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Expansion Joints

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Eccentric Reducer Expansion Joints Series RE

The PROCO Series RE-221 Rubber Eccentric Reducer Expansion Joint, often called a “Taper”, serves as a reducing element to transition from one pipe size to another. Eccentric in design, the rubber expansion joint body tapers on one side transitioning two different flange sizes. Eccentric Reducer Expansion Joints are often located on the suction side of a pump to reduce cavitation. The PROCO Rubber Eccentric Reducer is engineered to replace metallic or rubber-lined reducers used to provide unequal diameter connections of: piping and/or operating equipment applications such as: Pumps, Chillers, Cooling Towers, Compressors, Blowers, Fans, Absorption Machines, etc. Installed next to mechanical equipment or between the anchor points of a piping system, specify the PROCO Series RE-221 to: (1) Absorb Pipe Movement/Stress, (2) Reduce System Noise, (3) Isolate Mechanical Vibration, (4) Compensate Alignment/Offset, (5) Eliminate Electrolysis, (6) Protect Against Start-up/Surge Forces. The PROCO Series RE-221 is engineered for tough, demanding, industrial and commercial applications, as found in: Air Conditioning-Heating and Ventilating Systems, Chemical-Petrochemical and Industrial Process Piping Systems, Power Generating Plants, Steel Mills, Marine Services, Pulp/Paper Systems, Water-Wastewater- Sewage and Pollution Control Systems, where metallic reducers used in conjunction with metal hose or expansion joints may have been previously used or specified. Our history in manufacture of expansion joint products dates back to 1930. PROCO Products is a member of the Rubber Expansion Joint Division, Fluid Sealing Association. When a rubber expansion joint is needed to solve a piping system problem, call PROCO. Traditional design when using a metallic reducer incorporates the use of a flexible element such as an expansion joint or metal hose to absorb the vibrations and movements of the system. The PROCO Series RE-221 Reducer combines the basic shape and dimensions of the metal reducer and the movement-sound reduction vibration-absorbing features of a flexible element into one unit. Here are some of the many advantages:
Less System Installation Space:
The PROCO RE-221 replaces a metal reducer and a flexible element. Thus less space is required and valves of other equipment can be more conveniently located.
Less Installation Cost:
The PROCO RE-221 costs less then the metal reducer and flexible element that are replaced. Additionally, standard joints (as listed in Table 1 and the “stock” section in Table 2) can be shipped same day as order placement.
Engineered For Your Application: The PROCO Eccentric Reducer materials consist of rubber and fabric which are formed and cured in a heated compression mold using an exclusive high-pressure press. The thick outer-cover and interior-tube are of an elastomer especially compounded to satisfy the Chemical-Temperature requirement of your application. Available styles include:
Style RE-221:
Features one Open Arch for maximum movement, and good noise-vibration control. Our most popular style. (See Figure 1)
Style-REFA-221:
Features one Filled Arch, is generally specified for slurry or abrasive services. Provides noise and vibration control but less movement than Style RE-221. (See Figure 2)
Absorbs Pipe-Wall And Fluid-Borne Noise. The PROCO quiet-operating Series RE-221 is a replacement for “sound transmitting” metallic reducers. Pipe-Wall sound loses energy and is absorbed as the noise carried by the piping enters and exits the rubber section. Fluid-borne noise is absorbed by the volumetric expansion (breathing) of the connector. This action cushions water hammer, and smooths out pumping impulses.
Isolates Vibrations And Motion. Vibration originating from mechanical equipment is absorbed by the PROCO Series RE-221. Rubber connectors should be installed right after and ahead of the equipment generating the vibration, thus isolating the equipment. Most machinery vibrates in a radial direction from the main shaft. For optimum performance the PROCO connector should be installed horizontally and parallel to this shaft. Vertical and perpendicular installations are also acceptable as the PROCO Reducer will accept both axial and lateral movements and vibration. Installations of the Series RE-221 in a system enables isolated equipment to move freely on its vibration mountings. Note: For maximum vibration transmission reduction, the piping section beyond the rubber connector must be anchored or sufficiently rigid.
