Would like to know whether axial control valves of dresser design can be used in either direction of flow. Can any one guide specifically about Dresser Valve Model 78-AX-1/HW. What is the effect of using the control valve with a Fail: Close , Air: to clsoe with Flow : To close configuration used...
The above tank is dsigned to API 620 appendix Q , with an inner tank of ASTM A 353 material 31.2 diax 21.2 m height. The outer tank is of 33.2mx 24.2 m height. The inner tank is resting on hard wood block annular foundation , the bottom annular plate of the tank is 9.8 mm and the bottom center...
The above tank is dsigned to API 620 appendix Q , with an inner tank of ASTM A 353 material 31.2 diax 21.2 m height. The outer tank is of 33.2mx 24.2 m height. The inner tank is resting on hard wood block annular foundation , the bottom annular plate of the tank is 9.8 mm and the bottom center...
What is the maximum allowable temperature for use of ASTM A 106 Grade B. Can ASTM A 106 grad B material be used for superheated steam service at 420 degre celsius. Is there any limitations as per the code B31.1 for use at this temperature. If so can it be used for vent and drain lines.
