It shall have a pan to collect condensate in the steam riser pipe and a drain to pipe away the condensate.
Drip pan elbow dimensions.
Use table as shown drain to waste.
For safety valves with flanged outlets 2 inch to 4 inch use companion flange short nipple and drip pan elbow all same size as valve outlet.
Steam flow through safety valve vent pipes by h e.
Dimensions inches model size 1 dimensions in weight a b c d e f g lb note dimensions are for reference only.
This keeps the safety valve from filling with.
A drip pan elbow is a specialty elbow fitting configured with a pan at the top that is used to collect and remove condensate in steam systems.
Cast iron drip pan elbows for steam service.
Drip pan elbow style dpe threaded or flanged sizes 10 6 8 elbows have 125 flanges established 1914 fabricated cone carbon steel stainless steel style tc 150 600 flanged sizes 1 24 fabricated basket carbon steel stainless steel style tb 150 600 flanged sizes 1 24 fabricated plate carbon steel.
Drip pan elbow shall be made of cast iron and conform to the power piping code.
Safety valve outlet and drip pan elbow size.
Flanged valves 4 and smaller will require a companion flange and short nipple the same size as the valve outlet the drain connection on the bottom of the elbow should be piped to waste.
For design considerations see articles.
Pressure drop is difference between inlet pressure and reduced pressure.
Dimensions pressure drop pounds per square inch multipliers to be used 6 and 8 elbows have integral 125 lb.
When attached to a safety valve outlet the drip pan elbow collects removes and returns condensate to safe areas and isolates the valve from discharge piping stresses.
Installation for power boilers and unfiredpressure vessel service.
Elbow and drip pan unit attached to a safety valve with female npt outlet.
Important length of discharge piping must be kept to a minimum.
For use with safety relief valves the drip pan elbow provides a self draining outlet to assure unrestricted discharge and keeps the safety valve from filling with water.
The drip pan elbow is to be connected to the discharge connection of the safe ty relief valve by a short pipe nipple.
Drip pan elbows can prevent injury and damage to people equipment or supplies located near the safety valve or discharge piping.
