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F - Floating S - Submarine RT - Reeling Type C -Catenary
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  • Single Carcass Hose FLEXOMARINE One End Reinforced to be used in the FPSO Offloading connection;
  • Identified by one circumferencial white band at the reinforced end;
  • The hose can be supplied with reinforcement at both ends or fully reinforced;
  • Rated Working Pressure: 15 bar;
  • Minimum Bending Radius: 6D (up to 2D without any permanent deformation);
  • Minimum Reserve Buoyancy: 20% including the weight of ancillary equipment or as requested;
  • Electrical Continuity: Continuous or as requested.
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Nominal Bore (mm) Outside Diameter Weight in Air Empty (kg)
Weight in Air Full of Sea Water (kg)		 Minimum Bending Radius (m)
D1
End		 D2
Body		 D3
Body		 D4
Body		 9.1m
(30ft)		 10.7m
(35ft)		 12.2m
(40ft)
300
(12")		 800 730 600 620 1546
2214		 1769
2555		 1979
2875		 1.8
400
(16")		 960 890 760 780 2097
3183		 2395
3672		 2675
4131		 2.4
500
(20")		 1090 1020 890 910 2753
4476		 3145
5171		 3512
5822		 3.0
600
(24")		 1220 1200 1040 1060 3589
6096		 4110
7058		 4598
7959		 3.6
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FAQ

FAQ

Recommended torque used to stud bolts carbon steel coated with PTFE.

Stud bolts material

Bolts: ASTM A193 gr B7

Nuts: ASTM A194 gr 2H

Bolt Diameter Heavy Nuts Size Torque (N.m)
50 % Yield Stress
3/4” 1.1/4" 215
7/8” 1.7/16” 340
1” 1.5/8” 505
1.1/8” 1.13/16” 730
1.1/4” 2” 1010
1.1/2” 2.3/8” 1770

Optionally, stainless steel stud bolts can be used (however the yield is less than carbon steel).

Stud bolts are used to connect the hose flanges, which are normally made of carbon steel coated with PTFE.

Carbon Steel Stud bolts material.

Bolts: ASTM A193 gr B7

Nuts: ASTM A194 gr 2H

Optionally, stainless steel stud bolts can be used

Stainless Steel Stud bolts material

Bolts: ASTM A193 gr B8M

Nuts: ASTM A194 gr 8M

The most commonly used gaskets are CNAF (compressed Non Asbestos Fiber), or Spiral Wound Gaskets with PTFE filler.

The field hydrostatic test consists of filling the hose string with water, bleeding out any air remaining, and then raising the internal pressure to the Rated Working Pressure (RWP) of the hoses, or the normal operating pressure plus 50%, whichever is greater.

The lifespan of a hose depends on several factors, however, according to Flexomarine's experience, the most demanded hoses, such as First off Buoy and Tanker Rail, usually have a lifespan of approximately 3 years, while a Mainline hose, can reach approximately 5 years.

The used hoses are tested according to OCIMF “Guidelines for the Handling, Storage, Inspection and Testing of Hoses in the Field”, Second Edition – 1995, and basically consists of:

• Visual Inspection

• Hydrostatic Test

• Electrical Continuity Test

• Vacuum Test

The repair of the body of an offshore hose will be performed when only superficial damage has occurred, i.e., a damage that does not affect the primary or the secondary carcass.

The average manufacturing time for a hose, with all its tests, is approximately 10 days.

The hoses should be laid out straight on solid supports, in cool, dry and dark storage conditions.

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Floating Reeling Hoses

Flexomarine's Reeling Floating Hoses is the ideal choice for offshore oil industries looking for a high-quality solution with superior performance. With a robust construction and exceptional features, this hose is designed to meet the rigorous demands of the maritime sector.

One of the most significant features of the Reeling Floating Hoses is its unique design, which is essential for increasing the durability and reliability of the hose, ensuring that it can withstand the harsh conditions of offshore Offloading operations, as well as the loads applied to the reel.

With Flexomarine, you get a solution that is made to withstand extreme pressures and stresses, while maintaining the integrity of the fluids transferred.

Flexomarine - 45 years of experience and commitment to excellence

At Flexomarine, our aim for quality is unwavering. Our Submarine and Floating Marine Hoses are manufactured with excellent materials, complying with the strictest industry standards.

When you choose our products, you are opting for high-quality solutions that offer exceptional safety, reliability and performance.

Flexomarine is an experienced company in the maritime sector. Our commitment to excellence is evident in every detail of our products and services.

We have a team of dedicated specialists who are ready to collaborate with you on your Offloading projects and provide tailor-made solutions to meet your specific needs.

By choosing Flexomarine as your partner in maritime solutions, you are opting for experience, quality and reliability. Raise the standard of your maritime operations with Flexomarine's Reeling Floating Hoses!

With Flexomarine, you can achieve exceptional results in your Offloading operations.