Holmbury’s IA Series ISO A couplings are the ideal choice where a tough, durable product of 
superior quality is required. They are perfectly suited to agricultural and industrial applications.

Carbon steel with trivalent plating (Zinc nickel plating available)

Fitted with NBR seals

Zinc nickel plating provides corrosion resistance (1200 hours with no red rust in salt spray tests)

Poppet valves have balanced springs

Bidirectional flow

Operating temperatures (with NBR seals): -40°C (-40°F) to 106°C (223°F)