Wafer Concentric Butterfly Valve with Post Indicator
Basic information of Wafer Concentric Butterfly Valve with Post Indicator
This valve can be used to open or close the medium in the fluid pipe and is one of the accessories of the automatic sprinkler system in fire engineering.
Features of Wafer Concentric Butterfly Valve with Post Indicator
1.Directly and clearly reflect the valve switch status;2.Easy to open and seal;
3.Good quality rubber, long life;
4.Simple structure and convenient maintenance.
Principle of Wafer Concentric ButterflyValve with Post Indicator
The wafer concentric butterfly valve with position indicator is the connectionbetween the butterfly valve and the position indicator. The position indicator isadded with the electric switch box on the basis of the manual device of thevalve.There is a micro switch in both open and close directions. When thevalve is “closed” or “open” in place, an electrical signal can be provided.Theelectrical switch box is fully sealed, and the joint part of the shell is providedwith a sealing ring, so it can be used outdoors.
lnstallation and Commissioning of WaferConcentric Butterfly Valve with Post
Indicator
Clean the inner cavity of the valve before installation. lmpurity and foreignmatter are not allowed on the sealing ring and disc.Close the disc beforecleaning to avoid damaging the sealing ring. For specific use, please consultzECO Valve Group.
Product scope, Standards & Materials ofWafer Concentric Butterfly Valve with Postlndicator
Size Range: 2″~48″
Pressure Rating: 10bar ~25bar
Face to Face Dimensions:EN 558-2008
Flange End Dimension: EN1092-2,ISO 7005-2Coating: Fusion Bonded Epoxy Coating
Inspection and Test:EN 1074-1 and 2，EN 12266
Part
Material
Standard
Body
Ductile lron
EN1563/DIN 1693
Disc
Ductile lron
EN1563/DIN 1693
Seat
EPDM/NBR
ISO 4633
Stem
Stainless Steel 431
EN10088-1/ASTM A959
Position lndicator
PVc
ISO 4633
worm Actuator
Ductile lron
EN 1563/DIN 1693
For the materials options not listed, consult factory.ZECO manufactures valves in more than 50 different alloys.
https://www.zhengfengvalve.com/products/wafer-concentric-butterfly-valve-post-indicator/
