Expansion Joints

Rubber Expansion Joints- Abrupt Arch Design / Full Vacuum Applications

Style 204 Expansion Joints

Style 204 spool-type expansion joints are typically used in vacuum and pressure applications and can be constructed in single, multiple, or filled arch versions. They can connect pipe flanges in concentric or eccentric tapers in order to join piping of unequal diameters and connect misaligned piping.

Application

• Rigid piping systems
• Compensate for axial, lateral, torsional, and angular movement
• Compensate for misalignment

Style 204EVS Expansion Joint

For continuous full vacuum applications. Extreme Vacuum Service Rubber Expansion Joint. The Garlock Style 204EVS rubber expansion joint is designed for systems with the dual challenges of extreme vacuum and aggressive dynamics, such as condensate pump applications. The arch provides a full range of movement while the support rings reduce the risk of arch collapse.

Specifications

• Max Temperature: 82°C (180°F)
• Max Pressure: bar (psi) 3.8 (55)
• Available Sizes: 14in / 360 mm to 48in / 1200 mm

ABRA-LINE® Rubber Expansion Joint Style 404

Style 404 Expansion Joints are specially designed for full vacuum and pressure service in abrasive applications. The tube material is a proprietary urethane formulation. Style 404 can be constructed as a single, multiple, or filled arch design. It can connect pipe flanges in concentric or eccentric tapers to join piping of unequal diameters and connect misaligned piping.

Application

• Power Generation
• Chemical
• Fertilizer
• Mining

Specifications

• Min. Inner Diameter: 0.5 in / 15 mm
• Max. Inner Diameter: 120 in / 3000 mm
• Max. Temperature with ABRA-LINE tube: 82°C / (180°F)

GUARDIAN® 200

Specifically configured abrupt arch design for chemical applications in vacuum and pressure service. Garlock GUARDIAN® 200 expansion joints consist of a chemically-resistant Fluorinated Ethylene Propylene (FEP) liner mechanically bonded to an abrupt arch. A chlorobutyl cover and blue protectant coating add resistance to environmental effects. Alternate cover materials are available.

Specifications

• Min. Inner Diameter: 2 in / 50 mm

• Max. Inner Diameter: 30 in / 50 mm

• Max temperature rating is based on body and cover materials.  To determine, find the minimum temperature based on materials selected. For more information click here.

Wide Arch Design / General Service Applications

EZ-FLO® Style 206

Expansion joints for general service applications Style 206 EZ-FLO® expansion joints contain a single wide flowing arch, eliminating the need for filled arches on slurry services. Suitable for high pressure applications, their self-flushing design eliminates media buildup and reduces fluid turbulence. Style 206 EZ-FLO® can be designed to meet the requirements of ASTM F1123 and Navy/Coast Guard Specification 46CFR56.60-25(E).

Application

• Pulp and Paper
• Steel
• Water/Waste Water
• HVAC
• Power Generation
• Chemical
• Petrochemical
• Marine

Specifications

• Min. Inner Diameter: 1 in / 25 mm
• Max. Inner Diameter: 120 in / 3000 mm
• Max temperature rating is based on body and cover materials.  To determine, find the minimum temperature based on materials selected. For more information click here.

GARFLEX® 8100

GARFLEX® 8100 expansion joints feature rugged yet flexible nylon cord reinforcement in a molded spherical bellows design that ensures an exceptional burst pressure rating. The streamlined flowing arch design reduces turbulence and allows smooth, quiet flow-no need to fill the arch and restrict its movement.

GARFLEX® 8100 meets the requirements of ASTM F1123 and Navy/Coast Guard Specification 46CFR56.60-25(E).

Features

• Resists most hydrocarbons, oils, and gasoline
• Supplied silicone-free

Specifications

• Min. Temperature: -29°C -20°F
• Max. Temperature: 110°C (230°F)
• Max. Pressure: bar (psi) 16 (232)
• Max. Inner Diameter: 300 mm (12 in.)
• Vacuum Rate: 575 mm Hg (23in. Hg)

GUARDIAN® 306 EZ-FLO®

FEP Lined Spool-Type Expansion JointGarlock, GUARDIAN® 306 EZ-FLO® spool-type expansion joints feature a self-flushing arch with an FEP lining fused to the body. The GUARDIAN® 306 EZ-FLO® is designed for the chemical processing and pulp and paper industries, where its ability to resist corrosive attack at normal or elevated temperatures and pressures is unequaled.

Specifications

• Min. Inner Diameter: 3 in / 75 mm
• Max. Inner Diameter: 20 in / 500 mm
• Max temperature rating +300ºF, based on body and cover materials.  To determine, find the minimum temperature based on materials selected. For more information click here.

ABRA-LINE® Rubber Expansion Joint Style 406 EZ-FLO®

Expansion Joints to Eliminate Media Buildup and Turbulence in Abrasive ApplicationsStyle 406 EZ-FLO® expansion joints are constructed of a single, wide-flowing arch with a proprietary urethane tube intended for abrasive applications. Its self-flushing arch design eliminates media buildup, reduces turbulence, and need for filled arches on slurry surfaces.

