Drip Pan Elbow Installation

Spirax sarco a leader in steam solutions manufacturers drip pan elbows.

Drip pan elbow installation. O the safety valve vent pipe may not touch the drip pan elbow o the. The length of discharge piping must be minimized. Drip pan elbow to the safety valve if the drip pan elbow figure 6. 6 and 8 inch elbows have integral 125 ansi b16 1 flange.

Important length of discharge piping must be kept to a minimum. Flanged valves 4 and smaller will require. Drip pan elbows must be provided with a suitable unrestricted self draining source. 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. Use table as shown drain to waste. Installation when a steam safety valve relieves steam is blown into the. For flanged outlets companion flanges drip pan elbow and short nipple must be the same size as valve outlet or larger.

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. The drip pan elbow isolates the safety valve. Pipe as shown on the drawings. Installation the drip pan elbow is to be connected to the discharge connection of the safe ty relief valve by a short pipe nipple.

The pan is used to collect condensate in the steam riser and the drain is used to pipe away the condensate to a safe area. 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. Safety valve installation on heat transfer is not directly connected to the safety valve.

It is typically used in conjunction with steam safety valves. This would place undue stress and weight on the valve body. The drip pan elbow changes the outlet of the safety device from horizontal to vertical. Installation for power boilers and unfiredpressure vessel service.

Cast iron drip pan elbows for steam service. Model 299 drip pan elbow the illustration shows a discharge elbow and drip pan unit attached to a safety valve with female npt outlet. This could place undue stress and weight on the valve body and change the set pressure of the safety valve. O never attach the vent discharge piping directly to 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. Elbow and drip pan unit attached to a safety valve with female npt outlet. All safety valves should use a purchased or custom made drip pan elbow on the safety valve outlet for the following reasons. Installation of the drip pan elbow has its own guidelines.

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. Dimensions pressure drop pounds per square inch multipliers to be used 6 and 8 elbows have integral 125 lb.