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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
$16.9459 - $44.8988 Request the lead time here
300
38.250 in
26.000 in
$17.1013 - $30.145 Request the lead time here
300
43.000 in
30.000 in
$0.9033 - $2.3942 875 In stock
600
8.250 in
3.000 in
$1.8969 - $4.4464 25 In stock
300
15.000 in
8.000 in
$6.5763 - $11.598 Request the lead time here
600
27.000 in
16.000 in
$12.4995 - $22.0608 Request the lead time here
600
37.000 in
24.000 in
$15.8578 - $28.0774 Request the lead time here
600
47.000 in
32.000 in
PRB600-8A $2.5186 - $5.939 88 In stock
600
16.500 in
8.000 in
$0.7868 - $2.0833 Request the lead time here
1500
6.250 in
1-1/4 in
$10.7895 - $19.0447 Request the lead time here
900
31.000 in
18.000 in
$15.4535 - $27.2689 Request the lead time here
900
41.000 in
24.000 in
$0.7369 - $1.959 Request the lead time here
1500
5.125 in
3/4 in
$2.5032 - $5.8768 25 In stock
900
15.000 in
6.000 in
$0.6639 - $1.7568 50 In stock
150
4.625 in
1-1/4 in
RFL1500-10A $6.6385 - $11.7068 Request the lead time here
1500
23.000 in
10.000 in
$6.4674 - $11.4112 Request the lead time here
900
27.750 in
16.000 in
$1.0775 - $2.8451 Request the lead time here
1500
9.625 in
2-1/2 in
$0.9033 - $2.3942 200 In stock
1500
8.500 in
2.000 in
$20.988 - $36.9233 69 In stock
150
38.750 in
30.000 in
$0.9469 - $2.5032 111 In stock
2500
5.500 in
3/4 in
  • of 24
Bolt Hole Flange Protector - 26.000 in inch pipe size Bolt Circle Diameter 876.3 mm | 34.500 in ; Pressboard

PRB300-26A

Price Range
$44.8988 - $16.9459

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    26.000 in
  • Outside Diameter
    38.250 in
Bolt Hole Flange Protector - 30.000 in inch pipe size Bolt Circle Diameter 997 mm | 39.250 in ; Pressboard

PRB300-30A

Price Range
$30.145 - $17.1013

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    30.000 in
  • Outside Diameter
    43.000 in
Bolt Hole Flange Protector - 3.000 in inch pipe size Bolt Circle Diameter 168.3 mm | 6.625 in ; Pressboard

PRB300-3A

Price Range
$2.3942 - $0.9033

Stock Levels
875 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    400
  • Class Pressure Rating
    600
  • Class Pressure Rating
    300
Bolt Hole Flange Protector - 8.000 in inch pipe size Bolt Circle Diameter 330.2 mm | 13.000 in ; Pressboard

PRB300-8A

Price Range
$4.4464 - $1.8969

Stock Levels
25 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • 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 ; Pressboard

PRB600-16A

Price Range
$11.598 - $6.5763

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    16.000 in
  • Outside Diameter
    27.000 in
Bolt Hole Flange Protector - 24.000 in inch pipe size Bolt Circle Diameter 838.2 mm | 33.000 in ; Pressboard

PRB600-24A

Price Range
$22.0608 - $12.4995

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    24.000 in
  • Outside Diameter
    37.000 in
Bolt Hole Flange Protector - 32.000 in inch pipe size Bolt Circle Diameter 1079.5 mm | 42.500 in ; Pressboard

PRB600-32A

Price Range
$28.0774 - $15.8578

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    32.000 in
  • Outside Diameter
    47.000 in
Bolt Hole Flange Protector - 8.000 in inch pipe size Bolt Circle Diameter 349.3 mm | 13.750 in ; Pressboard

PRB600-8A

Price Range
$5.939 - $2.5186

Stock Levels
88 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    8.000 in
  • Outside Diameter
    16.500 in
Bolt Hole Flange Protector - 1-1/4 in inch pipe size Bolt Circle Diameter 123.8 mm | 4.875 in ; Pressboard

PRB900-1-1/4A

Price Range
$2.0833 - $0.7868

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    1-1/4 in
Bolt Hole Flange Protector - 18.000 in inch pipe size Bolt Circle Diameter 685.8 mm | 27.000 in ; Pressboard

PRB900-18A

Price Range
$19.0447 - $10.7895

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    18.000 in
  • Outside Diameter
    31.000 in
Bolt Hole Flange Protector - 24.000 in inch pipe size Bolt Circle Diameter 901.7 mm | 35.500 in ; Pressboard

PRB900-24A

Price Range
$27.2689 - $15.4535

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    24.000 in
  • Outside Diameter
    41.000 in
Bolt Hole Flange Protector - 3/4 in inch pipe size Bolt Circle Diameter 88.9 mm | 3.500 in ; Pressboard

PRB900-3/4A

Price Range
$1.959 - $0.7369

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    1500
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    3/4 in
Bolt Hole Flange Protector - 6.000 in inch pipe size Bolt Circle Diameter 317.5 mm | 12.500 in ; Pressboard

PRB900-6A

Price Range
$5.8768 - $2.5032

Stock Levels
25 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    6.000 in
  • Outside Diameter
    15.000 in
Bolt Hole Flange Protector - 1-1/4 in inch pipe size Bolt Circle Diameter 88.9 mm | 3.500 in ; HDPE

RFD150-1-1/4A

Price Range
$1.7568 - $0.6639

Stock Levels
50 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    1-1/4 in
  • Outside Diameter
    4.625 in
Bolt Hole Flange Protector - 10.000 in inch pipe size Bolt Circle Diameter 482.6 mm | 19.000 in ; HDPE

RFL1500-10A

Price Range
$11.7068 - $6.6385

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    10.000 in
  • Outside Diameter
    23.000 in
Bolt Hole Flange Protector - 16.000 in inch pipe size Bolt Circle Diameter 616 mm | 24.250 in ; Pressboard

PRB900-16A

Price Range
$11.4112 - $6.4674

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    16.000 in
  • Outside Diameter
    27.750 in
Bolt Hole Flange Protector - 2-1/2 in inch pipe size Bolt Circle Diameter 190.5 mm | 7.500 in ; Pressboard

PRB900-2-1/2A

Price Range
$2.8451 - $1.0775

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    2-1/2 in
Bolt Hole Flange Protector - 2.000 in inch pipe size Bolt Circle Diameter 165.1 mm | 6.500 in ; Pressboard

PRB900-2A

Price Range
$2.3942 - $0.9033

Stock Levels
200 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    1500
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    2.000 in
Bolt Hole Flange Protector - 30.000 in inch pipe size Bolt Circle Diameter 914.4 mm | 36.000 in ; HDPE

RFL150-30A

Price Range
$36.9233 - $20.988

Stock Levels
69 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    30.000 in
  • Outside Diameter
    38.750 in
Bolt Hole Flange Protector - 3/4 in inch pipe size Bolt Circle Diameter 95.3 mm | 3.750 in ; PP

PCF2500-3/4A

Price Range
$2.5032 - $0.9469

Stock Levels
111 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    3/4 in
  • Outside Diameter
    5.500 in