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Armstrong International OB31-3/4-77158-16 Direct Acting Temperature Regulator 3/4" NPT 77-158F 16.25-ft Cap

Armstrong International OB31-3/4-77158-16 Direct Acting Temperature Regulator 3/4" NPT 77-158F 16.25-ft Cap
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Armstrong International OB31-3/4-77158-16 Direct Acting Temperature Regulator 3/4" NPT 77-158F 16.25-ft Cap

Armstrong International OB31-3/4-77158-16 Direct Acting Temperature Regulator 3/4" NPT 77-158F 16.25-ft Cap

SKU: OB31-3/4-77158-16
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Usually Ships 1-2 weeks
Usually Ships 1-2 weeks
$2,892.38     /ea
Usually Ships 1-2 weeks
0
$0.00
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$0.00
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OB31-3/4-77158-16
Armstrong Series OB-30 & OB-31 Temperature Regulators

The Armstrong OB-30/31 is a direct-acting temperature regulator that requires no external source for operation. Simple and compact, the unit is suitable for a wide variety of heating/cooling applications. Installing, adjusting or maintaining the OB-30/31 is quick and easy, because interchangeable capillaries mount in any position and disconnect by simply loosening the union nut. No stem packing, so there’s no leakage. Single composition seat for tight shutoff. The OB-30/31 comes in 1/2", 3/4" or 1" (15–25 mm) sizes and is available with a choice of five temperature ranges and three capillary lengths.
Application Cooling
Service Water or Non-Corrosive Liquids
Maximum Inlet Pressure Steam 150 PSI (10bar) or Liquid 250 PSI (17bar)
Maximum Differential Pressure 140 PSI (9.6bar)
Temperature Range 77F to 158F (25C to 70C)
Maximum Temperature 366F (185C)
Temperature Accuracy ±7 (±3) From Set Point
Capillary Length 16.5ft (5m)
Flow Cv 4.6Cv

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