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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
$23.3201 - $41.2763 Request the lead time here
900
42.750 in
26.000 in
$1.7865 - $4.7342 1307 In stock
900
9.500 in
3.000 in
$5.0139 - $11.8001 55 In stock
900
18.500 in
8.000 in
$0.8676 - $2.2947 Request the lead time here
150
4.250 in
1.000 in
$10.8209 - $19.146 1 In stock
1500
26.500 in
12.000 in
$31.9487 - $56.2715 7 In stock
1500
38.750 in
20.000 in
$5.3637 - $12.5931 Request the lead time here
1500
14.750 in
5.000 in
$8.7917 - $20.6849 50 In stock
150
19.000 in
12.000 in
$18.8195 - $33.2544 6 In stock
150
27.500 in
20.000 in
$30.7826 - $54.4757 18 In stock
150
34.250 in
26.000 in
$2.0778 - $5.5038 49 In stock
150
8.500 in
3-1/2 in
$16.1843 - $28.5671 8 In stock
900
33.750 in
20.000 in
$24.2529 - $42.7923 Request the lead time here
900
46.000 in
28.000 in
$1.9614 - $4.5939 Request the lead time here
900
11.500 in
4.000 in
$31.2491 - $55.152 12 In stock
150
36.500 in
28.000 in
$1.4739 - $3.8945 302 In stock
600
8.250 in
3.000 in
$2.612 - $6.1332 38 In stock
300
12.500 in
6.000 in
$4.6877 - $11.0073 29 In stock
600
16.500 in
8.000 in
$25.652 - $45.2175 Request the lead time here
1500
46.000 in
24.000 in
$2.8454 - $6.6696 Request the lead time here
1500
14.750 in
5.000 in
  • of 24
Bolt Hole Flange Protector - 26.000 in inch pipe size Bolt Circle Diameter 952.5 mm | 37.500 in ; Pressboard

PRB900-26A

Price Range
$41.2763 - $23.3201

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

PRB900-3A

Price Range
$4.7342 - $1.7865

Stock Levels
1307 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • 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 ; Pressboard

PRB900-8A

Price Range
$11.8001 - $5.0139

Stock Levels
55 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    8.000 in
  • Outside Diameter
    18.500 in
Bolt Hole Flange Protector - 1.000 in inch pipe size Bolt Circle Diameter 79.4 mm | 3.125 in ; HDPE

RFD150-1A

Price Range
$2.2947 - $0.8676

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    1.000 in
  • Outside Diameter
    4.250 in
Bolt Hole Flange Protector - 12.000 in inch pipe size Bolt Circle Diameter 571.5 mm | 22.500 in ; HDPE

RFL1500-12A

Price Range
$19.146 - $10.8209

Stock Levels
1 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • 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 831.9 mm | 32.750 in ; HDPE

RFL1500-20A

Price Range
$56.2715 - $31.9487

Stock Levels
7 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    20.000 in
  • Outside Diameter
    38.750 in
Bolt Hole Flange Protector - 5.000 in inch pipe size Bolt Circle Diameter 292.1 mm | 11.500 in ; HDPE

RFL1500-5A

Price Range
$12.5931 - $5.3637

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
$20.6849 - $8.7917

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
$33.2544 - $18.8195

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
$54.4757 - $30.7826

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
$5.5038 - $2.0778

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 - 20.000 in inch pipe size Bolt Circle Diameter 749.3 mm | 29.500 in ; Pressboard

PRB900-20A

Price Range
$28.5671 - $16.1843

Stock Levels
8 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    20.000 in
  • Outside Diameter
    33.750 in
Bolt Hole Flange Protector - 28.000 in inch pipe size Bolt Circle Diameter 1022.4 mm | 40.250 in ; Pressboard

PRB900-28A

Price Range
$42.7923 - $24.2529

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    28.000 in
  • Outside Diameter
    46.000 in
Bolt Hole Flange Protector - 4.000 in inch pipe size Bolt Circle Diameter 235 mm | 9.250 in ; Pressboard

PRB900-4A

Price Range
$4.5939 - $1.9614

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    4.000 in
  • Outside Diameter
    11.500 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
$55.152 - $31.2491

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 - 3.000 in inch pipe size Bolt Circle Diameter 168.3 mm | 6.625 in ; PP

PCF300-3A

Price Range
$3.8945 - $1.4739

Stock Levels
302 In stock
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    400
  • Class Pressure Rating
    300
  • Class Pressure Rating
    600
Bolt Hole Flange Protector - 6.000 in inch pipe size Bolt Circle Diameter 269.9 mm | 10.625 in ; PP

PCF300-6A

Price Range
$6.1332 - $2.612

Stock Levels
38 In stock
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    6.000 in
  • Outside Diameter
    12.500 in
Bolt Hole Flange Protector - 8.000 in inch pipe size Bolt Circle Diameter 349.3 mm | 13.750 in ; PP

PCF600-8A

Price Range
$11.0073 - $4.6877

Stock Levels
29 In stock
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    8.000 in
  • Outside Diameter
    16.500 in
Bolt Hole Flange Protector - 24.000 in inch pipe size Bolt Circle Diameter 990.6 mm | 39.000 in ; Pressboard

PRB1500-24A

Price Range
$45.2175 - $25.652

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    24.000 in
  • Outside Diameter
    46.000 in
Bolt Hole Flange Protector - 5.000 in inch pipe size Bolt Circle Diameter 292.1 mm | 11.500 in ; Pressboard

PRB1500-5A

Price Range
$6.6696 - $2.8454

Stock Levels
Request the lead time here
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    5.000 in
  • Outside Diameter
    14.750 in