Size	DN 50 - 600.
Pressure range	PN 10 - 100.
Materials of basic parts
Body/Cover	Carbon Steel, C-Mn Steel for low temperatures, Low Alloy Steel for high temperatures.
Sealing surfaces	13% Cr overlay, Stellite 6 overlay, Austentic Steel type 18/8 overlay.
Working temperature	-50C ... +550C.
Connections	Flanged, butt weld.
Options	Lever and weight, integral seat, exotic materials, etc.