Application

• Power Generation
• Chemical
• Fertilizer
• Mining

Specifications

• Min. Inner Diameter: 1 in / 25 mm
• Max. Inner Diameter: 120 in / 3000 mm
• Max. Temperature with ABRA-LINE tube: 180°F / 82°C

Flue Duct / Low Pressure Applications

Style 8400

Style 8400 flue ducts are available in round, rectangular, or square configurations; as belt type (without flanges) or U-type (flanged); with virtually no size restrictions. Garlock also provides on-site vulcanizations for flue ducts that require splicing into position, due to obstructions or interferences that prevent continuous construction installations.

Specifications

• Max. Temperature: 204°C (400°F)

Style 9394

Low Pressure Applications Rubber Expansion Joint. This multi-convoluted, lightweight expansion joint is designed for low pressure applications that require significant amounts of movement, axially and/or laterally. Its low spring rates make it ideal for air handling, load cell, bin activators, vibrating bins, silos, and pellet/dough hopper applications.

Application

• Air handling
• Load cell
• Bin activators
• Vibrating bins
• Silos
• Pellet/dough hoppers

Specifications

• Pressure
  • Without external reinforcing rings: up to 3 psi / 0.2 bar
  • With external reinforcing rings: up to 15 psi / 1.0 bar
• Vacuum
  • Without internal reinforcing rings: up to 3 in Hg / 75 mm Hg
  • With internal reinforcing rings: up to 15 in Hg / 381 mm Hg
  • Contact Garlock if higher vacuum or pressure ratings are required

ABRA-LINE® Rubber Expansion Joint Style 4394

Rubber Expansion Joints for Low Pressure Abrasive Applications. This multi-convoluted, lightweight expansion joint is designed for lower pressure applications that require significant amounts of movement, axially and/or laterally. Its low spring rates make it ideal for load cell, bin activator, vibrating bin, silo, and shaker boot applications.

Specifications

• Available in flanged or sleeve type design, up to 48-inch max (1,219 mm) ID (Contact Garlock for larger ID sizes)
• Max. Temperature with Urethane/Polyester: +180°F / +82°C
• Max. Pressure without external reinforcing rings: up to 3 psi / 0.2 bar
• Max. Pressure with external reinforcing rings: up to 15 psi / 1.0 bar
• Max. Vacuum without internal reinforcing rings: up to 3 inHg / 75 mmHg
• Max. Vacuum with internal reinforcing rings: up to 15 inHg / 381 mmHg

Specialty Designs

Style 207

Flexible U-Type rubber expansion joints. Style 207 is a U-type expansion joint constructed of specialty rubber and fabric. Available in round or rectangular configurations, it is used as a flexible connector between a turbine and condenser, or other similar applications, requiring internal flange connection.

Application

• For connections between a turbine and condenser, or other similar applications.

Specifications

• Temperature*: to +250°F / +120°C
• Pressure: to 29.9in Hg / 15 psig / 1.0 bar
• Available in round or rectangular configurations

Style 208

Flexible U-Type rubber expansion joints. Style 208 is a U-type expansion joint constructed of specialty rubber and fabric. Available in round or rectangular configurations, it is used as a flexible connector between a turbine and condenser, or other similar applications, requiring external flange connection.

Application

• For connections between a turbine and condenser, or other similar applications.

Specifications

• Temperature*: to +250°F / +120°C
• Pressure: to 29.9in Hg / 25 psig / 1.7 bar
• Available in round or rectangular configurations

Style 8420 Split™

Style 8420 Split™ is typically used in applications where small piping limits the use of flanged connections. An example of this includes vacuum pump inlets and outlets in pulp and paper applications. It is also used as a temporary repair for piping that has cracked. It can be provided in the split design or as a sleeved product. Adhesives kits are also available for easy installation.

Application

• All types of vacuum pumps
• Non-flanged piping
• Small, irregular openings
• Low-pressure and vacuum applications
• Vacuum pump inlets and outlets in pulp and paper applications
• Temporary repair for piping that has cracked

Specifications

• Pipe Openings: to 6in. / 150mm
• Clamps Required: 4
• Thickness - 2in / 50.8mm to 12in / 304.8mm ID: 0.25in / 6.4mm
• Thickness - 14in / 355.6mm) to 24in / 609.6mm ID: 0.375in / 9.5mm
• Max. Pressure: to 15psi / 1bar
• Max. Vacuum: to 14in. Hg / 356 mm Hg
• Max. Temperature (Std. Adhesive): 165°F / 74°C
• Max. Temperature (VITON® Adhesive): 400°F / 204°C
• Movement: Vibration only
• Max. Lateral Misalignment: 0.5in / 12.7mm
• Joint Width: 8in / 203.2mm to 12in / 304.8mm

Style 7250 FLEXO-MATIC®

Garlock 7250 FLEXO-MATIC® rubber connectors are composed of three basic elements: the tube, the body (carcass), and the cover. Designed to absorb noise and vibration in air-conditioning, heating, and industrial piping systems, Style 7250 FLEXO-MATIC® expansion joints accommodate a wide range of temperatures, pressures, and piping sizes.

Application

• Air conditioning
• Heating
• Industrial piping

Specifications

• Temperatures to 400°F / 204°C
• Pressures to 150psi
• Standard pipe sizes from 2in through 12in

Style 7706 S-Type

Style 7706 S-type has been developed specifically for submarine service. Other styles are available per application.

Style 214 / 215

For low-pressure chemical applications.