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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)
  • Colour: 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
$1.7865 - $4.7342 1307 In stock
900
9.500 in
3.000 in
$5.0139 - $11.8001 55 In stock
900
18.500 in
8.000 in
$1.355 - $3.5913 25 In stock
2500
7.250 in
1-1/4 in
$5.5737 - $9.8645 7 In stock
300
20.500 in
12.000 in
$3.5213 - $8.2554 Request the lead time here
2500
16.500 in
5.000 in
$17.4435 - $30.8058 Request the lead time here
300
36.000 in
24.000 in
$8.7917 - $20.6849 50 In stock
150
19.000 in
12.000 in
$7.2059 - $12.6861 Request the lead time here
300
23.000 in
14.000 in
$16.1843 - $28.5671 20 In stock
300
30.500 in
20.000 in
$2.0778 - $5.5038 49 In stock
150
8.500 in
3-1/2 in
$25.652 - $45.2175 Request the lead time here
300
43.000 in
30.000 in
$2.2107 - $5.2004 Request the lead time here
300
12.500 in
6.000 in
$2.8454 - $6.6696 Request the lead time here
600
14.000 in
6.000 in
$3.7779 - $8.9085 52 In stock
600
16.500 in
8.000 in
$0.9914 - $2.612 100 In stock
600
6.500 in
2.000 in
$23.5532 - $41.5566 20 In stock
300
45.250 in
32.000 in
$1.7865 - $4.1978 Request the lead time here
300
11.000 in
5.000 in
$8.1155 - $14.2952 Request the lead time here
900
25.250 in
14.000 in
$16.1843 - $28.5671 8 In stock
900
33.750 in
20.000 in
$24.2529 - $42.7923 Request the lead time here
900
46.000 in
28.000 in
  • of 24
Bolt Hole Flange Protector - 3.000 in inch pipe size Bolt Circle Diameter 190.5 mm | 7.500 in ; Pressboard

PRB900-3A

Price Range
$4.7342 - $1.7865

Stock Levels
1307 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    3.000 in
  • Outside Diameter
    9.500 in
Bolt Hole Flange Protector - 8.000 in inch pipe size Bolt Circle Diameter 393.7 mm | 15.500 in ; Pressboard

PRB900-8A

Price Range
$11.8001 - $5.0139

Stock Levels
55 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    8.000 in
  • Outside Diameter
    18.500 in
Bolt Hole Flange Protector - 1-1/4 in inch pipe size Bolt Circle Diameter 130.2 mm | 5.125 in ; Pressboard

PRB2500-1-1/4A

Price Range
$3.5913 - $1.355

Stock Levels
25 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    1-1/4 in
  • Outside Diameter
    7.250 in
Bolt Hole Flange Protector - 12.000 in inch pipe size Bolt Circle Diameter 450.9 mm | 17.750 in ; Pressboard

PRB300-12A

Price Range
$9.8645 - $5.5737

Stock Levels
7 In stock
Attributes
  • Colour
    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 - 5.000 in inch pipe size Bolt Circle Diameter 323.9 mm | 12.750 in ; Pressboard

PRB2500-5A

Price Range
$8.2554 - $3.5213

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    5.000 in
  • Outside Diameter
    16.500 in
Bolt Hole Flange Protector - 24.000 in inch pipe size Bolt Circle Diameter 812.8 mm | 32.000 in ; Pressboard

PRB300-24A

Price Range
$30.8058 - $17.4435

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    24.000 in
  • Outside Diameter
    36.000 in
Bolt Hole Flange Protector - 12.000 in inch pipe size Bolt Circle Diameter 431.8 mm | 17.000 in ; HDPE

RFL150-12A

Price Range
$20.6849 - $8.7917

Stock Levels
50 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    12.000 in
  • Outside Diameter
    19.000 in
Bolt Hole Flange Protector - 14.000 in inch pipe size Bolt Circle Diameter 514.4 mm | 20.250 in ; Pressboard

PRB300-14A

Price Range
$12.6861 - $7.2059

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    14.000 in
  • Outside Diameter
    23.000 in
Bolt Hole Flange Protector - 20.000 in inch pipe size Bolt Circle Diameter 685.8 mm | 27.000 in ; Pressboard

PRB300-20A

Price Range
$28.5671 - $16.1843

Stock Levels
20 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    20.000 in
  • Outside Diameter
    30.500 in
Bolt Hole Flange Protector - 3-1/2 in inch pipe size Bolt Circle Diameter 177.8 mm | 7.000 in ; HDPE

RFL150-3-1/2A

Price Range
$5.5038 - $2.0778

Stock Levels
49 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    3-1/2 in
  • Outside Diameter
    8.500 in
Bolt Hole Flange Protector - 30.000 in inch pipe size Bolt Circle Diameter 997 mm | 39.250 in ; Pressboard

PRB300-30A

Price Range
$45.2175 - $25.652

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    30.000 in
  • Outside Diameter
    43.000 in
Bolt Hole Flange Protector - 6.000 in inch pipe size Bolt Circle Diameter 269.9 mm | 10.625 in ; Pressboard

PRB300-6A

Price Range
$5.2004 - $2.2107

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    6.000 in
  • Outside Diameter
    12.500 in
Bolt Hole Flange Protector - 6.000 in inch pipe size Bolt Circle Diameter 292.1 mm | 11.500 in ; Pressboard

PRB600-6A

Price Range
$6.6696 - $2.8454

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    6.000 in
  • Outside Diameter
    14.000 in
Bolt Hole Flange Protector - 8.000 in inch pipe size Bolt Circle Diameter 349.3 mm | 13.750 in ; Pressboard

PRB600-8A

Price Range
$8.9085 - $3.7779

Stock Levels
52 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    8.000 in
  • Outside Diameter
    16.500 in
Bolt Hole Flange Protector - 2.000 in inch pipe size Bolt Circle Diameter 127 mm | 5.000 in ; Pressboard

PRB300-2A

Price Range
$2.612 - $0.9914

Stock Levels
100 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    600
  • Class Pressure Rating
    300
  • Class Pressure Rating
    400
Bolt Hole Flange Protector - 32.000 in inch pipe size Bolt Circle Diameter 1054.1 mm | 41.500 in ; Pressboard

PRB300-32A

Price Range
$41.5566 - $23.5532

Stock Levels
20 In stock
Attributes
  • Colour
    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
$4.1978 - $1.7865

Stock Levels
Request the lead time here
Attributes
  • Colour
    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 - 14.000 in inch pipe size Bolt Circle Diameter 558.8 mm | 22.000 in ; Pressboard

PRB900-14A

Price Range
$14.2952 - $8.1155

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    14.000 in
  • Outside Diameter
    25.250 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
$28.5671 - $16.1843

Stock Levels
8 In stock
Attributes
  • Colour
    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
$42.7923 - $24.2529

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    28.000 in
  • Outside Diameter
    46.000 in