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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
$5.8652 - $13.0338 Request the lead time here
1500
14.750 in
5.000 in
$9.6449 - $21.4088 50 In stock
150
19.000 in
12.000 in
$20.6367 - $34.4183 6 In stock
150
27.500 in
20.000 in
$33.8222 - $56.3823 18 In stock
150
34.250 in
26.000 in
$2.2809 - $5.6964 49 In stock
150
8.500 in
3-1/2 in
$2.4332 - $6.0824 21 In stock
2500
9.250 in
2.000 in
$34.235 - $57.0824 12 In stock
150
36.500 in
28.000 in
$10.1445 - $16.8711 1 In stock
1500
26.500 in
12.000 in
PCF300-12A $6.5819 - $10.9821 133 In stock
300
20.500 in
12.000 in
$25.5023 - $42.504 Request the lead time here
900
46.000 in
28.000 in
$23.7212 - $39.5591 Request the lead time here
150
46.000 in
36.000 in
$2.0301 - $4.7547 125 In stock
150
11.000 in
6.000 in
$1.4861 - $3.717 Request the lead time here
2500
8.000 in
1-1/2 in
$2.1485 - $4.7547 Request the lead time here
2500
10.500 in
2-1/2 in
$2.9763 - $6.6135 Request the lead time here
2500
14.000 in
4.000 in
$0.7127 - $1.7862 25 In stock
600
3.750 in
1/2 in
$6.126 - $10.2098 7 In stock
300
20.500 in
12.000 in
$0.7758 - $1.9409 50 In stock
600
4.875 in
1.000 in
$19.1378 - $31.884 Request the lead time here
300
36.000 in
24.000 in
$0.7758 - $1.9409 31 In stock
600
4.625 in
3/4 in
  • of 24
Bolt Hole Flange Protector - 5.000 in inch pipe size Bolt Circle Diameter 292.1 mm | 11.500 in ; HDPE

RFL1500-5A

Price Range
$13.0338 - $5.8652

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    5.000 in
  • Outside Diameter
    14.750 in
Bolt Hole Flange Protector - 12.000 in inch pipe size Bolt Circle Diameter 431.8 mm | 17.000 in ; HDPE

RFL150-12A

Price Range
$21.4088 - $9.6449

Stock Levels
50 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    12.000 in
  • Outside Diameter
    19.000 in
Bolt Hole Flange Protector - 20.000 in inch pipe size Bolt Circle Diameter 635 mm | 25.000 in ; HDPE

RFL150-20A

Price Range
$34.4183 - $20.6367

Stock Levels
6 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    20.000 in
  • Outside Diameter
    27.500 in
Bolt Hole Flange Protector - 26.000 in inch pipe size Bolt Circle Diameter 806.5 mm | 31.750 in ; HDPE

RFL150-26A

Price Range
$56.3823 - $33.8222

Stock Levels
18 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    26.000 in
  • Outside Diameter
    34.250 in
Bolt Hole Flange Protector - 3-1/2 in inch pipe size Bolt Circle Diameter 177.8 mm | 7.000 in ; HDPE

RFL150-3-1/2A

Price Range
$5.6964 - $2.2809

Stock Levels
49 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    3-1/2 in
  • Outside Diameter
    8.500 in
Bolt Hole Flange Protector - 2.000 in inch pipe size Bolt Circle Diameter 171.5 mm | 6.750 in ; PP

PCF2500-2A

Price Range
$6.0824 - $2.4332

Stock Levels
21 In stock
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    2.000 in
  • Outside Diameter
    9.250 in
Bolt Hole Flange Protector - 28.000 in inch pipe size Bolt Circle Diameter 863.6 mm | 34.000 in ; HDPE

RFL150-28A

Price Range
$57.0824 - $34.235

Stock Levels
12 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    28.000 in
  • Outside Diameter
    36.500 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
$16.8711 - $10.1445

Stock Levels
1 In stock
Attributes
  • Colour
    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 - 12.000 in inch pipe size Bolt Circle Diameter 450.9 mm | 17.750 in ; PP

PCF300-12A

Price Range
$10.9821 - $6.5819

Stock Levels
133 In stock
Attributes
  • Colour
    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 - 28.000 in inch pipe size Bolt Circle Diameter 1022.4 mm | 40.250 in ; PP

PCF900-28A

Price Range
$42.504 - $25.5023

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    28.000 in
  • Outside Diameter
    46.000 in
Bolt Hole Flange Protector - 36.000 in inch pipe size Bolt Circle Diameter 1085.9 mm | 42.750 in ; Pressboard

PRB150-36A

Price Range
$39.5591 - $23.7212

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    36.000 in
  • Outside Diameter
    46.000 in
Bolt Hole Flange Protector - 6.000 in inch pipe size Bolt Circle Diameter 241.3 mm | 9.500 in ; Pressboard

PRB150-6A

Price Range
$4.7547 - $2.0301

Stock Levels
125 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    6.000 in
  • Outside Diameter
    11.000 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
$3.717 - $1.4861

Stock Levels
Request the lead time here
Attributes
  • Colour
    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 - 2-1/2 in inch pipe size Bolt Circle Diameter 196.9 mm | 7.750 in ; Pressboard

PRB2500-2-1/2A

Price Range
$4.7547 - $2.1485

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    2-1/2 in
  • Outside Diameter
    10.500 in
Bolt Hole Flange Protector - 4.000 in inch pipe size Bolt Circle Diameter 273.1 mm | 10.750 in ; Pressboard

PRB2500-4A

Price Range
$6.6135 - $2.9763

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

PRB300-1/2A

Price Range
$1.7862 - $0.7127

Stock Levels
25 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    600
  • Class Pressure Rating
    400
  • Class Pressure Rating
    300
Bolt Hole Flange Protector - 12.000 in inch pipe size Bolt Circle Diameter 450.9 mm | 17.750 in ; Pressboard

PRB300-12A

Price Range
$10.2098 - $6.126

Stock Levels
7 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    12.000 in
  • Outside Diameter
    20.500 in
Bolt Hole Flange Protector - 1.000 in inch pipe size Bolt Circle Diameter 88.9 mm | 3.500 in ; Pressboard

PRB300-1A

Price Range
$1.9409 - $0.7758

Stock Levels
50 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    400
  • Class Pressure Rating
    300
  • Class Pressure Rating
    600
Bolt Hole Flange Protector - 24.000 in inch pipe size Bolt Circle Diameter 812.8 mm | 32.000 in ; Pressboard

PRB300-24A

Price Range
$31.884 - $19.1378

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    24.000 in
  • Outside Diameter
    36.000 in
Bolt Hole Flange Protector - 3/4 in inch pipe size Bolt Circle Diameter 82.6 mm | 3.250 in ; Pressboard

PRB300-3/4A

Price Range
$1.9409 - $0.7758

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