

The main feature of this system is the use of a specially designed acetal stud and 7-piece polycarbonate flap arrangement.
The system has been installed by most of the major petroleum companies. Several sizes have been produced, the largest at least 500mm high.

MRDC Ltd,
PO Box 5745,
Epping, Essex
CM16 4LE, UKe-mails:
calvert@mrdcnet.com
and
hobbs@mrdcnet.comTelephones/Faxes:
+44 (0)1992 577377,
& +44 (0)20 8505 9005