Flexible Flanged Concentric Butterfly Valve

Flexible Flanged Concentric Butterfly Valve

Flexible Flanged Concentric Butterfly Valve

Basic information of Flexible Flanged Concentric Butterfly Valve

This valve is suitable for intercepting and adjusting the general corrosive, non-corrosive gas, liquid, semifluid, and solid powder media, and also can be used as replacement products for old pipeline renovation, maintenance, and matching valves.
Flexible Flanged Concentric Butterfly Valve

Features of Flexible Flanged Concentric Butterfly Valve

1. Short connection size saves space;
2. No extenders required, cost savings;
3. High-quality rubber material ensures seal performance;
4. Easy to operate.
Flexible Flanged Concentric Butterfly Valve

Principle of Flexible Flanged Concentric Butterfly Valve

This valve is a flange connection, its main characteristic is the structure length can expand, is advantageous installs on the long pipeline to absorb the hot expansion cold shrinkage or the balance pipeline vibration influence, because has the long stretching leeway, therefore omitted the expansion and contraction. Cylindrical channels in butterfly valve body, disc around the axis of rotation, rotation Angle for 0 ° ~ 90 °, rotate to 90 °, the valve is fully open.
Flexible Flanged Concentric Butterfly Valve

Installation and Commissioning of Flexible Flanged Concentric Butterfly Valve

The concentric butterfly valve is long stored, should be kept in a cool and dry place, valve plate in an open state of 5 ° ~ 10 °, seal and cover on both ends, with the packing can be overlapped implantation, disc installed in pipeline diameter direction, average installation. For specific use, please consult ZECO Valve Group.

Part

Material

Standard

Body

Ductile Iron

EN 1563/DIN 1693

Expansion Piece

Ductile Iron

EN 1563/DIN 1693

Trim

Stainless Steel 431

EN10088-1/ASTM A959

Seat

Stainless Steel 431

EN10088-1/ASTM A959

Sealing

EPDM / NBR

ISO 4633

Worm Actuator

Ductile Iron

EN 1563/DIN 1693

For the materials options not listed, consult factory.

ZECO manufactures valves in more than 50 different alloys.

Product scope, Standards & Materials of Flexible Flanged Concentric Butterfly Valve

Size Range: 2"~48"
Pressure Rating: 10bar ~ 25bar
Face to Face Dimensions: AMSE B16.10, EN558-1
Flange End Dimension: AMSE B16.1/16.42, AS4087, EN1092-2
Coating: Fusion Bonded Epoxy Coating
Inspection and Test: ISO 5208 / EN 12226-2

Leave us Message

Related Product Cases
Foshan Water Company

Foshan Water Company

Foshan Water Company founded in 1964, is specialized in water supply, sewage treatment, environmental protection and the...
Jinan University

Jinan University

Jinan University is a comprehensive university jointly established by shandong provincial people's government and minist...
Shanghai Peace Hotel

Shanghai Peace Hotel

The north building of the Peace Hotel was built in 1929. It was the first hotel in China to be honored as a world famous...
Related News
ZECO Valve Product Information Catalog Download