Specifications include, but are not limited to: A. All valves shall comply with ASME 16.5, ASME B16.10, ASME 16.25, ASME B16.34, API 598, API 600, MSS-SP-45, MSS-SP-61, MSS-SP-84. B. Valves shall provide shutoff per MSS-SP61 over a range of differential pressures up to the maximum pressure rating coincident with the operating temperature over a range up to the maximum temperature rating of the valves. C. All valve stems shall be blowout proof. D. Provide suitable manual actuator for valves with unacceptably high operating torque due to service, size and style of valves. E. Valves shall have suitable devices for accepting padlock for locking the valve closed or open. When available, the valve manufacturer's standard locking arrangement shall be provided. F. Packing shall be suitable for the intended service. G. All valves 6” and larger on steam service shall have a two valve bypass around the valve.