Pressed Steel Coupler
Maini pressed fittings like pressed double coupler, pressed swivel coupler
are manufactured by a modern rapid production system. The materials employed
are principally alloy steels to BS 1449, and fittings have been tested and
conform to the requirements of BS1139 Section 2.1 (EN74) 1991. The fittings
are tested to resist corrosion having a complete zinc coating with chromate
corrosion having a complete zinc coating with chromate passivation to
BS1706.















