Re: Connections for a DN 1200 Cast Iron Main

Sounds interesting. Send some digital photos of the operation and I'll put them up if you like.

Paul

• Original Message ----- From: "Geoff Stone DD&D Australia" <blenrayaust@yahoo.co.uk> To: "paul bowers" <pipingdesign@yahoogroups.com> Sent: Thursday, August 22, 2002 9:53 PM Subject: [PipingDesign] Connections for a DN 1200 Cast Iron Main

> We have a DN 1200 (48") water supply line in cast iron with a cement
lining.
> The pipe was laid in 1912. We need to remove a gate valve and install a
new
> unit. The existing valve is encased in concrete.
>
> The planned method is to cut the pipe away from the valve, remove pipe and
> valve in one piece and install new flange spools and valve. Our problem is
we
> need to fit to the existing cast iron a flange such that the flanged
spool can
> be attached.
>
> Firstly we shall excavate the pipe and check out the surface to see if we
can
> use a coupling with lip seals but expect the surface to be pitted. We are
> considering repairing this with an epoxy if not too bad.
>
> We seek your experiences in this type of problem.
Received on Mon Aug 26 00:42:00 2002