Van Bướm tay gạt nhựa ASAHI Type 57

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Van Bướm tay gạt nhựa ASAHI Type 57

Butterfly valves are quarter turn valves with equal percentage type flow characteristics. They provide moderate flow control and therefore can be used for both on/off and modulating service. Good tolerance to suspended solids but not recommended for use with slurries or debris. The butterfly valve is well suited for a wide variety of fluid flow applications.

Asahi AV Butterfly Valve Type-57

Applications:

Isolation valves, control valves, chemical processing, water treatment, water features, fountains, aquariums, landfills, swimming pools, power plants, mining, transportation

Size:

40 – 350mm

1-1/2" – 14"

Body Materials:

PVC/PP/PVDF

Seat Materials:

EPDM, FKM, OTHERS

Disc Materials:

PVC//PP/PVDF

Standard:

JIS/ANSI/DIN

Excellent Sealing Performance

Sealing performance has been improved due to its specially designed seat "PAT pending".

Lowered Operating Torque

Required operating torque has been reduced by applying specially designed seat.

Protection for Over Tightening of Mating Flange

The valve body acts as a protector against over tightening to avoid breakage or deformation of the seat.

Spherical Design Disc

Spherical design disc provides superior durability and improved Cv value.

Stem Retainer

Stem retainer allows field automation or accessories preventing the stem from being removed.

Newly Developed Plastic Gear Box

Corrosion resistant plastic gear box provides a broader range of applications.

Asahi AV Butterfly Valve Type-56

Applications:

Isolation valves, control valves, chemical processing, water treatment, water features, fountains, aquariums, landfills, swimming pools, power plants, mining, transportation

Size:

400mm

16"

Body Materials:

PP/PVDF

Seat Materials:

EPDM/FKM/OTHERS

Disc Materials:

PP/PVDF

Standard:

JIS/ANSI/DIN

Step Further to All Plastic

TYPE 56 with lever operator butterfly valve which metal parts are reduced as much as possible.

Easy Transformation of Operation Devices

Application of modular design on top flange provides the valve with flexible and easy change of operation types, from lever to gear and from manual to automatic and so on.

Excellent Handling and Safety

Application of newly innovative locking device(patent pend-ing)for lever type gives the valve opening degrees by 19 levels. And also handle lever with locking hole provides one solution against wrong handle operation.

Handle Lever with Flexibility of Mounting Direction

Symmetric design on top flange offers easy change of handle lever mounting direction at working site.

Asahi AV Butterfly Valve Type-75

Applications:

Isolation valves, control valves, chemical processing, water treatment, water features, fountains, aquariums, landfills, swimming pools, power plants, mining, transportation

Size:

450 – 600mm

18"-24"

Body Materials:

PP/PVDF

Seat Materials:

EPDM/FKM/others

Disc Materials:

PP/PVDF

Standard:

JIS/ANSI/DIN

Long stem type and chain drive type are available on special request.

Asahi AV Butterfly Valve Type-56D, Type-75D

Applications:

Isolation valves, control valves, chemical processing, water treatment, water features, fountains, aquariums, landfills, swimming pools, power plants, mining, transportation

Size:

Type 56D: 400mm (16")

Type 75D: 450-600 (24")

Body Materials:

PDCPD

Seat Materials:

EPDM/FKM/others

Disc Materials:

PP/PVDF

Standard:

JIS/ANSI/DIN

Easy Transformation of Operation Devices

Application of modular design on top flange provides the valve with flexible and easy change of operation types, and from manual to automatic and so on.

Asahi AV Butterfly Valve Type-57L (Lug Style)