Drip pan elbows must be provided with a suitable unrestricted self draining source.
Drip pan elbow sizing.
Touch the drip pan elbow.
This would place undue stress and weight on the valve body.
Discharge 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.
Use table as shown drain to waste 11 2 min make short as possible drain waste nom pipe size f nom pipe size a pipe size riser supported overhead g e d c b 60 60 40 60 40 40 30.
Model 299 drip pan elbow the illustration shows a discharge elbow and drip pan unit attached to a safety valve with female npt outlet.
The length of discharge piping must be minimized.
It shall have a pan to collect condensate in the steam riser pipe and a drain to pipe away the condensate.
Drip pan elbows for use with safety relief valves shall be astm a126 cl b cast iron and be of the same size as the valve outlet or larger.
Drip pan elbow shall be made of cast iron and conform to the power piping code.
O the safety valve vent pipe may not touch the drip pan elbow o the.
For safety valves with flanged outlets 2 to 4 use companion flange short nipple and drip pan elbow all same size as valve outlet.
6 and 8 inch elbows have integral 125 ansi b16 1 flange.
6 and 8 elbows have integral 125 lb.
O never attach the vent discharge piping directly to the safety valve.
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.
For safety valves with flanged outlets 2 to 4 use companion flange short nipple and drip pan elbow all same size as valve outlet.
Pipe as shown on the drawings.
Important length of discharge piping must be kept to a minimum.
Elbow and drip pan unit attached to a safety valve with female npt outlet.
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 drains on the drip pan elbows are designed to collect any condensed liquid and rain and allow flow safely away from the safety valve.
Installation of the drip pan elbow has its own guidelines.
The discharge vent piping should be supported independently from the safety valve drip pan elbow assembly to prevent undue stresses on the safety valve.
Do not plug the drip pan elbow.
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.
Pressure drop is difference between inlet pressure and reduced pressure.
For flanged outlets companion flanges drip pan elbow and short nipple must be the same size as valve outlet or larger.
Installation the drip pan elbow is to be connected to the discharge connection of the safe ty relief valve by a short pipe nipple.
6 and 8 elbows have integral 125 ansi b16 1 flange.
