Metallic gaskets for pipe flange / 
 ASME B16.20-2017 
American Society of Mechanical Engineers 
 - 1 online resource 
<br/><br/> Also issued online and hardcopy (comb binding) 
<br/><br/><label>ISBN: </label>9780791871928 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pipe flanges--Standards<br/>Pipe fittings--Standards<br/>Gaskets--Standards