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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
$26.0022 - $64.9748 10 In stock
150
36.500 in
28.000 in
$1.4034 - $3.50 74 In stock
150
8.500 in
3-1/2 in
$1.2905 - $3.2343 89 In stock
150
7.500 in
3.000 in
$2.9327 - $6.5169 112 In stock
150
13.500 in
8.000 in
$1.4861 - $3.717 25 In stock
2500
7.250 in
1-1/4 in
$1.6773 - $4.1997 Request the lead time here
2500
9.250 in
2.000 in
$3.8667 - $8.5443 Request the lead time here
2500
16.500 in
5.000 in
$5.1269 - $11.3925 19 In stock
300
17.500 in
10.000 in
$7.8855 - $13.1301 Request the lead time here
300
23.000 in
14.000 in
$17.7474 - $29.567 20 In stock
300
30.500 in
20.000 in
$27.8918 - $69.7055 2 In stock
300
38.250 in
26.000 in
$28.0874 - $46.8002 Request the lead time here
300
43.000 in
30.000 in
$5.8652 - $13.0338 Request the lead time here
1500
14.750 in
5.000 in
$9.6449 - $21.4088 50 In stock
150
19.000 in
12.000 in
$20.6367 - $34.4183 6 In stock
150
27.500 in
20.000 in
$33.8222 - $56.3823 18 In stock
150
34.250 in
26.000 in
$2.2809 - $5.6964 49 In stock
150
8.500 in
3-1/2 in
$1.0907 - $2.7275 Request the lead time here
150
4.625 in
1-1/4 in
$10.9049 - $18.1748 Request the lead time here
1500
23.000 in
10.000 in
$27.9353 - $46.583 Request the lead time here
1500
36.000 in
18.000 in
  • of 24
Bolt Hole Flange Protector - 28.000 in inch pipe size Bolt Circle Diameter 863.6 mm | 34.000 in ; Pressboard

PRB150-28A

Price Range
$64.9748 - $26.0022

Stock Levels
10 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    28.000 in
  • Outside Diameter
    36.500 in
Bolt Hole Flange Protector - 3-1/2 in inch pipe size Bolt Circle Diameter 177.8 mm | 7.000 in ; Pressboard

PRB150-3-1/2A

Price Range
$3.50 - $1.4034

Stock Levels
74 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    3-1/2 in
  • Outside Diameter
    8.500 in
Bolt Hole Flange Protector - 3.000 in inch pipe size Bolt Circle Diameter 152.4 mm | 6.000 in ; Pressboard

PRB150-3A

Price Range
$3.2343 - $1.2905

Stock Levels
89 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    3.000 in
  • Outside Diameter
    7.500 in
Bolt Hole Flange Protector - 8.000 in inch pipe size Bolt Circle Diameter 298.5 mm | 11.750 in ; Pressboard

PRB150-8A

Price Range
$6.5169 - $2.9327

Stock Levels
112 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    8.000 in
  • Outside Diameter
    13.500 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
$3.717 - $1.4861

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 - 2.000 in inch pipe size Bolt Circle Diameter 171.5 mm | 6.750 in ; Pressboard

PRB2500-2A

Price Range
$4.1997 - $1.6773

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    2.000 in
  • Outside Diameter
    9.250 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
$8.5443 - $3.8667

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 - 10.000 in inch pipe size Bolt Circle Diameter 387.4 mm | 15.250 in ; Pressboard

PRB300-10A

Price Range
$11.3925 - $5.1269

Stock Levels
19 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    10.000 in
  • Outside Diameter
    17.500 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
$13.1301 - $7.8855

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
$29.567 - $17.7474

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 - 26.000 in inch pipe size Bolt Circle Diameter 876.3 mm | 34.500 in ; Pressboard

PRB300-26A

Price Range
$69.7055 - $27.8918

Stock Levels
2 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    26.000 in
  • Outside Diameter
    38.250 in
Bolt Hole Flange Protector - 30.000 in inch pipe size Bolt Circle Diameter 997 mm | 39.250 in ; Pressboard

PRB300-30A

Price Range
$46.8002 - $28.0874

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 - 5.000 in inch pipe size Bolt Circle Diameter 292.1 mm | 11.500 in ; HDPE

RFL1500-5A

Price Range
$13.0338 - $5.8652

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    5.000 in
  • Outside Diameter
    14.750 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
$21.4088 - $9.6449

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 - 20.000 in inch pipe size Bolt Circle Diameter 635 mm | 25.000 in ; HDPE

RFL150-20A

Price Range
$34.4183 - $20.6367

Stock Levels
6 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    20.000 in
  • Outside Diameter
    27.500 in
Bolt Hole Flange Protector - 26.000 in inch pipe size Bolt Circle Diameter 806.5 mm | 31.750 in ; HDPE

RFL150-26A

Price Range
$56.3823 - $33.8222

Stock Levels
18 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    26.000 in
  • Outside Diameter
    34.250 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
$5.6964 - $2.2809

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 - 1-1/4 in inch pipe size Bolt Circle Diameter 88.9 mm | 3.500 in ; HDPE

RFD150-1-1/4A

Price Range
$2.7275 - $1.0907

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    1-1/4 in
  • Outside Diameter
    4.625 in
Bolt Hole Flange Protector - 10.000 in inch pipe size Bolt Circle Diameter 482.6 mm | 19.000 in ; HDPE

RFL1500-10A

Price Range
$18.1748 - $10.9049

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • 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 ; HDPE

RFL1500-18A

Price Range
$46.583 - $27.9353

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    18.000 in
  • Outside Diameter
    36.000 in