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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
$0.6575 - $1.6414 709 In stock
600
5.250 in
1-1/4 in
$9.2683 - $15.4473 40 In stock
300
28.000 in
18.000 in
$19.7381 - $42.3993 Request the lead time here
300
33.000 in
22.000 in
$0.8068 - $2.0276 729 In stock
600
6.500 in
2.000 in
$16.7554 - $27.9499 Request the lead time here
300
45.250 in
32.000 in
$16.9437 - $28.2394 10 In stock
900
42.750 in
26.000 in
$1.6221 - $4.0549 230 In stock
900
9.500 in
3.000 in
PCF900-8A $3.5562 - $8.3834 88 In stock
900
18.500 in
8.000 in
$11.8316 - $19.7113 Request the lead time here
1500
32.500 in
16.000 in
$1.5254 - $3.5882 75 In stock
1500
12.250 in
4.000 in
$11.8316 - $19.7113 40 In stock
150
32.000 in
24.000 in
$0.4751 - $1.1908 50 In stock
150
3.875 in
3/4 in
$18.7249 - $46.776 Request the lead time here
150
43.750 in
34.000 in
$8.081 - $13.4521 Request the lead time here
2500
30.000 in
12.000 in
$6.763 - $11.2474 Request the lead time here
2500
26.500 in
10.000 in
$0.8603 - $2.1562 Request the lead time here
2500
6.250 in
1.000 in
$1.6076 - $3.5882 11 In stock
2500
12.000 in
3.000 in
$4.9673 - $8.2708 Request the lead time here
2500
21.750 in
8.000 in
$0.6764 - $1.6895 18 In stock
600
5.250 in
1-1/4 in
$7.9506 - $13.2589 86 In stock
300
28.000 in
18.000 in
  • of 24
Bolt Hole Flange Protector - 1-1/4 in inch pipe size Bolt Circle Diameter 98.4 mm | 3.875 in ; PP

PCF300-1-1/4A

Price Range
$1.6414 - $0.6575

Stock Levels
709 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    400
  • Class Pressure Rating
    600
  • Class Pressure Rating
    300
Bolt Hole Flange Protector - 18.000 in inch pipe size Bolt Circle Diameter 628.7 mm | 24.750 in ; PP

PCF300-18A

Price Range
$15.4473 - $9.2683

Stock Levels
40 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    18.000 in
  • Outside Diameter
    28.000 in
Bolt Hole Flange Protector - 22.000 in inch pipe size Bolt Circle Diameter 743 mm | 29.250 in ; PP

PCF300-22A

Price Range
$42.3993 - $19.7381

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • 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 ; PP

PCF300-2A

Price Range
$2.0276 - $0.8068

Stock Levels
729 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    600
  • Class Pressure Rating
    400
  • Class Pressure Rating
    300
Bolt Hole Flange Protector - 32.000 in inch pipe size Bolt Circle Diameter 1054.1 mm | 41.500 in ; PP

PCF300-32A

Price Range
$27.9499 - $16.7554

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    32.000 in
  • Outside Diameter
    45.250 in
Bolt Hole Flange Protector - 26.000 in inch pipe size Bolt Circle Diameter 952.5 mm | 37.500 in ; PP

PCF900-26A

Price Range
$28.2394 - $16.9437

Stock Levels
10 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    26.000 in
  • Outside Diameter
    42.750 in
Bolt Hole Flange Protector - 3.000 in inch pipe size Bolt Circle Diameter 190.5 mm | 7.500 in ; PP

PCF900-3A

Price Range
$4.0549 - $1.6221

Stock Levels
230 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • 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 ; PP

PCF900-8A

Price Range
$8.3834 - $3.5562

Stock Levels
88 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    8.000 in
  • Outside Diameter
    18.500 in
Bolt Hole Flange Protector - 16.000 in inch pipe size Bolt Circle Diameter 704.9 mm | 27.750 in ; Pressboard

PRB1500-16A

Price Range
$19.7113 - $11.8316

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    16.000 in
  • Outside Diameter
    32.500 in
Bolt Hole Flange Protector - 4.000 in inch pipe size Bolt Circle Diameter 241.3 mm | 9.500 in ; Pressboard

PRB1500-4A

Price Range
$3.5882 - $1.5254

Stock Levels
75 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    4.000 in
  • Outside Diameter
    12.250 in
Bolt Hole Flange Protector - 24.000 in inch pipe size Bolt Circle Diameter 749.3 mm | 29.500 in ; Pressboard

PRB150-24A

Price Range
$19.7113 - $11.8316

Stock Levels
40 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    24.000 in
  • Outside Diameter
    32.000 in
Bolt Hole Flange Protector - 3/4 in inch pipe size Bolt Circle Diameter 69.9 mm | 2.750 in ; Pressboard

PRB150-3/4A

Price Range
$1.1908 - $0.4751

Stock Levels
50 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    3/4 in
  • Outside Diameter
    3.875 in
Bolt Hole Flange Protector - 34.000 in inch pipe size Bolt Circle Diameter 1028.7 mm | 40.500 in ; Pressboard

PRB150-34A

Price Range
$46.776 - $18.7249

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    34.000 in
  • Outside Diameter
    43.750 in
Bolt Hole Flange Protector - 12.000 in inch pipe size Bolt Circle Diameter 619.3 mm | 24.380 in ; Pressboard

PRB2500-12A

Price Range
$13.4521 - $8.081

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    12.000 in
  • Outside Diameter
    30.000 in
Bolt Hole Flange Protector - 10.000 in inch pipe size Bolt Circle Diameter 539.8 mm | 21.250 in ; Pressboard

PRB2500-10A

Price Range
$11.2474 - $6.763

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    10.000 in
  • Outside Diameter
    26.500 in
Bolt Hole Flange Protector - 1.000 in inch pipe size Bolt Circle Diameter 108 mm | 4.250 in ; Pressboard

PRB2500-1A

Price Range
$2.1562 - $0.8603

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    1.000 in
  • Outside Diameter
    6.250 in
Bolt Hole Flange Protector - 3.000 in inch pipe size Bolt Circle Diameter 228.6 mm | 9.000 in ; Pressboard

PRB2500-3A

Price Range
$3.5882 - $1.6076

Stock Levels
11 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    3.000 in
  • Outside Diameter
    12.000 in
Bolt Hole Flange Protector - 8.000 in inch pipe size Bolt Circle Diameter 438.2 mm | 17.250 in ; Pressboard

PRB2500-8A

Price Range
$8.2708 - $4.9673

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    8.000 in
  • Outside Diameter
    21.750 in
Bolt Hole Flange Protector - 1-1/4 in inch pipe size Bolt Circle Diameter 98.4 mm | 3.875 in ; Pressboard

PRB300-1-1/4A

Price Range
$1.6895 - $0.6764

Stock Levels
18 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    600
  • Class Pressure Rating
    300
  • Class Pressure Rating
    400
Bolt Hole Flange Protector - 18.000 in inch pipe size Bolt Circle Diameter 628.7 mm | 24.750 in ; Pressboard

PRB300-18A

Price Range
$13.2589 - $7.9506

Stock Levels
86 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    18.000 in
  • Outside Diameter
    28.000 in