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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
$0.7868 - $2.0833 Request the lead time here
2500
6.250 in
1.000 in
$0.6157 - $1.6324 18 In stock
600
5.250 in
1-1/4 in
$10.7895 - $28.5747 Request the lead time here
300
33.000 in
22.000 in
$15.7021 - $27.7044 Request the lead time here
300
45.250 in
32.000 in
$4.8039 - $8.4574 130 In stock
600
22.000 in
12.000 in
$25.9631 - $45.7071 Request the lead time here
1500
46.000 in
24.000 in
$6.623 - $11.6756 18 In stock
150
21.000 in
14.000 in
$20.8327 - $36.768 19 In stock
150
36.500 in
28.000 in
$1.0214 - $2.7051 Request the lead time here
2500
9.250 in
2.000 in
$3.1251 - $7.3382 50 In stock
300
17.500 in
10.000 in
$3.3426 - $7.8667 105 In stock
900
18.500 in
8.000 in
RFL1500-12A $7.2139 - $12.764 261 In stock
1500
26.500 in
12.000 in
$3.5758 - $8.3954 Request the lead time here
1500
14.750 in
5.000 in
$12.5463 - $22.1696 100 In stock
150
27.500 in
20.000 in
$1.3852 - $3.6692 49 In stock
150
8.500 in
3-1/2 in
PCF150-8A $1.85 - $4.3687 1005 In stock
150
13.500 in
8.000 in
$1.4738 - $3.4669 11 In stock
2500
12.000 in
3.000 in
$16.1686 - $28.5282 Request the lead time here
900
46.000 in
28.000 in
$13.1059 - $23.118 Request the lead time here
1500
32.500 in
16.000 in
$3.809 - $8.9861 45 In stock
1500
19.000 in
8.000 in
  • of 24
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
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
$1.6324 - $0.6157

Stock Levels
18 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Class Pressure Rating
    600
  • Class Pressure Rating
    400
Bolt Hole Flange Protector - 22.000 in inch pipe size Bolt Circle Diameter 743 mm | 29.250 in ; Pressboard

PRB300-22A

Price Range
$28.5747 - $10.7895

Stock Levels
Request the lead time here
Attributes
  • Color
    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 - 32.000 in inch pipe size Bolt Circle Diameter 1054.1 mm | 41.500 in ; Pressboard

PRB300-32A

Price Range
$27.7044 - $15.7021

Stock Levels
Request the lead time here
Attributes
  • Color
    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 - 12.000 in inch pipe size Bolt Circle Diameter 489 mm | 19.250 in ; Pressboard

PRB600-12A

Price Range
$8.4574 - $4.8039

Stock Levels
130 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    12.000 in
  • Outside Diameter
    22.000 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
$45.7071 - $25.9631

Stock Levels
Request the lead time here
Attributes
  • Color
    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 - 14.000 in inch pipe size Bolt Circle Diameter 476.3 mm | 18.750 in ; HDPE

RFL150-14A

Price Range
$11.6756 - $6.623

Stock Levels
18 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    14.000 in
  • Outside Diameter
    21.000 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
$36.768 - $20.8327

Stock Levels
19 In stock
Attributes
  • Color
    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 - 2.000 in inch pipe size Bolt Circle Diameter 171.5 mm | 6.750 in ; Pressboard

PRB2500-2A

Price Range
$2.7051 - $1.0214

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    2.000 in
  • Outside Diameter
    9.250 in
Bolt Hole Flange Protector - 10.000 in inch pipe size Bolt Circle Diameter 387.4 mm | 15.250 in ; Pressboard

PRB300-10A

Price Range
$7.3382 - $3.1251

Stock Levels
50 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    10.000 in
  • Outside Diameter
    17.500 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
$7.8667 - $3.3426

Stock Levels
105 In stock
Attributes
  • Color
    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 - 12.000 in inch pipe size Bolt Circle Diameter 571.5 mm | 22.500 in ; HDPE

RFL1500-12A

Price Range
$12.764 - $7.2139

Stock Levels
261 In stock
Attributes
  • Color
    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 - 5.000 in inch pipe size Bolt Circle Diameter 292.1 mm | 11.500 in ; HDPE

RFL1500-5A

Price Range
$8.3954 - $3.5758

Stock Levels
Request the lead time here
Attributes
  • Color
    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 - 20.000 in inch pipe size Bolt Circle Diameter 635 mm | 25.000 in ; HDPE

RFL150-20A

Price Range
$22.1696 - $12.5463

Stock Levels
100 In stock
Attributes
  • Color
    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 - 3-1/2 in inch pipe size Bolt Circle Diameter 177.8 mm | 7.000 in ; HDPE

RFL150-3-1/2A

Price Range
$3.6692 - $1.3852

Stock Levels
49 In stock
Attributes
  • Color
    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 - 8.000 in inch pipe size Bolt Circle Diameter 298.5 mm | 11.750 in ; PP

PCF150-8A

Price Range
$4.3687 - $1.85

Stock Levels
1005 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    8.000 in
  • Outside Diameter
    13.500 in
Bolt Hole Flange Protector - 3.000 in inch pipe size Bolt Circle Diameter 228.6 mm | 9.000 in ; Pressboard

PRB2500-3A

Price Range
$3.4669 - $1.4738

Stock Levels
11 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    3.000 in
  • Outside Diameter
    12.000 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
$28.5282 - $16.1686

Stock Levels
Request the lead time here
Attributes
  • Color
    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 - 16.000 in inch pipe size Bolt Circle Diameter 704.9 mm | 27.750 in ; PP

PCF1500-16A

Price Range
$23.118 - $13.1059

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    16.000 in
  • Outside Diameter
    32.500 in
Bolt Hole Flange Protector - 8.000 in inch pipe size Bolt Circle Diameter 393.7 mm | 15.500 in ; PP

PCF1500-8A

Price Range
$8.9861 - $3.809

Stock Levels
45 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    8.000 in
  • Outside Diameter
    19.000 in