CLASS 150 CAST BRONZE,GLOBE VALVES,SCREWED BONNET,INSIDE SCREW,SCREWED ENDS.,END TO END:KITZ STANDARD,END CONNECTION:JIS B0203,WALL THICKNESS:KITZ STANDARD,TEST STANDARD:KITZ STANDARD
Screwed Bonnet, Rising Stem 
Threaded ends to BS21 (JIS B0203) 
W.O.G. non-shock 2.07 MPa (300 psi), Saturated steam pressure 1.03 MPa 
(150 psi)