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Bolt Hole Flange Protectors
Bolt Hole Flange Protectors - Line Drawing
Bolt Hole Flange Protectors - Line Drawing

Bolt Hole Flange Protectors

In stock

Flange Protection Discs are easy to fit. The disc has four pre-punched holes, through which cable ties can be easily attached for a secure fit. When needed other fastening products such as retainer plugs, pins and washers can also be applied.

These protective discs provide cost-effective full face protection for a flanges exposed sealing surface. They have a special design with multiple holes to match the flanges bolt hole diameter and bolt circle.

The extensive range covers a variety of sizes and pressure ratings. They includes options that are suitable for ANSI B16.5 and ASME B16.47 flange dimensions - Pressure Groups 150, 300, 600, 9 00, 1500 and 2500 pounds (lb).

Ensure you select an appropriate protector by first measuring both the Outside Diameter and Bolt Circle Diameter of your flange.

  • Material: Polypropylene (PP)
  • Color: Black

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Product SKUs information
Item Code Price range Availability Class Pressure Rating Outside Diameter Compatible Nominal Pipe Sizes (All) View
$0.6609 - $1.7413 50 In stock
1500
4.750 in
1/2 in
$0.7868 - $2.0833 233 In stock
1500
5.875 in
1.000 in
$0.5784 - $1.5298 150 In stock
150
4.250 in
1.000 in
$10.7895 - $19.0447 Request the lead time here
300
30.500 in
20.000 in
$0.6639 - $1.7568 50 In stock
150
4.625 in
1-1/4 in
$10.945 - $28.9947 Request the lead time here
150
34.250 in
26.000 in
$14.4274 - $25.4809 Request the lead time here
150
46.000 in
36.000 in
$0.9033 - $2.3942 Request the lead time here
2500
8.000 in
1-1/2 in
$1.8035 - $4.2599 Request the lead time here
2500
14.000 in
4.000 in
$3.7158 - $6.5763 47 In stock
300
20.500 in
12.000 in
$11.629 - $20.5372 Request the lead time here
300
36.000 in
24.000 in
$16.1686 - $28.4505 Request the lead time here
300
47.500 in
34.000 in
$17.257 - $45.754 10 In stock
150
41.750 in
32.000 in
$0.9469 - $2.5032 211 In stock
2500
5.500 in
3/4 in
$0.7369 - $1.959 169 In stock
600
6.125 in
1-1/2 in
$0.8256 - $2.1766 350 In stock
600
7.500 in
2-1/2 in
$1.0775 - $2.8451 Request the lead time here
1500
9.625 in
2-1/2 in
$1.7723 - $4.1977 Request the lead time here
900
13.750 in
5.000 in
$8.0999 - $21.4389 Request the lead time here
150
29.500 in
22.000 in
$15.2047 - $26.8182 Request the lead time here
150
41.750 in
32.000 in
    • of 24
Bolt Hole Flange Protector - 1/2 in inch pipe size Bolt Circle Diameter 82.6 mm | 3.250 in ; Pressboard

PRB900-1/2A

Price Range
$1.7413 - $0.6609

Stock Levels
50 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    1500
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    1/2 in
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Bolt Hole Flange Protector - 1.000 in inch pipe size Bolt Circle Diameter 101.6 mm | 4.000 in ; Pressboard

PRB900-1A

Price Range
$2.0833 - $0.7868

Stock Levels
233 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    1500
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    1.000 in
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Bolt Hole Flange Protector - 1.000 in inch pipe size Bolt Circle Diameter 79.4 mm | 3.125 in ; HDPE

RFD150-1A

Price Range
$1.5298 - $0.5784

Stock Levels
150 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    1.000 in
  • Outside Diameter
    4.250 in
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Bolt Hole Flange Protector - 20.000 in inch pipe size Bolt Circle Diameter 685.8 mm | 27.000 in ; Pressboard

PRB300-20A

Price Range
$19.0447 - $10.7895

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    20.000 in
  • Outside Diameter
    30.500 in
Quick View
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Bolt Hole Flange Protector - 1-1/4 in inch pipe size Bolt Circle Diameter 88.9 mm | 3.500 in ; HDPE

RFD150-1-1/4A

Price Range
$1.7568 - $0.6639

Stock Levels
50 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    1-1/4 in
  • Outside Diameter
    4.625 in
Quick View
View Product >
Bolt Hole Flange Protector - 26.000 in inch pipe size Bolt Circle Diameter 806.5 mm | 31.750 in ; Pressboard

