981 Data Sheet

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Product Data
PROCESS GAUGES
SOLFRUNT® Solid Front 4-1/2" Model 1981 Process Gauges
1PG -
DESCRIPTION
Solid Front Model 1981 and 1981 Advantage
tage includes a dampened movement option to provide
users with some of the benefits of liquid fi lling. These gauges have a PET turret style case for chemical and petrochemical processing applications. The PET mate­rial gives this case superior impact strength and a broad spectrum of chemical resistance. They are available dry, with a dampened movement, or liquid filled from the fac­tory. Your local stocking distributor can provide a liquid fill kit, or the EZ Fill design to facilitate filling in the field without special tools.
The Model 1981 and 1981 Advantage 4-1/2" SOLFRUNT gauges are supplied in 26 vacuum, com­pound, and pressure ranges from 30" Hg vacuum through 11600 psi. The low-connected PET turret case can be easily liquid filled in the field using the appropri­ate conversion kit, or buying the EZ Fill version.
Pointer adjustments are easily made by removing ring and window, and using the adjustment screw on the micro-adjustable pointer.
SPECIFICATIONS
SIZE: 4-1/2"
ACCURACY: ±0.5% of span (Grade 2A), except where seamless
stainless steel bourdon tubes are used in following ranges: Type 316L from 10000 to 11600 psi; accuracy is ±0.5% on ascending pressure and ±1.0% on descending pressure
BOURDON TUBE: 316L seamless stainless steel/TIG welded
WINDOW: High temperature acrylic, laminated shatter-resistant
safety glass options available (G038312)
MOVEMENT: Geared movement with components of corrosion­resistant 300 series stainless steel; optional dampened movement available on Advantage unit
DIAL: Aluminum with baked white background and black markings; optional luminescent or high visibility bright yellow dial (metric single scale, dual scale and custom dials available)
POINTER: Anodized aluminum, micro-adjustable with black finish; optional red pointer or lazy hand (lazy hand can only be used on dry gauges, #132371; also called drag pointer, tell-tale pointer or red tracking pointer)
CASE AND RING: For Stem or Wall Mounting: PET turret case (black) with glass-filled polypropylene threaded ring and pressure-relieving back, EZ Fill option available
CONNECTION: 316L stainless steel, 1/2-14 NPT standard (1/4-18 NPT, optional)
LIQUID FILLING: The Model 1981 is also available in liquid filled or field fillable (EZ Fill) configurations. Please reference the Spec Number Selection Chart in this section.
WEATHER PROTECTION: NEMA 4X/IP66 with EZ Fill Case
Model 1981
Model 1981
with Lazy Hand option
Model 1981
with luminescent dial
Model 1981
with bright yellow dial
and red pointer
Product Data
PROCESS GAUGES
SOLFRUNT® Solid Front 4-1/2" Model 1981 Process Gauges
Spec Number Selection Chart
Model Number 1981 1981 Advantage
Connection Size 1/2" NPT 1/2" NPT 1/4" NPT 1/4" NPT 1/2" NPT 1/2" NPT
Movement Type Standard Standard Standard Standard Dampened Dampened
Dial Scale PSI PSI PSI PSI PSI PSI
Case Type Dry EZ Fill Dry EZ Fill Dry EZ Fill
Fill Fluid Type N/A See Note N/A See Note N/A See Note
Ranges* Spec No. Spec No. Spec No. Spec No. Spec No. Spec No.
