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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
$1.8972 - $4.2319 200 In stock
2500
12.000 in
3.000 in
$0.9037 - $2.2528 300 In stock
600
7.500 in
2-1/2 in
$18.1747 - $45.4404 Request the lead time here
300
40.750 in
28.000 in
$1.3114 - $3.4757 50 In stock
300
9.000 in
3-1/2 in
PCF900-24A $14.5253 - $24.2007 10 In stock
900
41.000 in
24.000 in
$1.0383 - $2.5908 64 In stock
1500
5.125 in
3/4 in
$2.6212 - $5.8249 855 In stock
900
15.000 in
6.000 in
$7.8204 - $13.0337 Request the lead time here
1500
29.500 in
14.000 in
$1.1803 - $2.6229 150 In stock
1500
10.500 in
3.000 in
$8.8773 - $22.1893 Request the lead time here
150
29.500 in
22.000 in
$0.7256 - $1.8022 50 In stock
150
6.000 in
2.000 in
$16.654 - $27.7568 Request the lead time here
150
41.750 in
32.000 in
$0.9907 - $2.478 310 In stock
150
9.000 in
4.000 in
$0.8081 - $2.0276 Request the lead time here
2500
5.250 in
1/2 in
$1.3047 - $3.2666 159 In stock
150
10.000 in
5.000 in
$0.8603 - $2.1562 Request the lead time here
2500
5.500 in
3/4 in
$3.635 - $8.0938 Request the lead time here
2500
19.000 in
6.000 in
$0.6764 - $1.6895 Request the lead time here
600
6.125 in
1-1/2 in
$6.6617 - $11.1188 43 In stock
300
25.500 in
16.000 in
$0.8603 - $2.1562 150 In stock
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
$4.2319 - $1.8972

Stock Levels
200 In stock
Attributes
  • Color
    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
$2.2528 - $0.9037

Stock Levels
300 In stock
Attributes
  • Color
    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
$45.4404 - $18.1747

Stock Levels
Request the lead time here
Attributes
  • Color
    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
$3.4757 - $1.3114

Stock Levels
50 In stock
Attributes
  • Color
    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
$24.2007 - $14.5253

Stock Levels
10 In stock
Attributes
  • Color
    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
$2.5908 - $1.0383

Stock Levels
64 In stock
Attributes
  • Color
    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
$5.8249 - $2.6212

Stock Levels
855 In stock
Attributes
  • Color
    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
$13.0337 - $7.8204

Stock Levels
Request the lead time here
Attributes
  • Color
    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
$2.6229 - $1.1803

Stock Levels
150 In stock
Attributes
  • Color
    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
$22.1893 - $8.8773

Stock Levels
Request the lead time here
Attributes
  • Color
    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
$1.8022 - $0.7256

Stock Levels
50 In stock
Attributes
  • Color
    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
$27.7568 - $16.654

Stock Levels
Request the lead time here
Attributes
  • Color
    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
$2.478 - $0.9907

Stock Levels
310 In stock
Attributes
  • Color
    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
$2.0276 - $0.8081

Stock Levels
Request the lead time here
Attributes
  • Color
    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
$3.2666 - $1.3047

Stock Levels
159 In stock
Attributes
  • Color
    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
$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)
    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
$8.0938 - $3.635

Stock Levels
Request the lead time here
Attributes
  • Color
    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
$1.6895 - $0.6764

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
Bolt Hole Flange Protector - 16.000 in inch pipe size Bolt Circle Diameter 571.5 mm | 22.500 in ; Pressboard

PRB300-16A

Price Range
$11.1188 - $6.6617

Stock Levels
43 In stock
Attributes
  • Color
    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
$2.1562 - $0.8603

Stock Levels
150 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Class Pressure Rating
    600
  • Class Pressure Rating
    400