• Mainline Floating Hose (Double carcass)
  • Mainline Hose
  • Mainline Hose
  • Mainline Floating Hose (Double carcass)
  • Mainline Floating Hose (Double carcass)
  • Mainline Floating Hose (Double carcass)
  • Mainline Hose
  • Mainline Hose
  • Mainline Floating Hose (Double carcass)
  • Mainline Floating Hose (Double carcass)

Mainline Floating Hose (Double carcass)

Double carcass mainline hose is born with a leak detection system, which will remind the operator that the primary carcass has failed. This kind of hose structure provides a safer working condition.
Rated working pressure
15~21 bar
Safety factor
5:1
Minimum reserve buoyancy
20% or as required
Medium
Crude oil/Petroleum, Natural gas, LPG
Structure
Double carcass
Electrical continuity
Continuous as standard or as your request
Certification
Bureau Veritas
Application
SPM, SBM, FPSO, FSRU, etc.
Production standard
OCIMF GMPHOM 2009
Factory standard
ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018
  • Mainline Floating Hose (Double carcass)
  • Mainline Hose
  • Mainline Hose
  • Mainline Floating Hose (Double carcass)
  • Mainline Floating Hose (Double carcass)
Description
Mainline hoses are the main part of the floating transfer line on the ocean surface. The longer the entire line is, the larger the proportion of mainline hoses is. 



The primary carcass is surrounded by the second carcass, but they are manufactured and inspected independently. When the inner carcass burst or leak, the outer carcass won't be affected. It will continue to work as normal and react to the failure, such as showing the red warning light, so that the operator can handle the damaged hose in time. Double carcass structure not only improves work safety, but also decrease the probability of economic loss and environmental pollution.
When the primary carcass fails, fluid will flow to the second carcass instead of entering the sea water. Although the remained carcass can function up to many years, damaged parts should be removed and replaced as soon as possible. Otherwise, accidents can show up anytime.


Natural gas transfer project in Indonesia (10×10"×11.8m×10 bar)

Inner layer: Synthetic rubber
    Feature: Resistant to crude oil; Smooth 
Reinforcement: Multiple layers of high-strength textile cords + Embedded spiral steel wire
Outer layer: Synthetic rubber; Spiral orange stripes on the surface
    Feature: Smooth; Resistant to abrasion, oil, sea water, and sunlight/UV ray 
Floating material: Polyethylene closed-cell foam

Fittings: According to customer's request, ASME B 16.5 flanges (Class 150, 300, 400, 600, 900, 1500, and 2500) will be welded on the flat surface or convex surface of the hose neck. Flange material options include carbon steel and stainless steel.
Flange standard: ANSI, GB, JIS, or DIN.


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