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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
$1.355 - $3.5913 111 In stock
150
9.000 in
4.000 in
$1.1054 - $2.9385 Request the lead time here
2500
5.250 in
1/2 in
$11.0538 - $19.4958 Request the lead time here
2500
30.000 in
12.000 in
$1.1802 - $3.125 Request the lead time here
2500
5.500 in
3/4 in
$0.9236 - $2.4486 18 In stock
300
5.250 in
1-1/4 in
$10.8905 - $19.2158 6 In stock
300
28.000 in
18.000 in
$16.1843 - $42.8621 Request the lead time here
300
33.000 in
22.000 in
$0.9914 - $2.612 100 In stock
300
6.500 in
2.000 in
$23.5532 - $41.5566 20 In stock
300
45.250 in
32.000 in
$0.6368 - $1.6887 139 In stock
150
3.500 in
1/2 in
$0.765 - $2.0267 42 In stock
150
3.875 in
3/4 in
$19.5423 - $34.5137 Request the lead time here
1500
29.500 in
14.000 in
$38.9447 - $68.5607 Request the lead time here
1500
46.000 in
24.000 in
$3.3116 - $7.8123 25 In stock
300
15.000 in
8.000 in
$11.8701 - $20.9883 1 In stock
600
27.000 in
16.000 in
$24.7194 - $43.8185 Request the lead time here
600
34.250 in
22.000 in
$23.3201 - $41.1368 Request the lead time here
600
47.000 in
32.000 in
$19.5423 - $34.5137 192 In stock
900
31.000 in
18.000 in
$0.6507 - $1.7258 5 In stock
150
3.500 in
1/2 in
$2.2107 - $5.2004 16 In stock
300
11.000 in
5.000 in
  • of 24
Bolt Hole Flange Protector - 4.000 in inch pipe size Bolt Circle Diameter 190.5 mm | 7.500 in ; Pressboard

PRB150-4A

Price Range
$3.5913 - $1.355

Stock Levels
111 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
$2.9385 - $1.1054

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 - 12.000 in inch pipe size Bolt Circle Diameter 619.3 mm | 24.380 in ; Pressboard

PRB2500-12A

Price Range
$19.4958 - $11.0538

Stock Levels
Request the lead time here
Attributes
  • Colour
    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 - 3/4 in inch pipe size Bolt Circle Diameter 95.3 mm | 3.750 in ; Pressboard

PRB2500-3/4A

Price Range
$3.125 - $1.1802

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 - 1-1/4 in inch pipe size Bolt Circle Diameter 98.4 mm | 3.875 in ; Pressboard

PRB300-1-1/4A

Price Range
$2.4486 - $0.9236

Stock Levels
18 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Class Pressure Rating
    600
  • 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
$19.2158 - $10.8905

Stock Levels
6 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • 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 ; Pressboard

PRB300-22A

Price Range
$42.8621 - $16.1843

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • 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 ; Pressboard

PRB300-2A

Price Range
$2.612 - $0.9914

Stock Levels
100 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    600
  • Class Pressure Rating
    300
  • Class Pressure Rating
    400
Bolt Hole Flange Protector - 32.000 in inch pipe size Bolt Circle Diameter 1054.1 mm | 41.500 in ; Pressboard

PRB300-32A

Price Range
$41.5566 - $23.5532

Stock Levels
20 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    32.000 in
  • Outside Diameter
    45.250 in
Bolt Hole Flange Protector - 1/2 in inch pipe size Bolt Circle Diameter 60.3 mm | 2.375 in ; HDPE

RFD150-1/2A

Price Range
$1.6887 - $0.6368

Stock Levels
139 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    1/2 in
  • Outside Diameter
    3.500 in
Bolt Hole Flange Protector - 3/4 in inch pipe size Bolt Circle Diameter 69.9 mm | 2.750 in ; HDPE

RFD150-3/4A

Price Range
$2.0267 - $0.765

Stock Levels
42 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    3/4 in
  • Outside Diameter
    3.875 in
Bolt Hole Flange Protector - 14.000 in inch pipe size Bolt Circle Diameter 635 mm | 25.000 in ; HDPE

RFL1500-14A

Price Range
$34.5137 - $19.5423

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    14.000 in
  • Outside Diameter
    29.500 in
Bolt Hole Flange Protector - 24.000 in inch pipe size Bolt Circle Diameter 990.6 mm | 39.000 in ; HDPE

RFL1500-24A

Price Range
$68.5607 - $38.9447

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    24.000 in
  • Outside Diameter
    46.000 in
Bolt Hole Flange Protector - 8.000 in inch pipe size Bolt Circle Diameter 330.2 mm | 13.000 in ; PP

PCF300-8A

Price Range
$7.8123 - $3.3116

Stock Levels
25 In stock
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    8.000 in
  • Outside Diameter
    15.000 in
Bolt Hole Flange Protector - 16.000 in inch pipe size Bolt Circle Diameter 603.3 mm | 23.750 in ; PP

PCF600-16A

Price Range
$20.9883 - $11.8701

Stock Levels
1 In stock
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    16.000 in
  • Outside Diameter
    27.000 in
Bolt Hole Flange Protector - 22.000 in inch pipe size Bolt Circle Diameter 777.9 mm | 30.625 in ; PP

PCF600-22A

Price Range
$43.8185 - $24.7194

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    22.000 in
  • Outside Diameter
    34.250 in
Bolt Hole Flange Protector - 32.000 in inch pipe size Bolt Circle Diameter 1079.5 mm | 42.500 in ; PP

PCF600-32A

Price Range
$41.1368 - $23.3201

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    32.000 in
  • Outside Diameter
    47.000 in
Bolt Hole Flange Protector - 18.000 in inch pipe size Bolt Circle Diameter 685.8 mm | 27.000 in ; PP

PCF900-18A

Price Range
$34.5137 - $19.5423

Stock Levels
192 In stock
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    18.000 in
  • Outside Diameter
    31.000 in
Bolt Hole Flange Protector - 1/2 in inch pipe size Bolt Circle Diameter 60.3 mm | 2.375 in ; Pressboard

PRB150-1/2A

Price Range
$1.7258 - $0.6507

Stock Levels
5 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    1/2 in
  • Outside Diameter
    3.500 in
Bolt Hole Flange Protector - 5.000 in inch pipe size Bolt Circle Diameter 235 mm | 9.250 in ; PP

PCF300-5A

Price Range
$5.2004 - $2.2107

Stock Levels
16 In stock
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    5.000 in
  • Outside Diameter
    11.000 in