View Larger Image Another First Kerotest enters the gas distribution industry with “Model 1”, the FIRST steel gate valve designed specifically for natural gas service. KerOTest34562019-01-04T15:18:24+00:00November 19th, 2018| Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail About the Author: KerOTest3456