0 - 30" Hg VAC 150016X 170016X 155016X 175016X 150016DM 170016DM
30" - 0 - 15 psi 150017X 170017X 155017X 175017X 150017DM 170017DM
30" - 0 - 30 psi 150018X 170018X 155018X 175018X 150018DM 170018DM
30" - 0 - 60 psi 150019X 170019X 155019X 175019X 150019DM 170019DM
30" - 0 - 100 psi 150020X 170020X 155020X 175020X 150020DM 170020DM
30" - 0 - 150 psi 150021X 170021X 155021X 175021X 150021DM 170021DM
30” - 0 - 200 psi 150785X 170785X 155785X 175785X 150785DM 170785DM
30” - 0 - 300 psi 150786X 170786X 155786X 175786X 150786DM 170786DM
0 - 15 psi 150022X 170022X 155022X 175022X 150022DM 170022DM
0 - 30 psi 150023X 170023X 155023X 175023X 150023DM 170023DM
0 - 60 psi 150024X 170024X 155024X 175024X 150024DM 170024DM
0 - 100 psi 150025X 170025X 155025X 175025X 150025DM 170025DM
0 - 160 psi 150026X 170026X 155026X 175026X 150026DM 170026DM
0 - 200 psi 150027X 170027X 155027X 175027X 150027DM 170027DM
0 - 300 psi 150028X 170028X 155028X 175028X 150028DM 170028DM
0 - 400 psi 150029X 170029X 155029X 175029X 150029DM 170029DM
0 - 600 psi 150030X 170030X 155030X 175030X 150030DM 170030DM
0 - 800 psi 150031X 170031X 155031X 175031X 150031DM 170031DM
0 - 1000 psi 150032X 170032X 155032X 175032X 150032DM 170032DM
0 - 1500 psi 150033X 170033X 155033X 175033X 150033DM 170033DM
0 - 2000 psi 150523X 170523X 155523X 175523X 150523DM 170523DM
0 - 2300 psi 150034X 170034X 155034X 175034X 150034DM 170034DM
0 - 3000 psi 150509X 170509X 155509X 175509X 150509DM 170509DM
0 - 3500 psi 150035X 170035X 155035X 175035X 150035DM 170035DM
0 - 5000 psi 150510X 170510X 155510X 175510X 150510DM 170510DM
0 - 6000 psi 150036X 170036X 155036X 175036X 150036DM 170036DM
0 - 10000 psi 150524X 170524X 155524X 175524X 150524DM 170524DM
0 - 11600 psi 150037X 170037X 155037X 175037X 150037DM 170037DM
2PG -
Product Data
PROCESS GAUGES
SOLFRUNT® Solid Front 4-1/2" Model 1981 Process Gauges
Spec Number Selection Chart - Dual Scale Part Numbers
Model Number 1981
Connection Size 1/2" NPT 1/2" NPT 1/2" NPT
Movement Type Standard Standard Standard
Dial Scale PSI & KPA PSI & KG PSI & BAR
Case Type Dry Dry Dry
Fill Fluid Type N/A N/A N/A
Ranges* Spec No. Spec No. Spec No.
0 - 30" Hg VAC 150301X – –
30" - 0 - 15 psi 150893X 150537X 150922X
30" - 0 - 30 psi 150878X 150489X 150923X
30" - 0 - 60 psi 150894X 150920X 150924X
30" - 0 - 100 psi 150895X 150490X 250176X
30" - 0 - 150 psi 150896X 250727X –
30” - 0 - 200 psi 150926X – 250442X
30” - 0 - 300 psi 150927X – 250654X
0 - 15 psi 150582X 150451X 150825X
0 - 30 psi 150478X 150452X 150826X
0 - 60 psi 150583X 150453X 150827X
0 - 100 psi 150584X 150454X 150828X
0 - 160 psi 150585X 150491X 150829X
0 - 200 psi 150482X 150455X 150830X
0 - 300 psi 150581X 150492X 150831X
0 - 400 psi 150586X 150493X 150832X
0 - 600 psi 150587X 150494X 150833X
0 - 800 psi 150580X 150919X 150925X
0 - 1000 psi 150588X 150495X 150834X
0 - 1500 psi 150684X 150496X 150835X
0 - 2000 psi 150942X 250304X 150079X
0 - 2300 psi 150747X 150497X 250525X
0 - 3000 psi 150943X 250305X 250490X
0 - 3500 psi 150686X – 150944X
0 - 5000 psi 150841X 250296X 250489X
0 - 6000 psi 150687X 150499X 250774X
0 - 10000 psi 250086X 250421X –
0 - 11600 psi 150898X – –
3PG -
Product Data
PROCESS GAUGES
SOLFRUNT® Solid Front 4-1/2" Model 1981 Process Gauges
Spec Number Selection Chart
Model Number
Connection Size
Movement Type
Dial Scale
Window
Fill Fluid Type
Case Type
Pressure Range Spec No. Spec No. Pressure Range Spec No. Spec No.
