Spjeldventiler/Butterflyvalves

02-073-001
Bytterflyvalves can be supplied in materiale Cast Iron GG.25 and Nodular Cast Iron GGG 40.3.
The valves can be delivered for manual operation with lever , gear , air operated with pneumatic actuators and Motordriven with electric actuator
For maual operated valves, the most common, is lever from dimension ND40 to ND200. From ND200 it is most common with gear .
The valves can be delivered in  LUG  and WAFER type in different pressure ratings.
Standard seat is  NBR eller EPDM
The most common materiale is Cast Iron and Nodular Cast Iron.
Nodular cast Iron for valves mounted to shipside , required certificate from classification authority
All our valves in Nodular Cast iron certified according to classification authority DNV (Det Norske Veritas)
Butterflyvalves can be delivered with different seating

-EPDM
-NBR
-TEFLON
-PTFE
-METALLTETTENDE

Seating must be selected based on :
-Type media
-Temprature
-Pressure
 
LINED VALVES METAL SEATED VALVES  
Bytterfly valves can be delivered in plastic and composite materiale
02-073-001

10.10.2008