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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
$17.1013 - $45.1942 Request the lead time here
600
44.500 in
30.000 in
$1.8969 - $4.4464 Request the lead time here
600
14.000 in
6.000 in
$0.8552 - $2.2544 50 In stock
1500
7.000 in
1-1/2 in
$16.9459 - $30.0051 Request the lead time here
1500
36.000 in
18.000 in
$3.0626 - $7.1982 25 In stock
1500
12.250 in
4.000 in
$4.2132 - $9.9033 151 In stock
150
16.000 in
10.000 in
$10.8983 - $19.2312 50 In stock
150
25.000 in
18.000 in
$18.6561 - $33.0056 29 In stock
150
32.000 in
24.000 in
$1.7723 - $4.1977 Request the lead time here
900
13.750 in
5.000 in
$0.7479 - $1.99 300 In stock
150
5.000 in
1-1/2 in
RFL150-2A $0.9501 - $2.5186 931 In stock
150
6.000 in
2.000 in
$8.4574 - $14.9249 40 In stock
300
28.000 in
18.000 in
$19.0706 - $40.9655 Request the lead time here
300
33.000 in
22.000 in
$0.7369 - $1.959 829 In stock
600
6.500 in
2.000 in
$15.298 - $27.0047 Request the lead time here
300
45.250 in
32.000 in
$15.4535 - $27.2844 10 In stock
900
42.750 in
26.000 in
$0.4338 - $1.1505 50 In stock
150
3.875 in
3/4 in
$17.1013 - $45.1942 Request the lead time here
150
43.750 in
34.000 in
$1.191 - $3.1561 218 In stock
150
10.000 in
5.000 in
$0.6157 - $1.6324 18 In stock
600
5.250 in
1-1/4 in
  • of 24
Bolt Hole Flange Protector - 30.000 in inch pipe size Bolt Circle Diameter 1022.4 mm | 40.250 in ; Pressboard

PRB600-30A

Price Range
$45.1942 - $17.1013

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    30.000 in
  • Outside Diameter
    44.500 in
Bolt Hole Flange Protector - 6.000 in inch pipe size Bolt Circle Diameter 292.1 mm | 11.500 in ; Pressboard

PRB600-6A

Price Range
$4.4464 - $1.8969

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    6.000 in
  • Outside Diameter
    14.000 in
Bolt Hole Flange Protector - 1-1/2 in inch pipe size Bolt Circle Diameter 123.8 mm | 4.875 in ; Pressboard

PRB900-1-1/2A

Price Range
$2.2544 - $0.8552

Stock Levels
50 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    1500
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    1-1/2 in
Bolt Hole Flange Protector - 18.000 in inch pipe size Bolt Circle Diameter 774.7 mm | 30.500 in ; HDPE

RFL1500-18A

Price Range
$30.0051 - $16.9459

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    18.000 in
  • Outside Diameter
    36.000 in
Bolt Hole Flange Protector - 4.000 in inch pipe size Bolt Circle Diameter 241.3 mm | 9.500 in ; HDPE

RFL1500-4A

Price Range
$7.1982 - $3.0626

Stock Levels
25 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    4.000 in
  • Outside Diameter
    12.250 in
Bolt Hole Flange Protector - 10.000 in inch pipe size Bolt Circle Diameter 362 mm | 14.250 in ; HDPE

RFL150-10A

Price Range
$9.9033 - $4.2132

Stock Levels
151 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    10.000 in
  • Outside Diameter
    16.000 in
Bolt Hole Flange Protector - 18.000 in inch pipe size Bolt Circle Diameter 577.9 mm | 22.750 in ; HDPE

RFL150-18A

Price Range
$19.2312 - $10.8983

Stock Levels
50 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    18.000 in
  • Outside Diameter
    25.000 in
Bolt Hole Flange Protector - 24.000 in inch pipe size Bolt Circle Diameter 749.3 mm | 29.500 in ; HDPE

RFL150-24A

Price Range
$33.0056 - $18.6561

Stock Levels
29 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    24.000 in
  • Outside Diameter
    32.000 in
Bolt Hole Flange Protector - 5.000 in inch pipe size Bolt Circle Diameter 279.4 mm | 11.000 in ; Pressboard

PRB900-5A

Price Range
$4.1977 - $1.7723

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    5.000 in
  • Outside Diameter
    13.750 in
Bolt Hole Flange Protector - 1-1/2 in inch pipe size Bolt Circle Diameter 98.4 mm | 3.875 in ; HDPE

RFD150-1-1/2A

Price Range
$1.99 - $0.7479

Stock Levels
300 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    1-1/2 in
  • Outside Diameter
    5.000 in
Bolt Hole Flange Protector - 2.000 in inch pipe size Bolt Circle Diameter 120.7 mm | 4.750 in ; HDPE

RFL150-2A

Price Range
$2.5186 - $0.9501

Stock Levels
931 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    2.000 in
  • Outside Diameter
    6.000 in
Bolt Hole Flange Protector - 18.000 in inch pipe size Bolt Circle Diameter 628.7 mm | 24.750 in ; PP

PCF300-18A

Price Range
$14.9249 - $8.4574

Stock Levels
40 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • 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 ; PP

PCF300-22A

Price Range
$40.9655 - $19.0706

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • 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 ; PP

PCF300-2A

Price Range
$1.959 - $0.7369

Stock Levels
829 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    400
  • Class Pressure Rating
    300
  • Class Pressure Rating
    600
Bolt Hole Flange Protector - 32.000 in inch pipe size Bolt Circle Diameter 1054.1 mm | 41.500 in ; PP

PCF300-32A

Price Range
$27.0047 - $15.298

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    32.000 in
  • Outside Diameter
    45.250 in
Bolt Hole Flange Protector - 26.000 in inch pipe size Bolt Circle Diameter 952.5 mm | 37.500 in ; PP

PCF900-26A

Price Range
$27.2844 - $15.4535

Stock Levels
10 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    26.000 in
  • Outside Diameter
    42.750 in
Bolt Hole Flange Protector - 3/4 in inch pipe size Bolt Circle Diameter 69.9 mm | 2.750 in ; Pressboard

PRB150-3/4A

Price Range
$1.1505 - $0.4338

Stock Levels
50 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    3/4 in
  • Outside Diameter
    3.875 in
Bolt Hole Flange Protector - 34.000 in inch pipe size Bolt Circle Diameter 1028.7 mm | 40.500 in ; Pressboard

PRB150-34A

Price Range
$45.1942 - $17.1013

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    34.000 in
  • Outside Diameter
    43.750 in
Bolt Hole Flange Protector - 5.000 in inch pipe size Bolt Circle Diameter 215.9 mm | 8.500 in ; Pressboard

PRB150-5A

Price Range
$3.1561 - $1.191

Stock Levels
218 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    5.000 in
  • Outside Diameter
    10.000 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