Safe working behind leaking valves: the DBB-SAVER

The DBB-SAVER is used to fully prevent any leakage through either a Double Block & Bleed valve configuration or through a Single Isolation valve (e.g. ball, gate or plug valve)

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Safe working behind leaking valves

Reference projects

Shell UK Shearwater

Replacement of a fiscal flow meter

TAQA Gas Storage

Extreme leak rate under control

NAM UGS Grijpskerk

Confined space access

NAM UGS Norg (1)

Repair of equipment on wellhead field pipeline

Air Liquide Rotterdam (1)

General purpose for use in TAR and unplanned maintenance

NAM L9-FF-1

Repair of a gas eductor

Sakhalin Energy

Safe access to pig launchers

NAM Tjuchem

Safe working on gas transfer station

Gate Terminal

Safe access to expansion project tie-in point

Shell Nigeria – Bonga FPSO

General use for safe isolation

Shell UK Leman Alpha

Replacement of a fiscal flow meter

Gascade OPAL Pipeline

Severely passing 56" single ball valve
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