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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
$1.191 - $3.1561 Request the lead time here
900
9.500 in
3.000 in
$10.7895 - $19.0447 Request the lead time here
900
33.750 in
20.000 in
$3.3426 - $7.8667 105 In stock
900
18.500 in
8.000 in
$0.7479 - $1.99 300 In stock
150
5.000 in
1-1/2 in
$4.2132 - $9.9033 151 In stock
150
16.000 in
10.000 in
$0.4245 - $1.1258 189 In stock
150
3.500 in
1/2 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
$3.5758 - $8.3954 Request the lead time here
1500
14.750 in
5.000 in
$7.1826 - $12.6861 15 In stock
150
23.500 in
16.000 in
$25.9631 - $45.7071 Request the lead time here
1500
46.000 in
24.000 in
$17.4123 - $30.7825 17 In stock
150
29.500 in
22.000 in
$12.5463 - $22.1696 100 In stock
150
27.500 in
20.000 in
$25.5145 - $47.7085 12 In stock
300
50.000 in
36.000 in
$3.1251 - $7.3382 79 In stock
600
16.500 in
8.000 in
$1.009 - $2.6741 29 In stock
1500
6.250 in
1-1/4 in
$16.635 - $43.9038 50 In stock
600
44.500 in
30.000 in
$2.5186 - $5.939 295 In stock
150
16.000 in
10.000 in
$3.6846 - $6.4984 10 In stock
150
21.000 in
14.000 in
PCF900-16A $7.105 - $12.5307 38 In stock
900
27.750 in
16.000 in
  • of 24
Bolt Hole Flange Protector - 3.000 in inch pipe size Bolt Circle Diameter 190.5 mm | 7.500 in ; Pressboard

PRB900-3A

Price Range
$3.1561 - $1.191

Stock Levels
Request the lead time here
Attributes
  • Color
    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 - 20.000 in inch pipe size Bolt Circle Diameter 749.3 mm | 29.500 in ; Pressboard

PRB900-20A

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)
    20.000 in
  • Outside Diameter
    33.750 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 - 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 - 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 - 1/2 in inch pipe size Bolt Circle Diameter 60.3 mm | 2.375 in ; HDPE

RFD150-1/2A

Price Range
$1.1258 - $0.4245

Stock Levels
189 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    1/2 in
  • Outside Diameter
    3.500 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 - 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 - 16.000 in inch pipe size Bolt Circle Diameter 539.8 mm | 21.250 in ; HDPE

RFL150-16A

Price Range
$12.6861 - $7.1826

Stock Levels
15 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    16.000 in
  • Outside Diameter
    23.500 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 - 22.000 in inch pipe size Bolt Circle Diameter 692.2 mm | 27.250 in ; HDPE

RFL150-22A

Price Range
$30.7825 - $17.4123

Stock Levels
17 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    22.000 in
  • Outside Diameter
    29.500 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 - 36.000 in inch pipe size Bolt Circle Diameter 1168.4 mm | 46.000 in ; PP

PCF300-36A

Price Range
$47.7085 - $25.5145

Stock Levels
12 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    36.000 in
  • Outside Diameter
    50.000 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
$7.3382 - $3.1251

Stock Levels
79 In stock
Attributes
  • Color
    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 - 1-1/4 in inch pipe size Bolt Circle Diameter 123.8 mm | 4.875 in ; PP

PCF900-1-1/4A

Price Range
$2.6741 - $1.009

Stock Levels
29 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    1500
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    1-1/4 in
Bolt Hole Flange Protector - 30.000 in inch pipe size Bolt Circle Diameter 1022.4 mm | 40.250 in ; PP

PCF600-30A

Price Range
$43.9038 - $16.635

Stock Levels
50 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    30.000 in
  • Outside Diameter
    44.500 in
Bolt Hole Flange Protector - 10.000 in inch pipe size Bolt Circle Diameter 362 mm | 14.250 in ; Pressboard

PRB150-10A

Price Range
$5.939 - $2.5186

Stock Levels
295 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    10.000 in
  • Outside Diameter
    16.000 in
Bolt Hole Flange Protector - 14.000 in inch pipe size Bolt Circle Diameter 476.3 mm | 18.750 in ; Pressboard

PRB150-14A

Price Range
$6.4984 - $3.6846

Stock Levels
10 In stock
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    14.000 in
  • Outside Diameter
    21.000 in
Bolt Hole Flange Protector - 16.000 in inch pipe size Bolt Circle Diameter 616 mm | 24.250 in ; PP

PCF900-16A

Price Range
$12.5307 - $7.105

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