DiskFlo™ High Performance Butterfly Valve

Double-offset high performance butterfly valve sized 2.0" to 72", rated 150# to 600# (900# on request), available as wafer, lugged or double-flanged. Offers FCI 70-2 Class IV/VI shutoff and an extensive body/trim/shaft material range for general, corrosive, erosive and fugitive-emission service.

Sizes

2.0" to 72"

Pressure rating

150# to 600#; 900# on request

Body style

Double offset

End connections

Wafer type (ANSI-RF, FF; DIN EN 1092 Types A & B); lugged (ANSI-RF, FF; DIN EN 1092 Types A & B); double flanged (ANSI-RF, RTJ, FF; DIN EN 1092 Types A to H; GOST; SANS; JIS)

Body materials

ASTM A216 WCB, WCC; A217 WC6, WC9, CA15, C5, C12, C12A; A351 CF8M (SS 316), CF3M (SS 316L), CF8 (SS 304), CF3 (SS 304L), CG8M (SS 317), CG3M (SS 317L), CF8C (SS 347), CK20 (SS 310), CN7M (Alloy 20), 904L; A494 CW12MW (Hastelloy C276), CX2MW (Hastelloy C22), CW6MC (Inconel 625), M-35-1 (Monel), N12MV (Hastelloy B); A743 CA6NM (UNS S4150); A995 CD3MN (Duplex 4A), CE3MN (Super Duplex 5A), CD3MwCuN (Super Duplex 6A), CD4MWCuN (Duplex 1B); B148 C95800 (aluminium bronze); other castable and forged grades on request

Trim materials

SS 316, SS 316L, SS 304, SS 304L, SS 317, SS 317L; 17-4PH, SS 410 HT; 904L, Monel K400, Monel K500, Alloy 20; Hastelloy C276, Hastelloy C22, Hastelloy B; Inconel 625, Inconel 718; Duplex 4A, Duplex 1B, Super Duplex 5A, Super Duplex 6A; Stellite overlay, tungsten carbide overlay; others on request

Shaft materials

17-4PH; Nitronic 50; Inconel 625; 904L, Monel K400, Monel K500, Alloy 20; Hastelloy C276, Hastelloy C22, Hastelloy B; Duplex 4A, Super Duplex 5A, Super Duplex 6A

Shutoff class

FCI 70-2 Class IV, VI

Bonnets

Standard, extended (high temperature), cryogenic (low temperature)

Flow characteristic

Linear, equal percentage by positioner

Standards

ANSI, ISA, PED, NACE, CRN, GOST, SANS/SABS, JIS, EN/DIN

Service

General, corrosive, erosive, fugitive emission