Product Information Fire Safe Series FS54 Class 150/300 Flanged Standard Port Ball Valves API 607 4th Edition Class 150/300 Blowout Proof Stem Click Here for a downloadable and/or printable version of this page. Parts & Identification | Dimensions | Performance Data | How To Order SharpeŽ Valves Chicago - Headquarters (877) 774-2773 / (708) 562-9221 / Fax (708) 562-0890 E-mail info@sharpevalves.com