6 and 8 inch elbows have integral 125 ansi b16 1 flange.
Drip pan elbow sizing.
Drip pan elbow shall be made of cast iron and conform to the power piping code.
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.
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.
Flanged valves 4 and smaller will require.
The discharge vent piping should be supported independently from the safety valve drip pan elbow assembly to prevent undue stresses on the safety valve.
Installation of the drip pan elbow has its own guidelines.
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.
6 and 8 elbows have integral 125 ansi b16 1 flange.
Touch the drip pan elbow.
Important length of discharge piping must be kept to a minimum.
For flanged outlets companion flanges drip pan elbow and short nipple must be the same size as valve outlet or larger.
The length of discharge piping must be minimized.
This would place undue stress and weight on the valve body.
6 and 8 elbows have integral 125 lb.
For safety valves with flanged outlets 2 to 4 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.
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.
Pipe as shown on the drawings.
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 elbows have integral 125 ansi b16 1 flange.
The drip pan elbow changes the outlet of the safety device from horizontal to vertical.
Do not plug the drip pan elbow.
Important length of discharge piping must be kept to a minimum.
Model 299 drip pan elbow the illustration shows a discharge elbow and drip pan unit attached to a safety valve with female npt outlet.
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.
Drip pan elbows must be provided with a suitable unrestricted self draining source.
O never attach the vent discharge piping directly to the safety valve.
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.
Discharge elbow and drip pan unit attached to a safety valve with female npt outlet.
Elbow and drip pan unit attached to a safety valve with female npt outlet.
