W90414905466 SS NON RETURN VALVE NB65 NP16 SPEC: TG60300 REV: 08, W90415001560 SS NON RETURN VALVE ( SANDWITCH TYPE ) SPEC: TG60300 REV: 08 SIZE: NB = 50, NP = 1. 6, W90415301092 SS NON RETURN VALVE ( SANDWITCH TYPE ) WITH SPRING SPEC: TG60300 REV: 08 SIZE: NP = 1. 6 NB =, W96414906883 NRV NB- 80 AS PER SPEC:- TG60735 SPEC: TG60735 REV: 00, W90414906403 SS NON RETURN VALVE NB150 NP16 SPEC: TG60300 REV: 08