Description

1863UD10B.28 New Tyton (Made by US Pipe & Foundry Company) 4" Ductile Iron Pipe Gaskets, or Rubber Seals, NSF-61, Catalog Number 140672. Each bid quantity is for One (1) Gasket. You may bid / buy any number, up to the total quantity available above. This item was acquired at a salvage freight sale recently. They are brand new, soft and flexible, with a light coating of some kind of rubber preservative. These list for up to $10.00 per piece, so you can save a bundle if you buy before someone else does. Rubber items are hard to measure exactly, but we get the OD as 5-3/4" and the ID as 4-1/2" and the width as 1." Written around the rim (best we can read): 4 IN TYTON HT NSF-61 HT327-207 C3 MADE IN COSTA RICA 03::04::06::07 M1393 According to the manufacturer : TYTON® Gasket U.S. Pipe’s TYTON® Gasket is used in U.S. Pipe’s TYTON JOINT® and HP LOK® Joint Ductile Iron Pipe & Fittings. It is a circular rubber gasket which has a modified bulb shape in cross section. The TYTON® Gasket conforms to ANSI/AWWA C111/A21.11 Pressure Standards for Ductile Iron Pressure Pipe and Fittings. Composition and dimensions of the gasket have been carefully engineered to ensure a water-tight and lasting seal. All TYTON® Gaskets are made from vulcanized synthetic rubber with a soft rubber bulb and harder heel joined in a strong, vulcanized bond. No reclaimed rubber is used in the process. All gaskets meet the requirements of the National Sanitation Foundation (NSF) Standard ANSI/NSF-61, Drinking Water System Components -- Health Effects. The standard rubber compound is SBR -- Styrene Butadiene Rubber. This material has a maximum service temperature rating of 150F and is used as the predominant gasket material for Drinking Water, Sea Water, Sanitary Sewer, Reclaimed Water, Raw Water, & Storm Water.