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Specialty Products

With our engineering partners we design, manufacture and supply the following specialty products and services:

Specialty Flanges

Specialty Flanges

In addition to the standard range of ANSI/ASME flanges, AFF can tailor the following to your specifications: Anchor/Hanger Flanges Misalignment Flanges Compact Flanges Swivel Flanges Bulkhead Flanges G-Lok® Clamp Connectors
GC-Compact® Flanges

GC-Compact® Flanges

The G-C Compact Flange System® offer the following advantages over standard flanges: Easy Assembly Compact Construction Reduced Weight Metal to metal sealing technology – re-usable Flexibility – seal rings, standard gasket etc. Full Design approval Cost saving Ability to with stand severe operating loads Smooth bore offers erosion reistance Face to face make up offers...
G-Lok® Clamp Connectors

G-Lok® Clamp Connectors

  The G-Lok® Clamp Connectors offer: Easy Assembly Compact Construction Reduced Weight Metal to metal sealing technology – re-usable Flexibility Full Design approval The G-Lok® products have an extensive installed base throughout the world. The G-LOK® Clamp Connector is a fully proven alternative to the conventional flanged connection used in flowlines and pipelines throughout the...
G-Blok® Valves

G-Blok® Valves

The Galperti Engineering G-BLOK® range of valves include speciality ranges such as Compact Modular Valves Double Block & Bleed valves (API 6D – API 600) Subsea & Trunnion Mounted Ball Valves (API 6D – API 6A) The G-BLOK® range includes standardized and special valve flow control products for use in instrumentation lines and flowlines in...
Special Forged Products

Special Forged Products

Forgings may be produced from any specified grade of steel, which is either stocked or sourced by AFF or supplied free issue from our customers. AFF are familiar with the following standards: ASTM, BS and ASME Steel grades, plus specialist grades for Aerospace, Power Generation, Defence, Naval, and Oil & Gas, including Norsok standards. Due...
G-Tech® Slewing Bearings

G-Tech® Slewing Bearings

Galperti Tech manufactures excellence in large diameter slew bearings, using state of the art development, design manufacturing, and testing methods that maximize the experience of our senior technicians.Their knowledge of calculation methods enhance CAD/CAM design tools and FEA analysis programs. A fully integrated server based computerized system allows manufacturing control of all manufacturing phases, supply...
Weld Overlay

Weld Overlay

With Galperti Welding we have the ability to apply cladding on various products (500 – 3.000 kgs) in grades such as F309, F316, Inconel 625, Incoloy 825, Hastelloy C276 or any other material. We can make use of a wide range of approved welding procedures and qualifications or generate project specific procedures if required. Due...
G-Blok® – Compact Modular Valves

G-Blok® – Compact Modular Valves

G-Blok® TF and TT Modular Top Entry Construction valves and SF – ST Side Entry valves replace conventional bulky assemblies with their numerous leak paths with valves built on a modular principle offering reduced weight and space and less potential for leaking. The Galperti Engineering SF and ST Modular valves, with their Side Entry Construction,...
G-Blok® – Trunnion-Mounted Ball Valves

G-Blok® – Trunnion-Mounted Ball Valves

The term “trunnion-mounted” describes a ball valve design where the ball is fixed in the plane of the axis of rotation and where the seats are free to move laterally towards the ball sealing surface to effect a leak tight seal. The movement of the seats is by a combination of flow forces, of pressure...
G-Blok® – Double Block & Bleed Valves

G-Blok® – Double Block & Bleed Valves

Double Block and Bleed valves have evolved to replace the process of bolting together individual valves to provide dual isolation. This assembly provides great savings in weight, space and installation times especially in instrument or instrument cage isolation. These savings can be as much as 60% in weight and studies have shown that a 70%...
G-Blok® –Fully Welded Body Subsea Design Trunnion-Mounted Ball Valves

G-Blok® –Fully Welded Body Subsea Design Trunnion-Mounted Ball Valves

The Galperti Subsea Design standard is a side-entry, bolted bonnet, trunnion-mounted, metal-seated design, suitable for subsea installation. The Top Entry and Fully Welded designs are also available with features suitable for subsea service. The valve is designed for deepwater subsea installation and operation. All valve components, including gaskets are selected for specific service conditions. All...
G-Blok® –Side Entry Body and Closure Trunnion-Mounted Ball Valves

G-Blok® –Side Entry Body and Closure Trunnion-Mounted Ball Valves

The body is made of three forged parts and the bolted construction allows ease of disassembly on the job site in the event repairs or maintenance is needed. The bolts threads are as per ISO metric or ANSI imperial, depending on client specification. The tightening of the bolts is made by hydraulic tools with a...
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