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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
$2.0522 - $4.835 3700 In stock
2500
14.000 in
4.000 in
$0.5473 - $1.4475 250 In stock
600
3.750 in
1/2 in
$4.0111 - $7.0738 60 In stock
300
20.500 in
12.000 in
$8.3486 - $14.7383 30 In stock
300
25.500 in
16.000 in
$19.0706 - $40.9655 Request the lead time here
300
33.000 in
22.000 in
$0.7369 - $1.959 929 In stock
600
6.500 in
2.000 in
$15.7021 - $27.6886 Request the lead time here
300
47.500 in
34.000 in
PCF900-24A $13.2614 - $23.3823 10 In stock
900
41.000 in
24.000 in
$1.7102 - $4.0267 25 In stock
900
11.500 in
4.000 in
$2.3942 - $5.6279 855 In stock
900
15.000 in
6.000 in
$6.1566 - $10.8671 Request the lead time here
1500
26.500 in
12.000 in
$6.5763 - $11.598 10 In stock
150
27.500 in
20.000 in
$8.0999 - $21.4389 Request the lead time here
150
29.500 in
22.000 in
$0.4338 - $1.1505 50 In stock
150
3.875 in
3/4 in
$0.6609 - $1.7413 600 In stock
150
6.000 in
2.000 in
$15.2047 - $26.8182 Request the lead time here
150
41.750 in
32.000 in
$0.9033 - $2.3942 70 In stock
150
9.000 in
4.000 in
$0.9033 - $2.3942 Request the lead time here
2500
8.000 in
1-1/2 in
$1.7723 - $4.1977 49 In stock
150
13.500 in
8.000 in
$0.7868 - $2.0833 Request the lead time here
2500
6.250 in
1.000 in
  • of 24
Bolt Hole Flange Protector - 4.000 in inch pipe size Bolt Circle Diameter 273.1 mm | 10.750 in ; PP

PCF2500-4A

Price Range
$4.835 - $2.0522

Stock Levels
3700 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    4.000 in
  • Outside Diameter
    14.000 in
Bolt Hole Flange Protector - 1/2 in inch pipe size Bolt Circle Diameter 66.7 mm | 2.625 in ; PP

PCF300-1/2A

Price Range
$1.4475 - $0.5473

Stock Levels
250 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    400
  • Class Pressure Rating
    300
  • Class Pressure Rating
    600
Bolt Hole Flange Protector - 12.000 in inch pipe size Bolt Circle Diameter 450.9 mm | 17.750 in ; PP

PCF300-12A

Price Range
$7.0738 - $4.0111

Stock Levels
60 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    12.000 in
  • Outside Diameter
    20.500 in
Bolt Hole Flange Protector - 16.000 in inch pipe size Bolt Circle Diameter 571.5 mm | 22.500 in ; PP

PCF300-16A

Price Range
$14.7383 - $8.3486

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

PCF300-22A

Price Range
$40.9655 - $19.0706

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
$1.959 - $0.7369

Stock Levels
929 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    400
  • Class Pressure Rating
    300
  • Class Pressure Rating
    600
Bolt Hole Flange Protector - 34.000 in inch pipe size Bolt Circle Diameter 1104.9 mm | 43.500 in ; PP

PCF300-34A

Price Range
$27.6886 - $15.7021

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    34.000 in
  • Outside Diameter
    47.500 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
$23.3823 - $13.2614

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 - 4.000 in inch pipe size Bolt Circle Diameter 235 mm | 9.250 in ; PP

PCF900-4A

Price Range
$4.0267 - $1.7102

Stock Levels
25 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    4.000 in
  • Outside Diameter
    11.500 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
$5.6279 - $2.3942

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 - 12.000 in inch pipe size Bolt Circle Diameter 571.5 mm | 22.500 in ; Pressboard

PRB1500-12A

Price Range
$10.8671 - $6.1566

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    12.000 in
  • Outside Diameter
    26.500 in
Bolt Hole Flange Protector - 20.000 in inch pipe size Bolt Circle Diameter 635 mm | 25.000 in ; Pressboard

PRB150-20A

Price Range
$11.598 - $6.5763

Stock Levels
10 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    20.000 in
  • Outside Diameter
    27.500 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
$21.4389 - $8.0999

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 - 3/4 in inch pipe size Bolt Circle Diameter 69.9 mm | 2.750 in ; Pressboard

PRB150-3/4A

Price Range
$1.1505 - $0.4338

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 - 2.000 in inch pipe size Bolt Circle Diameter 120.7 mm | 4.750 in ; Pressboard

PRB150-2A

Price Range
$1.7413 - $0.6609

Stock Levels
600 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
$26.8182 - $15.2047

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
$2.3942 - $0.9033

Stock Levels
70 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 - 1-1/2 in inch pipe size Bolt Circle Diameter 146.1 mm | 5.750 in ; Pressboard

PRB2500-1-1/2A

Price Range
$2.3942 - $0.9033

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    1-1/2 in
  • Outside Diameter
    8.000 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
$4.1977 - $1.7723

Stock Levels
49 In stock
Attributes
  • Color
    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 - 1.000 in inch pipe size Bolt Circle Diameter 108 mm | 4.250 in ; Pressboard

PRB2500-1A

Price Range
$2.0833 - $0.7868

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