Chemical Or Abrasive Service Capability At Minimal Cost. Expensive, exotic metal or rubber lined reducers for chemical service can be replaced with the PROCO Rubber Reducer. Fabricated with low-cost chemical resistant elastomers such as: Chlorobutyl, EPDM, Hypalon, Neoprene and Nitrile; insures a rubber connector compatible with the fluid being pumped or piped. (See Table 1) Our Neoprene, Natural/Gum and filled arch products should be specified when handling abrasive slurries. Use the PROCO “Chemical to Elastomer Guide” to specify an elastomer for your requirement.
Reduces System Stress And Strain/Compensate For Misalignment. Rigid attachment of piping to critical or mechanical equipment can produce excessive loading. Thermal or mechanically created strain-stress-shock are cushioned and absorbed with the installation of a flexible low “force-to-deflect” PROCO Rubber Reducer. The PROCO Style RE- 221 adds a flexible component that is automatically self-correcting for misalignment created by structural movements caused by setting, expansion or ground shifts.
Flange And Retaining Ring Drilling. All PROCO rings are coated to prevent corrosion and dimensionally drilled to ANSI 125/150# standards. In accordance with ANSI, all bolt hole pairs are “straddle” the center line. Hole drilling on center line, other drilling standards or materials such as: 304 or 316 Stainless and Bronze are available on special order.
Less Turbulence Or Material Entrapment. The molded integral flange of the PROCO Rubber Reducer joins the body at a true 90 degree angle. Our product will install snug against the mating pipe flange without voids. Because this flange-body angle is difficult to form, many competitors severely radius this edge angle. The resulting void can create flow turbulence, allow for material entrapment and/or bacteria growth. Avoid these problems by specifying PROCO. Exclusive Sealing Bead Means A Quick Seal. We have built an “O-Ring” on each flange-face of the Series RE-221. Available only from PROCO, our product seals faster with less torque at installation and less long-term maintenance. For exclusive design features, specify PROCO. High Pressure With Full Safety Factors. We have assigned conservative pressure ratings to the Series RE-221. However, the ratings meet or exceed the requirements of the Rubber Expansion Joint Division, Fluid Sealing Association, for Series A, B, and C. More importantly, our conservative ratings are fully tested and based on a minimum four-toone safety factor. With competitive products the safety factor is often calculated or unknown. For pressure protection, specify PROCO.

Concentric Reducer Expansion Joints Series RC

The PROCO Series RE-221 Rubber Eccentric Reducer Expansion Joint, often called a “Taper”, serves as a reducing element to transition from one pipe size to another. Eccentric in design, the rubber expansion joint body tapers on one side transitioning two different flange sizes. Eccentric Reducer Expansion Joints are often located on the suction side of a pump to reduce cavitation. The PROCO Rubber Eccentric Reducer is engineered to replace metallic or rubber-lined reducers used to provide unequal diameter connections of: piping and/or operating equipment applications such as: Pumps, Chillers, Cooling Towers, Compressors, Blowers, Fans, Absorption Machines, etc. Installed next to mechanical equipment or between the anchor points of a piping system, specify the PROCO Series RE-221 to: (1) Absorb Pipe Movement/Stress, (2) Reduce System Noise, (3) Isolate Mechanical Vibration, (4) Compensate Alignment/Offset, (5) Eliminate Electrolysis, (6) Protect Against Start-up/Surge Forces. The PROCO Series RE-221 is engineered for tough, demanding, industrial and commercial applications, as found in: Air Conditioning-Heating and Ventilating Systems, Chemical-Petrochemical and Industrial Process Piping Systems, Power Generating Plants, Steel Mills, Marine Services, Pulp/Paper Systems, Water-Wastewater- Sewage and Pollution Control Systems, where metallic reducers used in conjunction with metal hose or expansion joints may have been previously used or specified. Our history in manufacture of expansion joint products dates back to 1930. PROCO Products is a member of the Rubber Expansion Joint Division, Fluid Sealing Association. When a rubber expansion joint is needed to solve a piping system problem, call PROCO. Traditional design when using a metallic reducer incorporates the use of a flexible element such as an expansion joint or metal hose to absorb the vibrations and movements of the system. The PROCO Series RE-221 Reducer combines the basic shape and dimensions of the metal reducer and the movement-sound reduction vibration-absorbing features of a flexible element into one unit. Here are some of the many advantages:
• Less System Installation Space: The PROCO RE-221 replaces a metal reducer and a flexible element. Thus less space is required and valves of other equipment can be more conveniently located.
