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Bolt Hole Flange Protectors

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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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463 results
Product SKUs information
Item Code Price range Availability Class Pressure Rating Outside Diameter Compatible Nominal Pipe Sizes (All) View
$11.8316 - $29.5748 Request the lead time here
300
33.000 in
22.000 in
$0.7256 - $1.8022 Request the lead time here
600
6.500 in
2.000 in
$17.2189 - $28.6741 Request the lead time here
300
45.250 in
32.000 in
$1.3047 - $2.8964 25 In stock
300
11.000 in
5.000 in
$0.5995 - $1.4982 95 In stock
600
4.625 in
3/4 in
$17.2044 - $28.6577 Request the lead time here
300
47.500 in
34.000 in
$17.0015 - $28.336 Request the lead time here
900
46.000 in
28.000 in
$1.8682 - $4.1676 25 In stock
900
11.500 in
4.000 in
$8.4428 - $26.2441 Request the lead time here
1500
23.000 in
10.000 in
$12.4977 - $20.8537 Request the lead time here
1500
36.000 in
18.000 in
$11.8316 - $19.7113 Request the lead time here
900
33.750 in
20.000 in
$17.7258 - $29.5267 Request the lead time here
900
46.000 in
28.000 in
$1.4323 - $3.1698 50 In stock
900
11.500 in
4.000 in
$1.3534 - $3.1698 225 In stock
150
11.000 in
6.000 in
$0.9907 - $2.478 Request the lead time here
2500
8.000 in
1-1/2 in
$1.4323 - $3.1698 Request the lead time here
2500
10.500 in
2-1/2 in
$1.9842 - $4.409 Request the lead time here
2500
14.000 in
4.000 in
$0.4751 - $1.1908 Request the lead time here
600
3.750 in
1/2 in
$4.084 - $6.8065 47 In stock
300
20.500 in
12.000 in
$0.5172 - $1.2939 Request the lead time here
600
4.875 in
1.000 in
  • of 24
Bolt Hole Flange Protector - 22.000 in inch pipe size Bolt Circle Diameter 743 mm | 29.250 in ; Pressboard

PRB300-22A

Price Range
$29.5748 - $11.8316

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    22.000 in
  • Outside Diameter
    33.000 in
Bolt Hole Flange Protector - 2.000 in inch pipe size Bolt Circle Diameter 127 mm | 5.000 in ; Pressboard

PRB300-2A

Price Range
$1.8022 - $0.7256

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Class Pressure Rating
    400
  • Class Pressure Rating
    600
Bolt Hole Flange Protector - 32.000 in inch pipe size Bolt Circle Diameter 1054.1 mm | 41.500 in ; Pressboard

PRB300-32A

Price Range
$28.6741 - $17.2189

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    32.000 in
  • Outside Diameter
    45.250 in
Bolt Hole Flange Protector - 5.000 in inch pipe size Bolt Circle Diameter 235 mm | 9.250 in ; Pressboard

PRB300-5A

Price Range
$2.8964 - $1.3047

Stock Levels
25 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    5.000 in
  • Outside Diameter
    11.000 in
Bolt Hole Flange Protector - 3/4 in inch pipe size Bolt Circle Diameter 82.6 mm | 3.250 in ; PP

PCF300-3/4A

Price Range
$1.4982 - $0.5995

Stock Levels
95 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    400
  • Class Pressure Rating
    300
  • Class Pressure Rating
    600
Bolt Hole Flange Protector - 34.000 in inch pipe size Bolt Circle Diameter 1104.9 mm | 43.500 in ; PP

PCF300-34A

Price Range
$28.6577 - $17.2044

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    34.000 in
  • Outside Diameter
    47.500 in
Bolt Hole Flange Protector - 28.000 in inch pipe size Bolt Circle Diameter 1022.4 mm | 40.250 in ; PP

PCF900-28A

Price Range
$28.336 - $17.0015

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    28.000 in
  • Outside Diameter
    46.000 in
Bolt Hole Flange Protector - 4.000 in inch pipe size Bolt Circle Diameter 235 mm | 9.250 in ; PP

PCF900-4A

Price Range
$4.1676 - $1.8682

Stock Levels
25 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    4.000 in
  • Outside Diameter
    11.500 in
Bolt Hole Flange Protector - 10.000 in inch pipe size Bolt Circle Diameter 482.6 mm | 19.000 in ; Pressboard

PRB1500-10A

Price Range
$26.2441 - $8.4428

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    10.000 in
  • Outside Diameter
    23.000 in
Bolt Hole Flange Protector - 18.000 in inch pipe size Bolt Circle Diameter 774.7 mm | 30.500 in ; Pressboard

PRB1500-18A

Price Range
$20.8537 - $12.4977

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    18.000 in
  • Outside Diameter
    36.000 in
Bolt Hole Flange Protector - 20.000 in inch pipe size Bolt Circle Diameter 749.3 mm | 29.500 in ; Pressboard

PRB900-20A

Price Range
$19.7113 - $11.8316

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    20.000 in
  • Outside Diameter
    33.750 in
Bolt Hole Flange Protector - 28.000 in inch pipe size Bolt Circle Diameter 1022.4 mm | 40.250 in ; Pressboard

PRB900-28A

Price Range
$29.5267 - $17.7258

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    28.000 in
  • Outside Diameter
    46.000 in
Bolt Hole Flange Protector - 4.000 in inch pipe size Bolt Circle Diameter 235 mm | 9.250 in ; Pressboard

PRB900-4A

Price Range
$3.1698 - $1.4323

Stock Levels
50 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    4.000 in
  • Outside Diameter
    11.500 in
Bolt Hole Flange Protector - 6.000 in inch pipe size Bolt Circle Diameter 241.3 mm | 9.500 in ; Pressboard

PRB150-6A

Price Range
$3.1698 - $1.3534

Stock Levels
225 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    6.000 in
  • Outside Diameter
    11.000 in
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
$2.478 - $0.9907

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
Bolt Hole Flange Protector - 2-1/2 in inch pipe size Bolt Circle Diameter 196.9 mm | 7.750 in ; Pressboard

PRB2500-2-1/2A

Price Range
$3.1698 - $1.4323

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

PRB2500-4A

Price Range
$4.409 - $1.9842

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
Bolt Hole Flange Protector - 1/2 in inch pipe size Bolt Circle Diameter 66.7 mm | 2.625 in ; Pressboard

PRB300-1/2A

Price Range
$1.1908 - $0.4751

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    600
  • Class Pressure Rating
    400
  • Class Pressure Rating
    300
Bolt Hole Flange Protector - 12.000 in inch pipe size Bolt Circle Diameter 450.9 mm | 17.750 in ; Pressboard

PRB300-12A

Price Range
$6.8065 - $4.084

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
Bolt Hole Flange Protector - 1.000 in inch pipe size Bolt Circle Diameter 88.9 mm | 3.500 in ; Pressboard

PRB300-1A

Price Range
$1.2939 - $0.5172

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    400
  • Class Pressure Rating
    300
  • Class Pressure Rating
    600