fmcswiveljoints

Swivel JointsOriginal Chiksan®

Steamlined bore minimizes flow restrictionsSmooth, round bore design minimizes turbulence and pressure drop, Longsweepand TripleStep swivel joints have extra-long radius elbows that optimize flow characteristics and extend life in the ball race areas when handling abrasives at extremely high pressures.

Bearings key to rotation, strengthTo assure long, dependable service, Chiksan dual and tri-race ball bearing swivels are designed to meet or exceed load capacities and service conditions.All ball races are either flame hardened, carburized and hardened, or have “snap-in” stainless steel ball races.

Proven packing designIndustry leading packing design integrates an anti-extrusion ring that serves as a retainer and bearing to reduce friction between the resilient packing material and the packing chamber as the joint is rotated.

Field repairableIf packing, bearings, or ball plugs should need replacing, easy-to-use field repair kits are available.

Chiksan swivel joints deliver significantly longer life, superior performance, and reduced maintenance. Designed for standards and sour gas services, these world proven fittings come in 3⁄8 to 12-inch sizes and can handle pressures from vacuum to 20,000 psi. Many different Chiksan assembly configurations are available. These styles can be combined in an unlimited variety of ways to suit practically any installation. Available end connections are threaded, integral Weco® wing union, beveled for welding, or flanged. Like all pressure containing products, Chiksan swivels require special handling

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18FMC Technologies, Inc.

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Advanced material selectionThe TripleStep swivel joint is manufactured from forged alloy steel with a closely controlled, proprietary chemical composition and heat treatment to ensure superior toughness, ductility, case depth, case hardness, and core strength.

TripleStep Swivel Joints

Exclusive design delivers longer life, lower costTripleStep swivel joints deliver the highest bending and axial load capacities in the industry. They also eliminate rejections from excessive wear in the ball race areas as well as swivel seizures due to corrosion and brinnelling of the ball races.

Unmatched erosion allowancePatented three step design coupled and bearing race geometry adds significant wall thickness under the male races and bearing load capacity without increasing swivel joint size or weight.

Instream packing for long seal lifeWorld proven instream packing technology provides unsurpassed sealability and reliability in the harshest oilfield conditions. An integral anti-extrusion ring serves as a retainer and bearing to reduce friction between the resilient packing material and the packing chamber as the joint is rotated.

Eliminates routine maintenanceAn improved environmental seal reduces the potential for corrosion in the ball race area. The integrity of the seal and the use of a high-performance grease during initial assembly virtually eliminates the need for periodic greasing.

Competitive Hype VS. Proof PositiveDesigned especially for abrasive, high pressure well servicing applications, TripleStep swivel joints have been proven against competitive swivels in customer-witnessed flow loop tests and field applications. The patented three step ball race design provides significantly greater erosion allowance without increasing swivel joint size or weight. The result: TripleStep swivel joints deliver increased life, superior performance, and reduced maintenance...lasting 1.7 to 5 times longer than competitive swivels.

Thicker Where it CountsCompetitive swivels wear out first in the ball races, meaning they must be disassembled for inspection. TripleStep swivels wear in the elbows, meaning they can be inspected and returned to service without disassembly. The TripleStep design places more material under the male ball race - a location that computational flow dynamics analysis and field testing shows to be a high erosion area.

59.0

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Competitive Swivels FMC Swivels

Accelerated Wear Test(40ft/sec. with 6 ppa 20/40northern sand)


Recommended serviceLong-radius elbows designed especially for high-pressure abrasive applications such as fracturing, choke-and-kill lines, cementing and circulating hoses, acidizing, and test lines

Low-Pressure Swivel Joints175 psi to 1,000 psi cold working pressure; 3/4 to 12-inch sizes.

Recommended serviceTransfer lines, temporary flow lines, discharge lines, auxiliary flow lines, water lines, and other general-service oilfield applications.

HP (High-Pressure) Swivel Joints6,000 psi cold working pressure; 3/8 to 4-inch sizes

Recommended serviceHydraulic control lines, mud lines, rotary line connections, BOP lines, test lines, offshore wellhead connections, cementing and circulating hoses, and choke-and-kill lines

See specifications tables (pg. 60 - 66) for sizes, dimensions, weights, materials, and part numbers.

TSi (TripleStep) Swivel Joints6,000 psi cold working pressure; 3 inch size.10,000 psi cold working pressure; 3 and 4-inch sizes.15,000 psi cold working pressure; 3 and 4 inch.20,000 psi cold working pressure; 3 inch size.

For Longsweep swivels and sizes or pressures not shown, consult factory


Controlled hardnessSwivel components are specially heat-treated and 100% tested for controlled hardness.

Positive identificationChiksan swivels for sour gas service are stamped “Sour Gas” and painted with an olive green, zinc-chromate primer to ensure quick, positive identification.

Leak detectionA leak detection port between the packing and O-ring seal signals the need for packing replacement.

Proven packing designElastomeric packing with stainless steel anti-extrusion ring and secondary O-ring seal are used to isolate the races and bearings from line fluid.

Snap-in ball racesSnap-in ball races provide hard bearing surface to deliver extra strength and high load-bearing capacity when handling sour gas.

Sour Gas ServiceFMC Technologies manufactures Chiksan sour gas swivel joints in accordance with the National Association of Corrosion Engineers (NACE) Standard MR-01-75 and the American Petroleum Institute’s (API) Standard RP-14-E. These swivel joints are specially heat-treated and inspected for controlled hardness. Because the specially heat-treated steel required for sour gas does not provide a hard enough bearing surface, Chiksan sour gas swivel joints use snap-in ball races for extra strength and high load-bearing capacity. Sour gas swivel joints come standard with integral Weco wing union end connections. They also have a leak-detection port between the packing and the O-ring seal. If leakage past the packing should occur, it is forced through the port, signaling the need for packing replacement. For positive identification, all Chiksan sour gas swivel joints are stamped “Sour Gas” or “NACE MR-01-75” using low-stress dot stamping and painted with an olive green, zinc-chromate primer tthat is unique to sour gas equipment.

Chiksan Sour Gas Swivel Joint

Chiksan Swivel Joints for Sour Gas Service:

High-Pressure Swivel Joints6,000 psi cold working pressure, 2 and 3-inch sizes; Weco Figure 602 wing union end connections

Longsweep Swivel Joints7,500 psi cold working pressure, 3-inch size; Weco Figure 1002 wing union end connections

10,000 psi could working pressure, 1,2,3 and 4-inch sizes; Weco Figure 1502 wing union end connections

15,000 psi cold working pressure, 2 and 3-inch sizes; Weco Figure 2202 wing union end connections


Chiksan Swivel Joint StylesChiksan swivel joints are available from stock in nine basic styles or configurations. These styles permit 360-degree rotation and movement in one, two, or three planes. They can be combined in an unlimited variety of ways to suit practically any installation. All Chiksan swivel joints are assembled using two or more standard pieces.

Although Chiksan swivel joints can be rotated while under fluid pressure, they are not recommended for service requiring continuous rotary motion. See inside back cover for additional Warnings and Cautions.

Style 20 Style 30 Style 40

Style 70Style 60Style 50

Style 80 Style 10 Style 100

See specifications tables (pg. 60 - 66) for sizes, dimensions, weights, materials, and part numbers. 23

FMC Technologies, Inc.

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