• Less Installation Cost: The PROCO RE-221 costs less then the metal reducer and flexible element that are replaced. Additionally, standard joints (as listed in Table 1 and the “stock” section in Table 2) can be shipped same day as order placement. Engineered For Your Application: The PROCO Eccentric Reducer materials consist of rubber and fabric which are formed and cured in a heated compression mold using an exclusive high-pressure press. The thick outer-cover and interior-tube are of an elastomer especially compounded to satisfy the Chemical-Temperature requirement of your application. Available styles include:
• Style RE-221: Features one Open Arch for maximum movement, and good noise-vibration control. Our most popular style. (See Figure 1)
• Style-REFA-221: Features one Filled Arch, is generally specified for slurry or abrasive services. Provides noise and vibration control but less movement than Style RE-221. (See Figure 2) Absorbs Pipe-Wall And Fluid-Borne Noise. The PROCO quiet-operating Series RE-221 is a replacement for “sound transmitting” metallic reducers. Pipe-Wall sound loses energy and is absorbed as the noise carried by the piping enters and exits the rubber section. Fluid-borne noise is absorbed by the volumetric expansion (breathing) of the connector. This action cushions water hammer, and smooths out pumping impulses. Isolates Vibrations And Motion. Vibration originating from mechanical equipment is absorbed by the PROCO Series RE-221. Rubber connectors should be installed right after and ahead of the equipment generating the vibration, thus isolating the equipment. Most machinery vibrates in a radial direction from the main shaft. For optimum performance the PROCO connector should be installed horizontally and parallel to this shaft. Vertical and perpendicular installations are also acceptable as the PROCO Reducer will accept both axial and lateral movements and vibration. Installations of the Series RE-221 in a system enables isolated equipment to move freely on its vibration mountings. Note: For maximum vibration transmission reduction, the piping section beyond the rubber connector must be anchored or sufficiently rigid. Chemical Or Abrasive Service Capability At Minimal Cost. Expensive, exotic metal or rubber lined reducers for chemical service can be replaced with the PROCO Rubber Reducer. Fabricated with low-cost chemical resistant elastomers such as: Chlorobutyl, EPDM, Hypalon, Neoprene and Nitrile; insures a rubber connector compatible with the fluid being pumped or piped. (See Table 1) Our Neoprene, Natural/Gum and filled arch products should be specified when handling abrasive slurries. Use the PROCO “Chemical to Elastomer Guide” to specify an elastomer for your requirement. Reduces System Stress And Strain/Compensate For Misalignment. Rigid attachment of piping to critical or mechanical equipment can produce excessive loading. Thermal or mechanically created strain-stress-shock are cushioned and absorbed with the installation of a flexible low “force-to-deflect” PROCO Rubber Reducer. The PROCO Style RE- 221 adds a flexible component that is automatically self-correcting for misalignment created by structural movements caused by setting, expansion or ground shifts. Flange And Retaining Ring Drilling. All PROCO