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.
Drip pan elbow dimensions.
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.
3400 cleveland street po box 67 skokie il 60076 1 800 keckley toll free 1 800 532 5539.
Dimensions inches model size 1 dimensions in weight a b c d e f g lb note dimensions are for reference only.
Note important length of discharge piping must be kept to a minimum.
This keeps the safety valve from filling with.
Drip pan elbows can prevent injury and damage to people equipment or supplies located near the safety valve or discharge piping.
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.
Installation for power boilers and unfiredpressure vessel service.
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.
Safety valve outlet and drip pan elbow size.
Use table as shown drain to waste.
Important length of discharge piping must be kept to a minimum.
Dimensions pressure drop pounds per square inch multipliers to be used 6 and 8 elbows have integral 125 lb.
For design considerations see articles.
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.
Pressure drop is difference between inlet pressure and reduced pressure.
6 and 8 inch elbows have integral 125 ansi b16 1 flange.
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.
