- Working Pressure: PN16/ Class 125 - Flange Type: EN1092-2 PN16, ANSI B16.1 Class 125 (Other types available on request). WRAS Approved. Corrosion Protection: Internally and externally fusion bonded epoxy powder coated (FEB). Our products have a wide range of professional approvals such as FM, UL, WRAS. Please feel free to contact us for further enquiries and product information, or kindly visit our website: For detail product catalogue. Thank You.