Gas volume control damper GRK
– For clamping between flanges PN 6/10/16
– Body with sealing grooves on the end faces
– External rust protection primer
– DVGW-tested
– EC type examination certificate DIN 3394-1, DIN 3391
– For gases of the 1st gas class – For gases of the 2nd gas class, 2. and 3. gas family