China, API 609, Metal to Metal, Sedes, Triplex cinguli, Eccentrici, Papilio Valvae, iuncta, Wafer, Lugged, Flanged, Fabrica, officina, pretium, Caron Steel, Steel, A216 WCB, WC6, WC9, A352 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A. Pressura ab Classis 150LB ad 2500LB.