A batch of double orifice air valves with ABS float balls and single small orifice air valves with brass isolation valves & oblong holes to suit DN40/50/60/65 flanges are ready for delivery.
A batch of double orifice air valves with ABS float balls and single small orifice air valves with brass isolation valves & oblong holes to suit DN40/50/60/65 flanges are ready for delivery.