VAC - 0 - 760 mm Hg 150560X 170560X 0 - 1,400 KPA 150699X 170699X
VAC -100 - 0 KPA 150688X 170688X 0 - 1,600 KPA 150319X 170319X
-100 - 0 - 100 KPA 15068 9X 1706 89X 0 - 2,100 KPA 150572 X 170572X
-100 - 0 - 200 KPA 150690X 170690X 0 - 2,500 KPA 150330X 170 33 0X
-100 - 0 - 400 KPA 150804X 170804X 0 - 2,8 00 KPA 150 701X 170701X
-100 - 0 - 700 KPA 150692X 1706 92 X 0 - 4,000 KPA 1505 74X 170574X
-100 - 0 - 1,000 KPA 150693X 170693X 0 - 5,5 00 KPA 150 575X 170575X
-100 - 0 - 1,400 KPA 250307X 270307X 0 - 6,000 KPA 15 0326 X 1703 26X
0 - 100 KPA 15069 4X 1706 94X 0 - 7,000 KPA 150576X 170576X
0 - 200 KPA 150695X 1706 95X 0 - 8,000 K PA 150545X 170545X
0 - 250 KPA 15054 3X 1705 43X 0 - 10,000 KPA 15060 5X 17060 5X
0 - 400 KPA 15069 6X 1706 96X 0 - 14,000 KPA 250636X 270636X
0 - 600 KPA 150329X 17 03 29 X 0 - 16,000 KPA 1505 77 X 170577X
0 - 700 KPA 150697X 1706 97X 0 - 25,0 00 KPA 150578X 170578X
0 - 800 KPA 150 318 X 170 318 X 0 - 40,0 00 KPA 150579X 170579X
0 - 1,000 KPA 150544X 17 05 44X 0 - 60,00 0 KPA 150332X 170 33 2 X
0 - 1,100 KPA 150 69 8X 17069 8X 0 - 80,000 K PA 150321X 170 321X
Dry EZ Fill
1981
1/2" NPT
Standard
KPA
Acrylic
N/A
Model Number
Connection Size
Movement Type
Dial Scale
Window
Fill Fluid Type
Case Type
Dry EZ Fill
1981
1/2" NPT
Standard
KPA
Acrylic
N/A
4PG -
Product Data
PROCESS GAUGES
SOLFRUNT® Solid Front 4-1/2" Model 1981 Process Gauges
Spec Number Selection Chart
Model Number
Connection Size
Movement Type
Dial Scale
Window
Fill Fluid Type
Case Type
Dry EZ Fill
1981
1/2" NPT
Standard
BAR
Acrylic
N/A
Model Number
Connection Size
Movement Type
Dial Scale
Window
Fill Fluid Type
Case Type
Dry EZ Fill
Pressure Range Spec No. Spec No. Pressure Range Spec No. Spec No.