rings are coated to prevent corrosion and dimensionally drilled to ANSI 125/150# standards. In accordance with ANSI, all bolt hole pairs are “straddle” the center line. Hole drilling on center line, other drilling standards or materials such as: 304 or 316 Stainless and Bronze are available on special order. Less Turbulence Or Material Entrapment. The molded integral flange of the PROCO Rubber Reducer joins the body at a true 90 degree angle. Our product will install snug against the mating pipe flange without voids. Because this flange-body angle is difficult to form, many competitors severely radius this edge angle. The resulting void can create flow turbulence, allow for material entrapment and/or bacteria growth. Avoid these problems by specifying PROCO. Exclusive Sealing Bead Means A Quick Seal. We have built an “O-Ring” on each flange-face of the Series RE-221. Available only from PROCO, our product seals faster with less torque at installation and less long-term maintenance. For exclusive design features, specify PROCO. High Pressure With Full Safety Factors. We have assigned conservative pressure ratings to the Series RE-221. However, the ratings meet or exceed the requirements of the Rubber Expansion Joint Division, Fluid Sealing Association, for Series A, B, and C. More importantly, our conservative ratings are fully tested and based on a minimum four-toone safety factor. With competitive products the safety factor is often calculated or unknown. For pressure protection, specify PROCO.

Goodyear Rubber Products

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Band-it Tools | Band-it Ultra-lok Clamps | Bauer Style Hose Couplings| Best Gloves | Bio Diesel Hose | Blackhawk-Belts | Black Rubber Marine Dock\r\nFenders / Bumpers | Blucor Hose
Bradford Sanitary Pumps | Braided Metal Hose | BrakeQuip Brake and \r\nClutch Hose Assemblies | Brewline Hose | Cam and Groove Kamlok\r\nHose Couplings | Camlock | Chemical Hose
Clear Vinyl and Braided Tubing | Clipper Belt Lacing | ContiTech Frontier Hoses | Con Ag Hose | Concrete Hose | Conveyor Belts | Crews Protective Eyewear | Cool Clip AC Hose Fittings
Curb Pump Hose | DEF Dispensing Hose | Distillery Hose | Dixon Bayco Tank Truck Fittings | Dixon Boss Couplings | Dixon Powhattan Fire\r\nProtection Products | Dock Fenders
Duct Hose | Elatech Polyurethane Belts | EN1765 Hose | Expansion Joints | Extremeflex Hose | EZ Form Hose | Falcon Belts | Fire Hose | Fire Hose Nozzles | Flexaust
Flexaust Ducting Hose | Flexdock Hose Flexco Belt Fasteners | Flexitallic Spiralwound Gaskets | Flexsteel Hoses | Flextra Hoses | Flexwing Hoses | Floating Transfer Hose | Food Hose
Fractional Horsepower Belts FHP | Futura Hose | Fuel Oil Hose | Galaxy Hose | Gas Hose | Gasket | Goodyear Allcrete Hoses | Goodyear Artrac Hoses | Goodyear Arvac Hoses
Goodyear BC Marina Petroleum\r\nDispensing Hose | Goodyear Black Flexwing Hose Goodyear Black Softwall Dry\r\nMaterial Hose | Goodyear Blucor Hoses| Goodyear Brewline Hoses
Goodyear Conquest Belt| Goodyear Conveyor Belting | Goodyear Cool Clip AC Hose Fittings | Goodyear Eagle PD belts | Goodyear Fabchem Hose | Goodyear Falcon PD belts
Goodyear Flexdock Oil Suction\r\nand Discharge Dock Hose | Goodyear Flexsteel Hoses | Goodyear Flexsteel Steam Hose | Goodyear Fortress Food\r\nWashdown Hose
