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ALFAGOMMA
OIL & GAS PRODUCT RANGE

OIL & GAS PRODUCT RANGE

Product catalog summary

Overview: Alfagomma offers a wide range of hoses, fittings, and equipment for the oil industry, suitable for both onshore and offshore applications. The company focuses on continuous improvement and customer satisfaction, supported by a global network of production sites and assembly centers.

Product Range: The product line includes hoses for Floating Roof Tank drain applications, Rig Supply, Dock, On Shore, Mooring, and OCIMF Off Shore hoses, as well as Rotary Drilling, Vibrator, Choke & Kill, Sour Service, Cementing, and Slim Hole hoses.

Quality and Standards: Alfagomma adheres to ISO 9001 and ISO 14001 standards, ensuring high-quality products that meet environmental norms. Products come with relevant Quality and Testing Certificates.

Specifications: Specifications can be modified without notice. Weights and dimensions are nominal, and working pressures are based on an ambient temperature of 20°C (68°F).

Manufacturing Locations: Key production sites include Teramo (Industrial Hose & Fittings), Johore, Malaysia (Hydraulic Hose), Cosenza (Hydraulic Fittings & Adapters), and Ningbo, China (Hydraulic Fittings & Adapters).

Hose Types and Applications:

Drilling: Includes Slim Hole Rotary and Rotary Drilling & Vibrator hoses for high-pressure applications.
Oil Well Cementing: Hoses for high-pressure cement slurry transfer, including the Supertuff variant.
Blow Out Prevention: Choke & Kill hoses for BOP systems, designed for sour gas applications.
Oil Marine: Floating and Submarine OCIMF hoses for crude oil flowlines and risers.
Dock: Fuel-oil hoses compliant with EN 1765 standards for various pressure ratings.

Technical Data: Specifications include internal and external diameters, minimum bend radius, vacuum ratings, weight, and pressure ratings for various hose types.

Accessories: The range includes ball valves, retaining systems, hose protections, drag chains, and hose floats.

Specifications:

60DAA, 60MAA, 64AAA: Fuel-oil suction and delivery hoses with a pressure rating of 10 bar (150 psi) and temperature range of -20 °C to +82 °C. Resistant to abrasion, ozone, sea water, and hydrocarbons, with a maximum aromatic content resistance of 55%.
60GAA, 60NAA, 64DAA: Similar to the above but with a higher pressure rating of 15 bar (225 psi).
6N511, 5N331: Heavy-duty hoses for high-temperature applications, with pressure ratings of 14 bar (200 psi).
Rig Supply Hoses (642AA, 646AA, 648AA, 652AA, 615AA): Designed for fuel, oil, and liquid mud transfer from supply vessels to offshore platforms.
Bulk Material Hoses (715AA, 748AA): Used for transferring bulk materials like barite and dry cement.

Key Features:

High tensile textile cords and embedded steel helix wire for reinforcement.
Black NBR tube and CR cover for resistance to various environmental factors.
Safety factor of 4:1 for most hoses, with some having a 5:1 ratio.
Temperature ranges vary, with some hoses designed for high-temperature applications up to +120 °C.

Recommendations:

Use built-in fittings with flange PN 16 - ASA 150 for optimal performance.
Stainless steel versions are available upon request for enhanced durability.
Coloured over-ferrules are available for ease of identification in rig supply hoses.

Data Tables: Detailed tables with dimensions, pressure ratings, and weight specifications for each hose type are provided.

Conclusion: The document outlines the construction, specifications, and applications of various industrial hoses, emphasizing safety factors, temperature ranges, and recommended fittings for optimal performance in specific industrial settings.

Composite Hose Fitting Overview: Detailed specifications and data for composite hose fittings, including smooth ferrules and crimping gaskets, are provided. The fittings are available in various materials such as plated steel, stainless steel (S/S 304), and aluminum.

Hydraulic Fittings: A comprehensive selection of hydraulic fittings, such as hydraulic ferrules, hammer lug unions, API thread fittings, and standard fittings, is included.

Hydraulic Ferrule Selection: Ferrules are categorized for different applications, including standard fittings, interlock fittings, and waterblast fittings.

