DiskFlo – High Performance Butterfly Valve

The DiskFlo high performance butterfly valves are versatile and compact in design, offering cost-effective, quick operation with low pressure drop, easy maintenance, and exceptional sealing for a wide range of industrial applications. Their low torque requirements, wide size range, and corrosion resistance further enhance their appeal for efficient and diverse flow control needs.

Sizes:

2.0″ to 72″

Pressure Rating:

150# to 600#; 900# on Request

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DiskFlo – High Performance Butterfly Valve

Features
Specifications
Downloads

Double Offset Disc: The DiskFlo butterfly valve’s double offset design means that the disc lifts out of the seat immediately upon opening. This eliminates the disc and seat wear reducing the leakage and improves the throttling function of the valve.
Flex Lock Seat Design: The seat is so designed that it flexes in both directions for positive shutoff. In the downstream direction the seat rotates onto the disk causing it to push tighter on the disc as the pressure builds. In the upstream direction the seat flattens out causing it to push tighter against the disc.
Dual Seat Design: The dual seat design ensures positive sealing even when the soft seat gets worn or damaged. It is also used where fire-safe design is required.
High Degree of Interchangeability: The actuator and several internal soft parts are interchangeable with the MASCOT VFlo product range.
Ease of Maintenance: The disc and shaft are non-selective meaning that either part can be replaced without the need for replacing the other part. This reduces the spare part replacement cost.
Accurate Control: The splined connection between the actuator and shaft results in better accuracy and minimizes loss of motion between the shaft and actuator.
Anti-Blowout Shaft: The shaft is so designed that it is protected from blowout.

Description	Specification
Sizes	2.0" to 72"
Pressure Rating	150# to 600#; 900# on Request
Body Styles	Double Offset
End Connections	Wafer Type (ANSI - RF, FF; DIN EN 1092 Types A & B)
Body Materials	ASTM A216 WCB, WCC ASTM A217 WC6, WC9, CA15, C5, C12, C12A ASTM A351 CF8M (SS 316), CF3M (SS 316L), CF8 (SS 304), CF3 (SS 304L), CG8M (SS 317), CG3M (SS 317L), CF8C (SS 347), CK20 (SS310), CN7M (Alloy 20), 904L ASTM A494 CW12MW (Hastelloy C276), CX2MW (Hastelloy C22), CW6MC (Inconel 625), M-35-1 (Monel), N12MV (Hastelloy B) ASTM A743 CA6NM (UNS S4150) ASTM A995 CD3MN (Duplex 4A), CE3MN (Super Duplex 5A), CD3MwCuN (Super Duplex 6A), CD4MWCuN (Duplex 1B) ASTM B148 C95800 (Aluminum 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, Monek 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	17-4 PH Nitronic 50 Inconel 625 904L, Monel K400, Monek 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
Service	General, Corrosive, Errosive, Fugitive Emission
Bonnets	Standard, Extended for High Temperature, Cryogenic for Low Temperature
Flow Characteristic	Linear, Equal Percentage by Positioner
Standards	ANSI, ISA, PED, NACE, CRN, GOST, SANS/SABS, JIS, EN/DIN

Product Catalogue

DiskFlo – High Performance Butterfly Valve

21/12/2023

Instruction and Operation Manual

DiskFlo – High Performance Butterfly Valve

21/12/2023

Industries

Oil & Gas

Power

Petrochemicals

Pulp & Paper

LNG

Chemical Processing

Pharmaceuticals

Space Research

Mining & Metals

Industrial Gases & Cryogenic

Food & Beverage

Sugar & Distilleries

Sizes:

Pressure Rating:

Product Catalogue

Instruction and Operation Manual

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