DOWNLOAD BROCHURE

Proco Style 445-BD

The Proco Style 445-BD Molded Expansion Joints can be used for corrosive applications that are found in industries such as chemical-petrochemical, industrial process piping systems, power generation plants, pulp/paper plants, water and wastewater sewage, and pollution control systems. Wherever metallic joints, lap joints, or PTFE and FEP-lined rubber expansion joints were previously used, the Proco Style 445-BD can also be used.

Some notable features of the Proco Style 445-BD include:

  • Absorption of pipe-wall and fluid-borne noise
  • Reduction of system stress and strain
  • Isolation of mechanical vibration and motion
  • Superior “Flex Life” and strength
  • Tested force pound and spring rate tables
  • Coated flanges and factory set limit bolts
  • Chemical service capability at minimal cost
  • Elimination of electrolysis
  • Protection against start up and surge forces

For more information about the features and benefits of the Proco Style 445-BD, download our brochure.

For up-to-date pricing and availability information, contact PROCO today.

Nominal Size I.D. Neutral Length Inches Movement Capabilities Based on three Convolution Design¹ Spring Rate Capability² Expansion Joint Flange Drilling Pressure at Temperature (PSIG) @ °F Vacuum Rating ³ Weight/ LBS
±Axial(Δx) Movement Lateral(Δy) Deflection Angular Deflection Compression Spring Rate Extension Spring Rate Lateral Spring Rate Thrust Factor # Holes Thread Hole Size Bolt Circle Flange “A” PTFE Flare O.D. “B” Flange Thickness Nominal Flange O.D. Limit Bolt Diameter Bolt Circle Limit Bolt “C” Limit Bolt “EAR” O.D.
IN IN DEG. LBf/IN LBf/IN LBf/IN 70° 100° 150° 200° 250° 300° 350° 400 Hg at Temp.
1.00 3.000 0.500 .500 20 30 44 22 2.81 4 1/2 – 13 3.125 2.000 .313 4.250 .250 5.125 6.000 72 61 46 40 34 29 27 24 Not Designed for Vacuum Service 2
1.25 2.670 0.394 .470 20 36 114 171 2.25 4 1/2 – 13 3.500 2.520 .394 4.630 .250 5.196 6.850 62 56 42 36 30 26 22 22 5
1.50 3.500 0.750 .500 20 75 83 46 5.09 4 1/2 – 13 3.875 2.875 .344 5.000 .250 5.875 6.750 72 61 46 40 34 29 27 24 5
2.00 4.000 1.000 .500 20 60 47 50 9.11 4 5/8- 11 4.750 3.625 .438 6.000 .375 6.875 8.125 72 61 46 40 34 29 27 24 9
2.50 4.600 0.980 .510 20 116 319 285 10.08 4 5/8- 11 5.500 4.125 .500 7.000 .375 8.125 9.375 62 56 42 36 30 26 22 22 11
3.00 5.000 1.000 .500 20 55 60 170 16.91 4 5/8- 11 6.000 5.000 .500 7.500 .375 8.750 10.000 72 61 46 40 34 29 27 24 14
4.00 5.250 1.250 .625 20 72 60 80 25.40 8 5/8- 11 7.500 6.188 .625 9.000 .375 9.875 11.125 72 61 46 40 34 29 27 24 20
5.00 6.000 1.250 .625 20 140 388 400 32.33 8 3/4- 10 8.500 7.313 .750 10.000 .500 11.500 13.000 62 56 42 36 30 26 22 22 26
6.00 6.000 1.250 .625 20 190 130 195 50.24 8 3/4- 10 9.500 8.500 .750 11.000 .500 12.500 14.000 72 61 46 40 34 29 27 24 31
8.00 8.000 1.250 .625 20 304 388 457 76.07 8 3/4- 10 11.750 10.625 .938 13.500 .500 14.750 16.250 48 42 34 30 26 22 22 22 49
10.00 8.750 1.250 .625 20 458 388 457 128.55 12 7/8- 9 14.250 12.750 1.000 16.000 .500 17.500 19.000 48 42 34 30 26 22 22 22 64
12.00 9.000 1.375 .688 20 529 445 457 144.72 12 7/8- 9 17.000 15.000 1.000 19.000 .625 20.500 22.000 48 42 34 30 26 22 22 22 88
14.00 12.790 1.375 .688 20 203 371 514 233.59 12 1-8 18.750 16.250 1.188 21.000 1.420 24.172 27.313 48 42 34 30 26 22 22 22 143
16.00 13.500 1.625 1.000 20 180 383 514 259.68 16 1-8 21.250 18.500 1.188 23.500 1.420 27.563 31.500 48 42 34 30 26 22 22 22 179
20.00 20.470 1.625 1.000 20 185 371 571 374.57 20 1 1/8- 8 25.000 23.000 1.188 27.500 1.420 31.500 35.438 48 42 34 30 26 22 22 22 243

NOTES:
1. Movements are non-concurrent and based from Neutral Length with Limit Bolts installed.
2. Spring Rate Capability is based on 1″ of movement at zero pressure conditions.
3. Vacuum Rating is based from fully extended position. CF = Contact Factory.

 

Series 445-BD Materials of Construction
Description 1″ Through 12″ 14″ Through 20″
Bellows PTFE  PTFE 
Flanges Ductile Iron Zinc Plated Carbon Steel
Reinforcing Rings Stainless Steel Stainless Steel
Limit Bolts Carbon Steel Carbon Steel
Nuts Carbon Steel Carbon Steel
Grommets Neoprene Neoprene
Washers Carbon Steel Carbon Steel

In order to properly and successfully install Proco Style 445-BD PTFE expansion joints, specific service conditions must be met, and it’s important that the process is implemented using the guidelines set forth in our brochure. Contact Proco for additional advice if the system requirements exceed those of the expansion joint selected.

For detailed information on service conditions, proper alignment, anchoring, and storage techniques, download the PROCO Style 445-BD Brochure.