Design description:
(1) API 603 design.
(2) Bolted cover.
(3) Lift type.
(4) Spring loaded.
(5) For horizontal or vertical lines.
(6) Integral seat.
1. Materials: (1) A351-CF8. (2) A351-CF8M. (3) A351-CF3M. 2. Ends: flanged ends. 3. Ratings: (1) ANSI 150 LBS. (2) JIS 10K.