Electric HP Butterfly Valve (SUS304, 10K)

Model: PAVE-15

PAVE-15 is an electric high-performance butterfly valve featuring a double-offset construction with a SUS304 body and disc and an RTFE seat. It supports a wide lineup from compact 20A and 25A sizes up to large bores, and is used for remote automatic shutoff and sequence-control lines in the chemical, plant, water/wastewater, and construction sectors.

Features

• Simple structural design with low defect rate
• Quick open/close for effective fluid control
• High tightness and durability
• Double-eccentric structure with low torque
• ISO5211 Direct Mounting Pad applied
• For powder fluids or operating temperatures over 120°C
• Seat: RTFE (usable up to 220°C); METAL for higher temperatures

Specifications

Frequently Asked Questions

How does double-offset structure differ from standard CONCENTRIC structure?

CONCENTRIC structure has the stem axis aligned with the pipe centerline as a standard form. Double-offset structure has the stem axis offset in two directions, so the disc and seat contact only at the moment of opening/closing and move in non-contact state during the middle rotation section. This reduces seat wear, extending life and lowering operating torque.

What is the operating temperature of RTFE seats and the criteria for switching to metal seats?

RTFE seats can be used up to approximately 220°C. For higher-temperature lines, sections in direct steam contact, or environments where soft seats cannot ensure long-term durability such as highly abrasive slurry or solid-laden fluids, the specification can be changed to metal seats.

Can it be applied to small-diameter lines?

High-performance butterfly valves are generally supplied for medium and large-diameter lines, but PAVE-15 has a lineup down to small sizes such as 20A (3/4 inch) and 25A (1 inch). It can be used as an alternative for small-diameter branch lines requiring short face-to-face length, fast operation, and low operating torque.

What options can be added to electric actuators?

Various options are available depending on application. Small-diameter valves have approximately 1-second high-speed open/close specifications available for lines requiring fast ON/OFF repetition, continuous flow control sections can use 4-20 mA proportional control specifications, and explosion-proof actuator specifications are available for areas handling flammable gas or ignitable liquids.

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