-1 - 0 BAR 150900X 170900X -1 - 0 - 2 KG/C M
-1 - 0 - 1 BAR 1508 91X 1708 91X -1 - 0 - 4 KG /CM
-1 - 0 - 1.5 BAR 15090 2X 1709 02X 0 - 1 KG/ CM
-1 - 0 - 2 BAR 2 50 198 X 27019 8X 0 - 2 KG/CM
-1 - 0 - 7 BAR 250794X 270794X 0 - 4 KG /CM
0 - 1 BAR 15046 7X 1704 67X 0 - 6 KG/ CM
0 - 2 BAR 150468X 170468X 0 - 7 KG/CM
0 - 4 BAR 150 46 9X 17046 9X 0 - 10 KG/CM
0 - 6 BAR 150 821X 1708 21X 0 - 11 KG /CM
0 - 7 BAR 15 0513X 17 05 13X 0 - 14 KG /CM
0 - 11 BAR 150470X 170470X 0 - 16 KG/CM
0 - 14 BAR 150 471X 170471X 0 - 20 KG /C M
0 - 16 BAR 1505 49X 1705 49 X 0 - 21 KG/ CM
0 - 21 BAR 150472 X 170472 X 0 - 25 KG/CM
0 - 25 BAR 150550X 1705 50 X 0 - 28 KG/CM
0 - 28 BAR 250339X 270339X 0 - 4 0 KG/CM
0 - 40 BAR 150 512 X 170512 X 0 - 6 0 KG/CM
0 - 56 BAR 250570X 270570X 0 - 70 KG/CM
0 - 70 BAR 150473X 170473X 0 - 100 KG/CM
0 - 105 BAR 150 474X 17 0474X 0 - 105 KG /CM
0 - 140 BAR 250351X 270 351X 0 - 160 KG /C M
0 - 160 BAR 15 0475X 170 475X 0 - 210 KG/CM
0 - 210 BAR 250638X 270638X 0 - 25 0 KG/CM
0 - 350 BA R 250639X 270639X 0 - 400 KG /CM
0 - 420 BA R 250738X 270738X 0 - 420 KG /CM
0 - 700 KG /CM
0 - 800 KG /C M
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
150 54 2X 17 05 42X
2
2
2
2
2
2
2
2
250280X 270280X
2
250557X 270557X
15084 4X 17084 4X
150552 X 170552X
150553X 170553X
150554X 17055 4X
150881X 170881X
150506X 17 05 06X
150631X 170631X
150507X 17 05 07 X
150558X 17055 8X
150342X 17034 2X
150632X 17063 2X
150508X 17 05 08X
150343X 170343X
150559X 170559X
150808X 170808X
150879X 170879X
150807X 170807X
250030X 270030X
250033X 270033X
250277X 270277X
15090 3X 17090 3X
15089 9X 17089 9X
250279X 270279X
150777X 170777X
1981
1/2" NPT
Standard
KG/CM
Acrylic
N/A
2
5PG -
Product Data
5.84
3.13
SQUARE
(40.1)
1/2-14 NPT
PROCESS GAUGES
SOLFRUNT® Solid Front 4-1/2" Model 1981 Process Gauges
6PG -
(148.3)
270º ARC
2.62
(66.5)
0.88
(22.2)
ø0.22
THREAD
(5.6)
3 HOLES
Model Number Ordering Codes:
Case type
15 or 25 Standard dry case 17 or 27 EZ Fill case
Connection size
0 1/2-14 NPT thread 5 1/4-14 NPT thread
Pressure range
Pressure range – see tables on previous pages
Movement type
X Standard movement DM Dampened movement
Fill fluid type
LG Glycerin LS Silicone LM Mineral
15 0 025 X LG SR
(79.5) MAX.
5.06
(128.6)
0.58
(14.6)
1.58
INCHES
Close-up of 1981 EZ Fill case
with glycerin fill, bright yellow
Additional options
SR Shatter-resistant window CL Oxygen service N NACE compliance /C NIST certification /M Material certification for socket LUM Luminescent dial /YB Bright yellow dial /RP Red pointer LHZ Lazy hand
(MM)
dial and red pointer
PET TURRET CASE
MOUNTING
CONFIGURATION
5.38
(136.5)
ø0.25
(6.4)
MINIMUM
3 HOLES EQUALLY SPACED
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