Drip Pan Elbow Installation

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 elbow installation.

The length of discharge piping must be minimized. Dimensions pressure drop pounds per square inch multipliers to be used 6 and 8 elbows have integral 125 lb. Cast iron drip pan elbows for steam service. The drip pan elbow changes the outlet of the safety device from horizontal to vertical.

Pipe as shown on the drawings. This could place undue stress and weight on the valve body and change the set pressure of the safety valve. Spirax sarco a leader in steam solutions manufacturers drip pan elbows. O the safety valve vent pipe may not touch the drip pan elbow o the.

Use table as shown drain to waste. Installation 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 elbow installation has its own guidelines. Installation when a steam safety valve relieves steam is blown into the.

The drip pan elbow isolates the safety valve. Drip pan elbows can improve the performance and extend the life of the safety valve by alleviating axial loads on the valve which could impair its operation and shut off drip pan elbow installation guidelines. Flanged valves 4 and smaller will require. Installation for power boilers and unfiredpressure vessel service.

All safety valves should use a purchased or custom made drip pan elbow on the safety valve outlet for the following reasons. 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. Important length of discharge piping must be kept to a minimum. This would place undue stress and weight on the valve body.

O never attach the vent discharge piping directly to the safety valve. Pressure drop is difference between inlet pressure and reduced pressure. Drip pan elbow to the safety valve if the drip pan elbow figure 6. The drip pan elbow changes the outlet of the safety device from horizontal to vertical.

Elbow and drip pan unit attached to a safety valve with female npt outlet. Drip pan elbows must be provided with a suitable unrestricted self draining source. Model 299 drip pan elbow the illustration shows a discharge elbow and drip pan unit attached to a safety valve with female npt outlet. Safety valve installation on heat transfer is not directly connected to the safety valve.

For safety valves with flanged outlets 2 to 4 use companion flange short nipple and drip pan elbow all same size as valve outlet. Never attach the vent discharge piping directly to the safety valve. Installation of the drip pan elbow has its own guidelines. 6 and 8 inch elbows have integral 125 ansi b16 1 flange.

It is typically used in conjunction with steam safety valves. The drip pan elbow is designed to collect and remove condensate from steam systems.