PRB150-26A

Price Range
$28.9947 - $10.945

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    26.000 in
  • Outside Diameter
    34.250 in
Quick View
View Product >
Bolt Hole Flange Protector - 36.000 in inch pipe size Bolt Circle Diameter 1085.9 mm | 42.750 in ; Pressboard

PRB150-36A

Price Range
$25.4809 - $14.4274

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    36.000 in
  • Outside Diameter
    46.000 in
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Bolt Hole Flange Protector - 1-1/2 in inch pipe size Bolt Circle Diameter 146.1 mm | 5.750 in ; Pressboard

PRB2500-1-1/2A

Price Range
$2.3942 - $0.9033

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    1-1/2 in
  • Outside Diameter
    8.000 in
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Bolt Hole Flange Protector - 4.000 in inch pipe size Bolt Circle Diameter 273.1 mm | 10.750 in ; Pressboard

PRB2500-4A

Price Range
$4.2599 - $1.8035

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    4.000 in
  • Outside Diameter
    14.000 in
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Bolt Hole Flange Protector - 12.000 in inch pipe size Bolt Circle Diameter 450.9 mm | 17.750 in ; Pressboard

PRB300-12A

Price Range
$6.5763 - $3.7158

Stock Levels
47 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    12.000 in
  • Outside Diameter
    20.500 in
Quick View
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Bolt Hole Flange Protector - 24.000 in inch pipe size Bolt Circle Diameter 812.8 mm | 32.000 in ; Pressboard

PRB300-24A

Price Range
$20.5372 - $11.629

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    24.000 in
  • Outside Diameter
    36.000 in
Quick View
View Product >
Bolt Hole Flange Protector - 34.000 in inch pipe size Bolt Circle Diameter 1104.9 mm | 43.500 in ; Pressboard

PRB300-34A

Price Range
$28.4505 - $16.1686

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    34.000 in
  • Outside Diameter
    47.500 in
Quick View
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Bolt Hole Flange Protector - 32.000 in inch pipe size Bolt Circle Diameter 977.9 mm | 38.500 in ; PP

PCF150-32A

Price Range
$45.754 - $17.257

Stock Levels
10 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    32.000 in
  • Outside Diameter
    41.750 in
Quick View
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Bolt Hole Flange Protector - 3/4 in inch pipe size Bolt Circle Diameter 95.3 mm | 3.750 in ; PP

PCF2500-3/4A

Price Range
$2.5032 - $0.9469

Stock Levels
211 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    3/4 in
  • Outside Diameter
    5.500 in
Quick View
View Product >
Bolt Hole Flange Protector - 1-1/2 in inch pipe size Bolt Circle Diameter 114.3 mm | 4.500 in ; PP

PCF300-1-1/2A

Price Range
$1.959 - $0.7369

Stock Levels
169 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    400
  • Class Pressure Rating
    600
  • Class Pressure Rating
    300
Quick View
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Bolt Hole Flange Protector - 2-1/2 in inch pipe size Bolt Circle Diameter 149.2 mm | 5.875 in ; PP

PCF300-2-1/2A

Price Range
$2.1766 - $0.8256

Stock Levels
350 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Class Pressure Rating
    600
  • Class Pressure Rating
    400
Quick View
View Product >
Bolt Hole Flange Protector - 2-1/2 in inch pipe size Bolt Circle Diameter 190.5 mm | 7.500 in ; Pressboard

PRB900-2-1/2A

Price Range
$2.8451 - $1.0775

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    2-1/2 in
Quick View
View Product >
Bolt Hole Flange Protector - 5.000 in inch pipe size Bolt Circle Diameter 279.4 mm | 11.000 in ; Pressboard

PRB900-5A

Price Range
$4.1977 - $1.7723

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    5.000 in
  • Outside Diameter
    13.750 in
Quick View
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Bolt Hole Flange Protector - 22.000 in inch pipe size Bolt Circle Diameter 692.2 mm | 27.250 in ; Pressboard

PRB150-22A

Price Range
$21.4389 - $8.0999

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    22.000 in
  • Outside Diameter
    29.500 in
Quick View
View Product >
Bolt Hole Flange Protector - 32.000 in inch pipe size Bolt Circle Diameter 977.9 mm | 38.500 in ; Pressboard

PRB150-32A

Price Range
$26.8182 - $15.2047

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    32.000 in
  • Outside Diameter
    41.750 in
Quick View
View Product >