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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
$0.7369 - $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
$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 100 In stock
150
25.000 in
18.000 in
$18.6561 - $33.0056 29 In stock
150
32.000 in
24.000 in
$20.988 - $36.9233 69 In stock
150
38.750 in
30.000 in
$2.0522 - $4.835 3700 In stock
2500
14.000 in
4.000 in
$4.0111 - $7.0738 10 In stock
2500
21.750 in
8.000 in
$0.7369 - $1.959 169 In stock
600
6.125 in
1-1/2 in
$8.4574 - $14.9249 40 In stock
300
28.000 in
18.000 in
PCF300-20A $14.987 - $26.4606 10 In stock
300
30.500 in
20.000 in
$16.635 - $43.9038 Request the lead time here
300
38.250 in
26.000 in
$20.8327 - $55.2063 13 In stock
300
43.000 in
30.000 in
$1.452 - $3.8402 862 In stock
1500
9.625 in
2-1/2 in
$1.2314 - $3.2648 50 In stock
1500
8.500 in
2.000 in
$1.99 - $4.6641 25 In stock
900
13.750 in
5.000 in
  • of 24
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 - 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
100 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 - 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 - 4.000 in inch pipe size Bolt Circle Diameter 273.1 mm | 10.750 in ; PP

PCF2500-4A

Price Range
$4.835 - $2.0522

Stock Levels
3700 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    4.000 in
  • Outside Diameter
    14.000 in
Bolt Hole Flange Protector - 8.000 in inch pipe size Bolt Circle Diameter 438.2 mm | 17.250 in ; PP

PCF2500-8A

Price Range
$7.0738 - $4.0111

Stock Levels
10 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    8.000 in
  • Outside Diameter
    21.750 in
Bolt Hole Flange Protector - 1-1/2 in inch pipe size Bolt Circle Diameter 114.3 mm | 4.500 in ; PP

PCF300-1-1/2A

Price Range
$1.959 - $0.7369

Stock Levels
169 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    400
  • Class Pressure Rating
    600
  • Class Pressure Rating
    300
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 - 20.000 in inch pipe size Bolt Circle Diameter 685.8 mm | 27.000 in ; PP

PCF300-20A

Price Range
$26.4606 - $14.987

Stock Levels
10 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    20.000 in
  • Outside Diameter
    30.500 in
Bolt Hole Flange Protector - 26.000 in inch pipe size Bolt Circle Diameter 876.3 mm | 34.500 in ; PP

PCF300-26A

Price Range
$43.9038 - $16.635

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

PCF300-30A

Price Range
$55.2063 - $20.8327

Stock Levels
13 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    30.000 in
  • Outside Diameter
    43.000 in
Bolt Hole Flange Protector - 2-1/2 in inch pipe size Bolt Circle Diameter 190.5 mm | 7.500 in ; PP

PCF900-2-1/2A

Price Range
$3.8402 - $1.452

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

PCF900-2A

Price Range
$3.2648 - $1.2314

Stock Levels
50 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    1500
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    2.000 in
Bolt Hole Flange Protector - 5.000 in inch pipe size Bolt Circle Diameter 279.4 mm | 11.000 in ; PP

PCF900-5A

Price Range
$4.6641 - $1.99

Stock Levels
25 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    5.000 in
  • Outside Diameter
    13.750 in