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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
$2.8458 - $6.3479 100 In stock
2500
12.000 in
3.000 in
$1.3556 - $3.3792 188 In stock
600
7.500 in
2-1/2 in
$27.2621 - $68.1606 9 In stock
300
40.750 in
28.000 in
$1.9671 - $5.2136 Request the lead time here
300
9.000 in
3-1/2 in
$21.788 - $36.3011 23 In stock
900
41.000 in
24.000 in
$1.5575 - $3.8862 214 In stock
1500
5.125 in
3/4 in
$3.9318 - $8.7374 5 In stock
900
15.000 in
6.000 in
$11.7306 - $19.5506 6 In stock
1500
29.500 in
14.000 in
$1.7705 - $3.9344 7 In stock
1500
10.500 in
3.000 in
$13.316 - $33.284 12 In stock
150
29.500 in
22.000 in
$1.0884 - $2.7033 75 In stock
150
6.000 in
2.000 in
$24.981 - $41.6352 2 In stock
150
41.750 in
32.000 in
$1.4861 - $3.717 151 In stock
150
9.000 in
4.000 in
$1.2122 - $3.0414 Request the lead time here
2500
5.250 in
1/2 in
$1.9571 - $4.8999 59 In stock
150
10.000 in
5.000 in
$1.2905 - $3.2343 Request the lead time here
2500
5.500 in
3/4 in
$5.4525 - $12.1407 Request the lead time here
2500
19.000 in
6.000 in
$1.0146 - $2.5343 48 In stock
600
6.125 in
1-1/2 in
$9.9926 - $16.6782 23 In stock
300
25.500 in
16.000 in
$1.2905 - $3.2343 Request the lead time here
600
7.500 in
2-1/2 in
  • of 24
Bolt Hole Flange Protector - 3.000 in inch pipe size Bolt Circle Diameter 228.6 mm | 9.000 in ; PP

PCF2500-3A

Price Range
$6.3479 - $2.8458

Stock Levels
100 In stock
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    3.000 in
  • Outside Diameter
    12.000 in
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
$3.3792 - $1.3556

Stock Levels
188 In stock
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Class Pressure Rating
    400
  • Class Pressure Rating
    600
Bolt Hole Flange Protector - 28.000 in inch pipe size Bolt Circle Diameter 939.8 mm | 37.000 in ; PP

PCF300-28A

Price Range
$68.1606 - $27.2621

Stock Levels
9 In stock
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    28.000 in
  • Outside Diameter
    40.750 in
Bolt Hole Flange Protector - 3-1/2 in inch pipe size Bolt Circle Diameter 184.2 mm | 7.250 in ; PP

PCF300-3-1/2A

Price Range
$5.2136 - $1.9671

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    3-1/2 in
  • Outside Diameter
    9.000 in
Bolt Hole Flange Protector - 24.000 in inch pipe size Bolt Circle Diameter 901.7 mm | 35.500 in ; PP

PCF900-24A

Price Range
$36.3011 - $21.788

Stock Levels
23 In stock
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    24.000 in
  • Outside Diameter
    41.000 in
Bolt Hole Flange Protector - 3/4 in inch pipe size Bolt Circle Diameter 88.9 mm | 3.500 in ; PP

PCF900-3/4A

Price Range
$3.8862 - $1.5575

Stock Levels
214 In stock
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    1500
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    3/4 in
Bolt Hole Flange Protector - 6.000 in inch pipe size Bolt Circle Diameter 317.5 mm | 12.500 in ; PP

PCF900-6A

Price Range
$8.7374 - $3.9318

Stock Levels
5 In stock
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    6.000 in
  • Outside Diameter
    15.000 in
Bolt Hole Flange Protector - 14.000 in inch pipe size Bolt Circle Diameter 635 mm | 25.000 in ; Pressboard

PRB1500-14A

Price Range
$19.5506 - $11.7306

Stock Levels
6 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    14.000 in
  • Outside Diameter
    29.500 in
Bolt Hole Flange Protector - 3.000 in inch pipe size Bolt Circle Diameter 203.2 mm | 8.000 in ; Pressboard

PRB1500-3A

Price Range
$3.9344 - $1.7705

Stock Levels
7 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    3.000 in
  • Outside Diameter
    10.500 in
Bolt Hole Flange Protector - 22.000 in inch pipe size Bolt Circle Diameter 692.2 mm | 27.250 in ; Pressboard

PRB150-22A

Price Range
$33.284 - $13.316

Stock Levels
12 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    22.000 in
  • Outside Diameter
    29.500 in
Bolt Hole Flange Protector - 2.000 in inch pipe size Bolt Circle Diameter 120.7 mm | 4.750 in ; Pressboard

PRB150-2A

Price Range
$2.7033 - $1.0884

Stock Levels
75 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    2.000 in
  • Outside Diameter
    6.000 in
Bolt Hole Flange Protector - 32.000 in inch pipe size Bolt Circle Diameter 977.9 mm | 38.500 in ; Pressboard

PRB150-32A

Price Range
$41.6352 - $24.981

Stock Levels
2 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    32.000 in
  • Outside Diameter
    41.750 in
Bolt Hole Flange Protector - 4.000 in inch pipe size Bolt Circle Diameter 190.5 mm | 7.500 in ; Pressboard

PRB150-4A

Price Range
$3.717 - $1.4861

Stock Levels
151 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    4.000 in
  • Outside Diameter
    9.000 in
Bolt Hole Flange Protector - 1/2 in inch pipe size Bolt Circle Diameter 88.9 mm | 3.500 in ; Pressboard

PRB2500-1/2A

Price Range
$3.0414 - $1.2122

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    1/2 in
  • Outside Diameter
    5.250 in
Bolt Hole Flange Protector - 5.000 in inch pipe size Bolt Circle Diameter 215.9 mm | 8.500 in ; Pressboard

PRB150-5A

Price Range
$4.8999 - $1.9571

Stock Levels
59 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    5.000 in
  • Outside Diameter
    10.000 in
Bolt Hole Flange Protector - 3/4 in inch pipe size Bolt Circle Diameter 95.3 mm | 3.750 in ; Pressboard

PRB2500-3/4A

Price Range
$3.2343 - $1.2905

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    3/4 in
  • Outside Diameter
    5.500 in
Bolt Hole Flange Protector - 6.000 in inch pipe size Bolt Circle Diameter 368.3 mm | 14.500 in ; Pressboard

PRB2500-6A

Price Range
$12.1407 - $5.4525

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    6.000 in
  • Outside Diameter
    19.000 in
Bolt Hole Flange Protector - 1-1/2 in inch pipe size Bolt Circle Diameter 114.3 mm | 4.500 in ; Pressboard

PRB300-1-1/2A

Price Range
$2.5343 - $1.0146

Stock Levels
48 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    400
  • Class Pressure Rating
    300
  • Class Pressure Rating
    600
Bolt Hole Flange Protector - 16.000 in inch pipe size Bolt Circle Diameter 571.5 mm | 22.500 in ; Pressboard

PRB300-16A

Price Range
$16.6782 - $9.9926

Stock Levels
23 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    16.000 in
  • Outside Diameter
    25.500 in
Bolt Hole Flange Protector - 2-1/2 in inch pipe size Bolt Circle Diameter 149.2 mm | 5.875 in ; Pressboard

PRB300-2-1/2A

Price Range
$3.2343 - $1.2905

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