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Surf.

SURF [Subsea umbilical, riser and flowlines] / TURF [Topside umbilical, riser and flowlines]

The SURF product is undoubtedly one of our clients' most valuable assets, and safeguarding it is essential.

Sirona Subsea provides a wide range of equipment designed to protect the product throughout its lifecycle and ensure optimal performance.

Additionally, our SURF equipment offers a failsafe or mitigation against potential damage in case of unforeseen events.

We also offer Topside (TURF) supply options, including Riser Hang-Off and Sealing systems, Articulated Pull-in Head assemblies, and various hardware components.

Our expertise in relevant products includes:

- J-Tube Seals (ROV, Diver & Passively installed)
- Centralisers (Non-sealing)
- Hold-Back Clamps
- Water-Stop Seals
- Riser Hang-Off & Sealing Systems
- Articulated Pull-in Heads

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Case Study - 30"ns Pipeline Plug

Pipe Size: 30”ns (762mm OD x 19.5mm WT)

Pipe material: API 5L Grade X60

Design pressure: 82.6 bar.g

Test pressure: 90.9 bar.g (Design x 1.1 FOS)

Operating temperature: Ambient subsea

Design life: 10 years

Features:

- Mechanical self-gripping (due to end-cap pressure)

- Central Vent Valve (ROV operable)

- Dual seal c/w test & vent port (DB&B)

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Case Study - Centralisers

Installation: Passive

Design: Fully-split (supplied in 2 pre-assembled halves)

J-Tube ID: 8”ns (219.1mm OD x 12.7mm WT) 193.7mm ID

Umbilical OD: 77mm (+/-2)

Centraliser ID: 79mm

Design load: Ca. 2t pull-through

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