ASTM F1973 : 2021 Title: Standard Specification for Factory Assembled Anodeless Risers and Transition Fittings in Polyethylene (PE) and Polyamide 11 (PA11) and Polyamide 12 (PA12) Fuel Gas Distribution Systems Pages: 5 Year: 2021 Publisher: American Society for Testing and Materials Availability: Within 1-2 working days