Hammer Lug Union: The FIG. 1502 hammer lug union is highlighted for its reliability and ease of use in cementing applications up to 10,000 psi.

API Thread Fittings: Designed for high-pressure applications, available in male API interlock configurations with extra-long hexagons.

Standard Fittings: Include BSPP male parallel, BSPP female cone with O-ring, BSPT male tapered, and JIC male cone types.

Conclusion: This document serves as a technical guide for selecting and specifying composite hose fittings and hydraulic fittings, providing essential data for various industrial applications.

Quick Release Couplings: Specifications for quick release couplings, including female and male couplings with both female and male threads, are outlined. The couplings conform to standards such as ISO 5675 and ISO 16028.

Recommendations: Specific couplings are suggested based on application requirements, such as pressure ratings and thread compatibility.

Key Data from Tables: Tables provide item codes, part numbers, dimensions, thread sizes, and pressure ratings for each coupling type.

Hose Protection:

Fire Protection Sleeve: Made from woven mineral fibre with a silicon coating, it protects hoses from extreme temperatures up to 1500°C intermittently.
Plastic Protective Flat Coil Sleeve: Used for bundling hose lines, with a temperature range of -20°C to +84°C.
MSHA Textile Sleeve: Protects against abrasion and high temperatures, with a range of -40°C to +150°C.

Drag Chains:

Steel Drag Chains: Designed for supporting cables and hoses, available in steel and stainless steel.
Double Chain for Offshore Drilling: Suitable for oil & gas applications, customizable with additional support systems for long strokes.
Rotative Drag Chain: Used in applications requiring hoses/cables to turn, with a diameter range from 1 to 30 meters.

Hose Floats: Used in marine activities, made from low-density ethylene vinyl acetate, offering high buoyancy and resistance to deformation.

Catalog excerpts

Projected towards continuous improvement and committed to meeting customer needs and expectations in an increasingly complex industrial environment, Alfagomma is serving the oil industry through its network of production sites, branches and assembly centres, spanning 5 continents. Alfagomma offers an extensive range of hoses, fittings and equipment for the on shore and off shore business. With cutting edge technology and state of the art R&D, a wide range of solutions are provided for Floating Roof Tank drain applications, Rig Supply, Dock, On Shore, Mooring and OCIMF Off Shore hoses. Together...

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SYMBOL Internal Diameter Conductive tube & cover Outside Diameter DNV approved Maximum Working Pressure Maximum Burst Pressure Minimum Bend Radius Vacuum MSHA approved

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4 Dimensions and data shown may be changed without prior notice

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Drilling ROTARY DRILLING & VIBRATOR According to API 7K Grade D and E Tube: Oil and drilling mud resistant synthetic rubber Reinforcement: Multiple layers of spiralled high tensile steel cords Cover: Abrasion, ozone and hydrocarbon resistant synthetic rubber Application: Rotary drilling, Vibrator, Motion Compensator Temperature: -20 °C +100 °C (-4 °F +212 °F) Length: 47,25 m (155 ft) max Note: Grade C (WP 4000 psi) available on demand 5 Dimensions and data shown may be changed without notice

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Oil Well Cementing OIL WELL CEMENTING According to API 7K Tube: Oil and drilling mud resistant synthetic rubber Reinforcement: Multiple layers of spiralled high tensile steel cables Cover: Abrasion, ozone and hydrocarbon resistant synthetic rubber Application: High pressure cement slurry transfer between pump manifold and cementing head Temperature: -20 °C +100 °C (-4 °F +212 °F) Length: 47,25 m (155 ft) max. Test Pressure Dash OIL WELL CEMENTING SUPERTUFF Tube: Oil and biodegradable hydraulic fluids resistant synthetic rubber Reinforcement: High tensile steel spirals Cover: Abrasion, ozone and...