Goodyear Fortress Hoses| Goodyear Galaxy AC Hose Goodyear Gauntlet Hoses | Goodyear Gorilla Hose | Goodyear Gray Flextra Hose | Goodyear Horizon Hose
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Goodyear Paladin Hoses | Goodyear Paladin Petroleum\r\nTransfer Hose | Goodyear Plicord Torridair\r\nHot Air Blower Hose | Goodyear Plylon and Plylon\r\nPlus belt | Goodyear Poly-V belts
Goodyear Redwing Fuel Oil Hose | Goodyear Solar Shield Belt | Goodyear Spiraflex Hoses | Goodyear Spiraflex PVC hose | Goodyear Super Torque Belts | Goodyear Tan Flextra Hose
Goodyear Torridair Hoses | Gorilla Hoses | Grease Whip | Habasit Belt | Hardwall Hose | Hawk Belts | High Temperature Fabrics | Hose Master Metal Expansion\r\nJoints | Hose Carts
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Instagrip Hose | Insta Lock Hose Couplings| Joint Sealant| Kanaflex Hose| Kuriyama Hose| Legris Transair Aluminum Pipe \r\nSystems | Lined Clamps | Live Swivels | Loading Arms
LPG UL 21 Delivery Hose | Marina Fuel Hose | Marina Pump Hose | Marine Exhaust Hose | Marine Hose | Marine Steering Hose | Metal Expansion Joints | Metal Hose | MCR Memphis Gloves
Micro Clamps | Microban Hoses | Mill Hose | Neptune Hose | Noshok Pressure Gauges | Nylon Tubing | Oetiker Pinch on Hose Clamps | Oil Absorbent Pads| Oil Hose| Onguard Boots
Pacific Echo Spiralite Hose | Paladin Drop Hose | Parker Brass, Composite and \r\nThermoplastic Fittings and Valves | Parker Dura-flex twin line non\r\nconductive hose | Parker Hose
Parker Hydraulic Hose and Fittings | Parker Instrumentation Fittings | Parker Liquifit | Parker Marine Steering and\r\nPower Tilt Hose | Parker Metric Fittings and Adapters
Parker Page PTFE Hose and Tubing | Parker Parflex Hose and Fittings | Parker Quick Disconnect Couplings | Parker Titan Petroleum Dock Hose | Pathfinder Belts | Parker Tube Fittings
Petroleum Hose | Piranha Sewer Cleaning Hose | Piranha Sewer Cleaning Hose | Plicord Hoses | Plylon Plus Belts | Polypropylene Tubing | Potable Water Hose | Power Transmission Belts
Power Transmission Sprockets | PVC Conveyor Belting | Pressure Gauges | PTFE Hose | Purple Snake | PVC Hose | Pyroflex Hose | Reclaimed Water Hose | Redwing Hose
Refrigerant Hose | River City Protective Clothing | RM Holz Flue Duct Expansion Joints | Roughtop Conveyor Belting | Rubber Floor Matting | Rubber Piping Expansion Joints
Sanitary Hose and Fittings | Sepco Braided Compression Packings | Sepco Mechanical Seals for pumps\r\nand rotating equipment | Sewer Hose | Sheet Rubber | SilentSync Belts
Silica High Temperature Cloth | Silicone Rubber Sheet | Silicone Hose | Smart Seal Clamps | Snaptite Fire Hose | Spiraflex Hose | Spectra Poseidon Hose | Stainless Clamps | Steel Air Hose
Super Swivel| Super Torque Belts | Survivor Hose Compound | Syncrochain Belts | T-Bolt Clamps | Teflon Hose | Tetraglas Welding Cloth | Thermoseal Klinger C-4401 Gasket Sheet
Tift Willcox Marine Master Composite Hose | Tri Clover Sanitary Hose Couplings | Titan Hose | Tridon Clamps | Twin Hammer Hose | Urethane Hose | Urethane Tubing | Vacuum Gauge
Vapor Recovery Hose | V Belts | Velocity Water Hose | Versafuel | Versiflo Hoses | Vintner | Vintner Reserve | Viton Sheet | Webstone Ball Valves | Wave Seal Clamps | Wine Hose
Wormgear Clamps