Re: Double Block and Bleed Isolation

From: <Hitesh>
Date: Tue Dec 12 2006 - 09:16:00 EST

Dear Satria

Here is a vendor catalogue for double block and bleed or TWINSEAL valves.
No international code gives guidelines for these valves. Its manufacturer's standard design. Regards.

Hitesh Vaishnav
Piping Design Engineer,
CCC-Abu Dhabi.

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