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Bell & Gossett 401536 Angle Thermostatic Steam Trap, 1/2 in, NPT, 25 psi, Brass

HOFFMAN 401536 17C 1/2" ANGLE THERMOSTATIC STEAM TRAP 25# MAX PRESSURE PSIG

Balanced Pressure Thermostatic Steam Traps }

Bell & Gossett 401536 Angle Thermostatic Steam Trap, 1/2 in, NPT, 25 psi, Brass

560095 MFG #: 401536 Product ID:560095
Famous Supply
  • Type: Angle
  • Nominal Size: 1/2 in
  • End Style: NPT
  • Pressure Rating: 25 psi
  • Material: Brass
Thermostatic steam traps reduce start-up times and improve overall efficiency. Balanced Pressure Thermostatic Traps use a special bellows diaphragm. The diaphragm is designed to open in response to pressure and temperature to discharge air and condensate, and to close against passage of steam. The temperature at which a Thermostatic Trap opens is variable, but is 10 to 30 deg F below saturated steam temperature for the existing pressure. This type of trap is small, simple in construction, size and weight, and has adequate capacity for various applications, especially in low-pressure heating systems.
  • Features
  • Standards & Approvals
  • Application
Thermostatic traps are normally open allowing fast venting of air during start-up
During start-up, cold condensate drains through the trap, as temperatures reach 10 to 30 deg F of saturation, the thermostatic bellows element closes the trap
During operation, thermostatic traps find an equilibrium point to drain condensate approximately 10 deg to 30 deg F below saturation at continuous flow
Sub-cools condensate usually 10 deg to 30 deg F
Normally open at start-up to provide fast air venting
Follows steam saturation curve to operate over wide range of conditions
Self-draining
Energy efficient
Fast response to changing conditions
Fail mode is open
Water hammer can damage bellows
Superheat can damage bellows if it exceeds trap temperature rating
Cooling leg required in some applications
Brass bodies provide resistance to moderate water hammer and chemical attack
Stainless steel Dura-Stata modules are easily replaced without disturbing piping connections
Compact size reduces installation space requirements
Inexpensive purchase price
Range of seat pressures available up to 125 psig
Balanced pressure
Model 17C-A 2-25
Mil Specification A-A 60001 Type V
Style A
Class 1-4
Radiators, Convectors, Unit heaters, Cooking kettles, Sterilizers, Heating coils, Tracer lines, Evaporators