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SERIES 440 molded PTFE expansion joints The PROCO Series 440 PTFE Molded Expansion Joints are used for corrosive applicationsReduces System Stress and Strain. Rigid attachment of piping to critical or mechanical equip- found in: Chemical-Petrochemical, Industrial Process Piping Systems, Power Generationment can produce excessive loading. Thermal or mechanically created strain-stress-shock are Plants, Pulp/Paper Plants, Water-Wastewater Sewage and Pollution Control Systems wherecushioned and absorbed with the installation of a flexible, low spring rate, PROCO Series 440 metallic joints/lap joints or PTFE & FEP-lined rubber expansion joints may have been pre-PTFE expansion joint. The PROCO Series 440 PTFE expansion joint adds a flexible component viously used or specified. Specify PROCO Series 440 expansion joints for installation be-to the system that automatically self-corrects for misalignment created by structural move- tween anchor points or next to mechanical equipment such as: Absorption Machines, Blow-ments caused by settling, pipe expansion or ground shifts. ers, Chillers, Fans, Graphite Heat Exchangers, Glass Lined Vessels, Pumps, and Exotic Tested Force Pound and Spring Rate Tables. At PROCO we have machine tested nearly every Alloy/Plastic/Glass Lined Piping Systems. The Series 440 expansion joints are designed to: size of the Series 440 PTFE expansion joints for Axial and Lateral Spring Rates and have pro- (1) Absorb Pipe Movements/Stress, (2) Reduce System Noise, (3) Reduce Mechanical Vi- vided Thrust/Force factors so designers can properly design system restraints. It should be bration, (4) Compensate Alignment/Offset, (5) Eliminate Electrolysis, (6) Protect against noted that the PROCO Series 440 PTFE expansion joints are in accordance with theperformance Start-up/Surge Forces. Our history in the manufacture of expansion joint products dates characteristics of the Fluid Sealing Association's Non-Metallic Expansion Joint Division. back to 1930. When an engineered solution is neededto solve a piping problem, call PROCO. Superior "Flex Life" and Strength. The PROCO Series 440 PTFE expansion joints are contour Engineered For Your Application. The PROCO Series 440 PTFE expansion joints are available molded from extruded tubing providing superior "Flex Life" and Strength. Utilizing TEFLON� in 2, 3, and 5 convolutions. Each convolution profile offers different overall lengths (face-to- T-62 resins from DuPont, the PROCO Series 440 PTFE expansion joints provide dramatically face dimensions), movements and pressure/temperature rating to fit the required specifica- more cycle life than that of PFA or FEP. tion. Available styles include: Flange and Limit Bolts/Cables. All PROCO Series 440 PTFE expansion joint flange configura- � Style 442-BD: Features two convolutions for minimal movements, higher pressure/tem- tions are coated with a rust inhibitive primer to prevent corrosion and are dimensionally tapped perature ratings and short face-to-face opening requirements.Style 442-BD sizes range from to ANSI 125/150# Standards. Hole drilling on center line, other drilling standards, or other 1" to 24" diameter. (See Table 1) flange materials, such as 316 stainless, 304 stainless, or Epoxy Coated flanges are available on � Style 442-E: Features two convolutions, and is engineered with T-band compression lim-special order. In addition, all PROCO Series 440 PTFE expansion joints are supplied with fac- iters, limit cables (meets MIL-W-8342), and face-to-face lengths to be an exact equal totory set limit bolts or cables to prevent over-extension during operation. other more expensive, competitor models. Style 442-E sizes range from 1" to 12" diameter. Chemical Service Capability at Minimal Cost. Expensive, exotic metal, PTFE or FEP lined (See Table 2) rubber expansion joints for severe chemical service can be replaced with the low cost PROCO � Style 443-BD: Features three convolutions and is designed for moderate movement and Series 440 PTFE expansion joints. The PTFE bellows are van stoned to the flanges which al- ease of system installation. Style 443-BD sizes range from 1" to 24" diameter. (See Table 3) lows all wetted surfaces to come in contact with only the PTFE material. Specify the PROCO � Style 443-E:Features three convolutions,and is engineeredwithT-band compression limiters,Series 440 PTFE expansion joints where high temperatures coupled with lower pressures or limit cables (meets MIL-W-8342), and face-to-face lengths to be an exact equal to other morelower temperatures coupled with higher pressures are proposed. The PROCO Series 440 PTFE expensive, competitor models. Style 443-E sizes range from 1" to 8" diameter. (See Table 4)offers the lowest cost expansion joint that is impervious to chemical attack. Use the PROCO � Style 445-BD: Features five convolutions, and is designed for maximum movements, low"Chemical to Elastomer Guide" for reference on chemical compatibility. pressure/temperature ranges, vibrationreduction and greaterface-to-face lengths. Style 445- Services and Locations. PROCO Series 440 PTFE Expansion Joints have been supplied and BD sizes range from 1" to 20" diameter. (See Table 5) successfully used by a range of customers worldwide in the process industries for use in � Style 445-E: Features five convolutions, and is engineered with T-band compression limiters,both organic and inorganic chemical processing and production, including such demanding limit cables (meets MIL-W-8342), and face-to-face lengths to be an exact equal to other moreapplications as agrochemical and pharmaceutical chemical production, acid processing and expensive, competitor models. Style 445-E sizes range from 1" to 6" diameter. (See Table 6)food manufacture. � Style 440-BE: Features Styles' 440-E Neutral Lengths with Styles' 440-BD Limit Bolts. Information � Ordering � Pricing �Delivery. Day or night, weekendsand holidays...the PROCO (See Table 7) phones are monitored 24 hours around the clock. When you have a question, you can call us. Absorbs Pipe-Wall and Fluid-Borne Noise. The quiet operating PROCO Series 440 PTFE ex- pansion joints are a replacement for "sound transmitting" metallic/lap joints. Pipe Wall sound loses energy and is absorbed as the noise carried by the piping enters and exits the PTFE section. Fluid-borne noise is absorbed by the volumetric expansion (breathing of the connec- tor). This action cushions water hammer and smoothes out pumping impulses. Isolates Vibration and Motion. PROCO Series 440 PTFE expansion joints should be installed immediately after and ahead of equipment generating vibration in order to isolate the rotat- ing/vibrating equipment from the rest of the piping system. For optimum performance, the PROCO Series 440 PTFE expansion joints should be installed horizontally to the shaft. Verti- cal and perpendicular installations are also acceptable as these expansion joints will accept axial, lateral and angular movements as well as vibration. Note: For maximum vibration trans- mission reduction, the pipe section beyond the PTFE expansion joints must be anchored or sufficiently rigid. Protecting Piping And Equipment Systems From Stress/Motion � PROCO PRODUCTS, INC. Rev. 1 4/05
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