Butterfly Valve

High-performance butterfly valves designed for reliable flow control in industrial applications. Available in concentric, double offset, triple offset, and lined configurations.

Product Lineup

AGE23 / AGE43 / AGE33

Concentric Butterfly Valve

The concentric butterfly valve features a disc centered on the valve body, providing excellent sealing performance and cost-effective flow control for general industrial applications.

Features

Centered disc design for reliable sealing
Suitable for water, air, and general industrial fluids
Low pressure drop and minimal turbulence
Easy maintenance and long service life

Specifications

Size	40A ~ 600A (1.5" ~ 24")
Pressure	10K / 150LB
Temperature	-20°C ~ 120°C
Connection	Wafer / Lug / Flange

Materials

Body	GC250 / GCD450 / WCB / CF8 / CF8M
Disc	CF8 / CF8M / Al-Bronze
Seat	EPDM / NBR / FKM
Shaft	STS 304 / STS 316

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AGE45 / AGE55 / AGE35

Double Offset (2-Off Set) Butterfly Valve

High-performance double offset butterfly valve with off-center disc design, providing improved sealing and reduced wear for demanding industrial applications.

Features

Off-center disc reduces seat wear
Higher pressure rating capability
Bi-directional sealing performance
Extended operational life

Specifications

Size	50A ~ 1200A (2" ~ 48")
Pressure	10K / 16K / 150LB / 300LB
Temperature	-30°C ~ 200°C
Connection	Wafer / Lug / Flange

Materials

Body	GCD450 / WCB / CF8 / CF8M
Disc	CF8 / CF8M / Hastelloy
Seat	PTFE / RPTFE / NPE
Shaft	STS 304 / STS 316 / 17-4PH

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AGE55C / AGE35C

Crescent Disc Butterfly Valve

Crescent-shaped disc butterfly valve offering optimized flow characteristics and improved sealing geometry for enhanced performance.

Features

Crescent disc shape for optimized flow
Improved sealing geometry
Reduced torque requirements
Suitable for throttling applications

Specifications

Size	25A ~ 1200A (1" ~ 48")
Pressure	10K / 16K / 40K / 150LB / 300LB
Temperature	-29°C ~ 230°C
Connection	Wafer / Lug / Flange

Materials

Body	WCB / CF8 / CF8M
Disc	CF8 / CF8M
Seat	PTFE / RPTFE / PEEK
Shaft	STS 304 / STS 316

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AGE54 / AGE34

Triple Offset (3-Off Set) Butterfly Valve

Premium triple-offset butterfly valve featuring metal-to-metal sealing for high-temperature and high-pressure applications with zero leakage performance.

Features

Triple offset geometry for zero-friction operation
Metal-to-metal seal for high temperature service
Bubble-tight shut-off performance
Ideal for critical process applications

Specifications

Size	50A ~ 1200A (2" ~ 48")
Pressure	10K / 16K / 20K / 150LB / 300LB
Temperature	-196°C ~ 500°C
Connection	Wafer / Lug / Flange

Materials

Body	WCB / CF8 / CF8M / WC6
Disc	CF8 / CF8M / Stellite overlay
Seat	STS + Stellite / Laminated seal
Shaft	STS 304 / STS 316 / 17-4PH

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AGE461 / AGE221

PTFE / EPDM Lined Butterfly Valve

Chemically resistant lined butterfly valve with PTFE or EPDM lining for corrosive media and high-purity applications.

Features

Full PTFE or EPDM lining for corrosion resistance
Suitable for corrosive and high-purity media
Smooth bore for minimal flow resistance
FDA-compliant options available

Specifications

Size	25A ~ 300A (1" ~ 12")
Pressure	10K / 150LB
Temperature	-20°C ~ 180°C
Connection	Wafer / Lug

Materials

Body	GCD450 (PTFE Lined) / CF8M
Disc	CF8M (PTFE coated)
Seat	PTFE / EPDM / NBR
Shaft	STS 316

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