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Blow Out Prevention BOP - FIRESAFE 5000 CHOKE & KILL API 16-C Fire Resistant Tube: Oil and drilling mud resistant synthetic rubber Reinforcement: Multiple layers of spiralled high tensile steel cables Cover: Stainless steel armor Application: Choke & kill in BOP systems. Designed for application with Sour Gas and H2S up to +121 °C (+250 °F) Temperature: -20 °C +120 °C (-4 °F +248 °F) Length: 47,25 m (155 ft) max Note: Stainless steel armor covered available on demand Test Pressure Dash 10 Dimensions and data shown may be changed without prior notice

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Oil Marine FLOATING AND SUBMARINE OCIMF HOSES According to ‘Offshore & Mooring hose guide, 4th edition, 1991’ Available in single or double carcass Submarine with or without floating collars Submarine with collars – one or two ends reinforced Half – floating Half floating – one or two ends reinforced Internal Nominal Diameter: 6”, 8”, 10”, 12”, 16”, 20”, 24” Working Pressure: 15 bar (225 psi) and 20 bar (300 psi) Operating pressure range: -0,85/15bar (-12/225 psi) and -0,85/20 bar (-12/300 psi) Bursting pressure: min 5:1 single carcass min 2:1 double carcass Flow: 21 m/s max. Fluid Temperature:...

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Oil Marine 643AA Crude oil flowline & riser 25 bar (375 psi) Stainless Steel version available on request 13 Dimensions and data shown may be changed without notice

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Fuel-oil S&D 10 bar (150 psi) EN 1765/S10 Tube: Black NBR Reinforcement: High tensile textile cords with embedded steel helix wire Cover: Black CR- abrasion, ozone, sea water and hydrocarbon resistant Use: Crude oil and liquid petroleum products suction and delivery to/from tankers and bunkering vessels. Max 55% aromatic content resistance. Electrically continuous (discontinuous on request) Also available: • 60EAA 100% aromatic content • 60FAA biofuel Safety factor: 4:1 Temperature: -20 °C +82 °C (-4 °F +180 °F) Stainless Steel version available on request Fuel-oil delivery 10 bar (150 psi) EN...

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Stainless Steel version available on request 60GAA Tube: Black NBR Reinforcement: High tensile textile cords with embedded steel helix wire Cover: Black CR- abrasion, ozone, sea water and hydrocarbon resistant Use: Crude oil and liquid petroleum products suction and delivery to/from tankers and bunkering vessels. Max 55% aromatic content resistance. Electrically continuous (discontinuous on request) Also available: • 60HAA 100% aromatic content • 60IAA biofuel Safety factor: 4:1 Temperature: -20 °C +82 °C (-4 °F +180 °F) Stainless Steel version available on request 64DAA Tube: Black NBR Reinforcement:...

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Fuel-oil S&D 15 bar (225 psi) EN 1765/S15 Tube: Black NBR Reinforcement: High tensile textile cords with embedded steel helix wire Cover: Black CR- abrasion, ozone, sea water and hydrocarbon resistant Use: Crude oil and liquid petroleum products suction and delivery to/from tankers and bunkering vessels. Max 55% aromatic content resistance. Version suitable for 100% aromatic content or biofuel available on request. Electrically continuous (discontinuous on request) Also available: • 60KAA 100% aromatic content Safety factor: 5:1 Temperature: -31 °C +43 °C (-24 °F +200 °F) Stainless Steel version...

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Acid-chemical S&D 14 bar (200 psi) - heavy duty PTFE BS 5842 arrêté ADR annexe 1 Inner wire: Galvanised steel Tube: Polyester film Cover: Grey PVC with longitudinal yellow stripe coated fabric Outer wire: Galvanized steel Use: Fuel and oil suction and delivery. Specially designed for long service life in heavy duty applications requiring resistance to high temperature Safety factor: 4:1 Temperature: -30 °C +80 °C (-22 °F +176 °F) Fuel-oil S&D 14 bar (200 psi) - heavy duty high temperature +100 °C (+212 °F) BS 3492/BX BS 5842 arrêté ADR annexe 1 19 Dimensions and data shown may be changed without...

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Rig Supply - Fuel & Liquid Mud 642AA Rig supply: for ease of identification, coloured over-ferrules available on demand. 22 Dimensions and data shown may be changed without prior notice

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All ALFAGOMMA catalogs and technical brochures

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