North American Pressure Gauges and Thermometers
Bulletin 8735/8737
8735 Pressure Gauges with English and Metric Scales
Male Pipe Connection Location
Case Material
Glass Material
Gauge Designation
Working Range Steady = Full Scale
Range (from zero unless otherwise indicated)
Wetted Material
Accuracy
Type
Fluid Medium
400 mm wc 760 mm wc - 1250 X +1250 mm wc 1500 mm wc 35 kpa
8735-15I 8735-30I 8735-60I/+60I 8735-60I
15" wc 30" wc -60" X +60"wc 60" wc 5 psi
Gaseous (air, natural gas)
Steel Case NEMA 2 IP 32
Copper Alloy
Acrylic
+-1.5% of span
Lower
Dry
Fluctuating = 0.9 x full scale
8735-5P 8735-15P
Lower Back Lower Back Lower Back Lower Back Lower Back Lower Back Lower Back Lower Back Lower Back Lower Back Lower Back Lower Back Lower Back Lower Back
100 kpa 100 kpa 100 kpa 100 kpa 200 kpa 200 kpa 200 kpa 200 kpa 400 kpa 400 kpa 400 kpa 400 kpa 700 kpa 700 kpa 700 kpa 700 kpa 1100 kpa 1100 kpa 1100 kpa 1100 kpa 2000 kpa 2000 kpa 2000 kpa 2000 kpa
15 psi 15 psi 15 psi 15 psi 30 psi 30 psi 30 psi 30 psi 60 psi 60 psi 60 psi 60 psi
Dry ***
8735-15P-B 8735-15P-LF 8735-15P-BLF 8735-30P 8735-30P-B 8735-30P-LF 8735-30P-BLF 8735-60P 8735-60P-B 8735-60P-LF 8735-60P-BLF 8735-100P 8735-100P-B 8735-100P-LF 8735-100P-BLF 8735-160P 8735-160P-B 8735-160P-LF 8735-160P-BLF 8735-300P/SST *
Liquid Filled
Dry ***
Liquid and Gaseous (air, natural gas, oil)
Copper Alloy
Polycarbonate with Buna N Gasket
304 Stainless Steel with vent plug NEMA 4X IP 65
Steady = 0.75 x Full Scale
Liquid Filled
Dry ***
Fluctuating = 0.67 x full scale
Liquid Filled
+-2.5% of span
100 psi 100 psi 100 psi 100 psi 160 psi 160 psi 160 psi 160 psi 300 psi 300 psi 300 psi 300 psi
Short time: Full Scale
Dry ***
Liquid Filled
Dry ***
Liquid and Gaseous (air, natural gas, oil, high sulfur oils)
Liquid Filled
316 Stainless Steel
8735-300P-B/SST * 8735-300P-LF/SST * 8735-300P-BLF/SST * 8735-30HG15P/SST * 8735-30HG15P-B/SST * 8735-30HG15P-LF/SST * 8735-30HG15P-BLF/SST *
Dry ***
Liquid Filled
-100kpa X 100kpa -100kpa X 100kpa -100kpa X 100kpa -100kpa X 100kpa
-30" hg X 15psi -30" hg X 15psi -30" hg X 15psi -30" hg X 15psi
Dry ***
Liquid Filled
* See maximum temperature listed under standard features *** Suitable for liquid filling Note: Wetted materials in the selection chart include connection and capsule or bourdon tube element STANDARD FEATURES Dial Size: 2 ½ inch Pipe Connection: ¼ " NPT or ¼ BSPT (see ordering instructions) Dial: Aluminum Pointer: Aluminum Weight: Approximately 0.5 lb (0.23 kg) Maximum Emergency Pressure: 1.3* full scale Maximum Temperature: 140°F (60°C) except* models from the selection chart are 212°F (100°C) Minimum Temperature: -4°F (-20°C) Temperature Error (from reference): +/-0.4% span for every 18°F (10°C), rising or falling Zero Feature: Both liquid filled gauges and dry gauges which are suitable for liquid filling (noted Dry*** in the selection charts) do not have a zero adjustment on the dial Liquid Filled Gauge Fluid: Glycerine
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