Drip Pan Elbow Sizing

This would place undue stress and weight on the valve body. Flanged valves 4 and smaller will require. For flanged outlets companion flanges drip pan elbow and short nipple must be the same size as valve outlet or larger.

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Drip Pan Elbows Pipeline Accessories Watson Mcdaniel

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Dpl Drip Pan Elbows Pipeline Accessories Watson Mcdaniel

6 and 8 elbows have integral 125 ansi b16 1 flange.

Drip pan elbow sizing. Drip pan elbows must be provided with a suitable unrestricted self draining source. O the safety valve vent pipe may not touch the drip pan elbow o the. Important length of discharge piping must be kept to a minimum. Discharge elbow and drip pan unit attached to a safety valve with female npt outlet.

6 and 8 elbows have integral 125 lb. Important length of discharge piping must be kept to a minimum. 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. 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. 6 and 8 inch elbows have integral 125 ansi b16 1 flange. Pressure drop is difference between inlet pressure and reduced pressure. 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.

It shall have a pan to collect condensate in the steam riser pipe and a drain to pipe away the condensate. 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. Drip pan elbow shall be made of cast iron and conform to the power piping code.

Installation the drip pan elbow is to be connected to the discharge connection of the safe ty relief valve by a short pipe nipple. Touch the drip pan elbow. For safety valves with flanged outlets 2 to 4 use companion flange short nipple and drip pan elbow all same size as valve outlet. 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 to 4 use companion flange short nipple and drip pan elbow all same size as valve outlet. 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. Elbow and drip pan unit attached to a safety valve with female npt outlet.

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. Do not plug the drip pan elbow. Pipe as shown on the drawings. 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.

The length of discharge piping must be minimized. The drip pan elbow changes the outlet of the safety device from horizontal to vertical.