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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
$33.7363 - $39.644 Request the lead time here
300
55.750 in
46.000 in
$23.0091 - $38.3382 24 In stock
300
40.750 in
28.000 in
$1.0697 - $2.6741 50 In stock
1500
6.250 in
1-1/4 in
$33.5808 - $39.5042 Request the lead time here
300
53.250 in
44.000 in
$29.0724 - $48.3192 Request the lead time here
400
47.500 in
38.000 in
$1.99 - $4.3998 150 In stock
600
10.750 in
4.000 in
$19.5887 - $32.6015 Request the lead time here
400
30.500 in
20.000 in
$23.0091 - $38.3846 Request the lead time here
400
40.750 in
28.000 in
$0.3545 - $0.7463 Request the lead time here
6
4.724 in
DN 32
$0.754 - $1.589 Request the lead time here
6
7.48 in
DN 80
$2.1456 - $4.5179 25 In stock
6
12.598 in
DN 200
$3.5914 - $7.96 35 In stock
600
14.000 in
6.000 in
$0.2457 - $0.5194 Request the lead time here
10
3.74 in
DN 15
$0.9469 - $2.5032 111 In stock
2500
5.500 in
3/4 in
$4.1977 - $9.8721 25 In stock
2500
19.000 in
6.000 in
$5.5191 - $12.9972 Request the lead time here
1500
19.000 in
8.000 in
$7.1826 - $12.6861 15 In stock
150
23.500 in
16.000 in
$17.4123 - $30.7825 17 In stock
150
29.500 in
22.000 in
RFL150-2A $0.9501 - $2.5186 1131 In stock
150
6.000 in
2.000 in
$15.2047 - $26.8182 Request the lead time here
150
41.750 in
32.000 in
  • of 24
Bolt Hole Flange Protector - 46.000 in inch pipe size Bolt Circle Diameter 1320.8 mm | 52.000 in ; HDPE

RFL300-46A

Price Range
$39.644 - $33.7363

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    46.000 in
  • Outside Diameter
    55.750 in
Bolt Hole Flange Protector - 28.000 in inch pipe size Bolt Circle Diameter 939.8 mm | 37.000 in ; HDPE

RFL300-28A

Price Range
$38.3382 - $23.0091

Stock Levels
24 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    28.000 in
  • Outside Diameter
    40.750 in
Bolt Hole Flange Protector - 1-1/4 in inch pipe size Bolt Circle Diameter 123.8 mm | 4.875 in ; HDPE

RFL900-1-1/4A

Price Range
$2.6741 - $1.0697

Stock Levels
50 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    900
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    1-1/4 in
Bolt Hole Flange Protector - 44.000 in inch pipe size Bolt Circle Diameter 1263.7 mm | 49.750 in ; HDPE

RFL300-44A

Price Range
$39.5042 - $33.5808

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    44.000 in
  • Outside Diameter
    53.250 in
Bolt Hole Flange Protector - 38.000 in inch pipe size Bolt Circle Diameter 1117.6 mm | 44.000 in ; HDPE

RFL400-38A

Price Range
$48.3192 - $29.0724

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    400
  • Compatible Nominal Pipe Sizes (All)
    38.000 in
  • Outside Diameter
    47.500 in
Bolt Hole Flange Protector - 4.000 in inch pipe size Bolt Circle Diameter 215.9 mm | 8.500 in ; HDPE

RFL600-4A

Price Range
$4.3998 - $1.99

Stock Levels
150 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    4.000 in
  • Outside Diameter
    10.750 in
Bolt Hole Flange Protector - 20.000 in inch pipe size Bolt Circle Diameter 685.8 mm | 27.000 in ; HDPE

RFL400-20A

Price Range
$32.6015 - $19.5887

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    400
  • Compatible Nominal Pipe Sizes (All)
    20.000 in
  • Outside Diameter
    30.500 in
Bolt Hole Flange Protector - 28.000 in inch pipe size Bolt Circle Diameter 939.8 mm | 37.000 in ; HDPE

RFL400-28A

Price Range
$38.3846 - $23.0091

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    400
  • Compatible Nominal Pipe Sizes (All)
    28.000 in
  • Outside Diameter
    40.750 in
Bolt Hole Flange Protector - DN 32 inch pipe size Bolt Circle Diameter 90.0 mm | 3.543 in ; Corrugated PP

PCL6DN32A

Price Range
$0.7463 - $0.3545

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    PolyCor Corrugated Polypropylene
  • Class Pressure Rating
    6
  • Compatible Nominal Pipe Sizes (All)
    DN 32
  • Outside Diameter
    4.724 in
Bolt Hole Flange Protector - DN 80 inch pipe size Bolt Circle Diameter 150.0 mm | 5.906 in ; Corrugated PP

PCL6DN80A

Price Range
$1.589 - $0.754

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    PolyCor Corrugated Polypropylene
  • Class Pressure Rating
    6
  • Compatible Nominal Pipe Sizes (All)
    DN 80
  • Outside Diameter
    7.48 in
Bolt Hole Flange Protector - DN 200 inch pipe size Bolt Circle Diameter 280.0 mm | 11.024 in ; Corrugated PP

PCL6DN200A

Price Range
$4.5179 - $2.1456

Stock Levels
25 In stock
Attributes
  • Color
    Black
  • Full Material
    PolyCor Corrugated Polypropylene
  • Class Pressure Rating
    6
  • Compatible Nominal Pipe Sizes (All)
    DN 200
  • Outside Diameter
    12.598 in
Bolt Hole Flange Protector - 6.000 in inch pipe size Bolt Circle Diameter 292.1 mm | 11.500 in ; HDPE

RFL600-6A

Price Range
$7.96 - $3.5914

Stock Levels
35 In stock
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    6.000 in
  • Outside Diameter
    14.000 in
Bolt Hole Flange Protector - DN 15 inch pipe size Bolt Circle Diameter 65.0 mm | 2.559 in ; Corrugated PP

PCL10162540DN15A

Price Range
$0.5194 - $0.2457

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    PolyCor Corrugated Polypropylene
  • Class Pressure Rating
    10
  • Compatible Nominal Pipe Sizes (All)
    DN 15
  • Outside Diameter
    3.74 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
Bolt Hole Flange Protector - 6.000 in inch pipe size Bolt Circle Diameter 368.3 mm | 14.500 in ; PP

PCF2500-6A

Price Range
$9.8721 - $4.1977

Stock Levels
25 In stock
Attributes
  • Color
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    2500
  • Compatible Nominal Pipe Sizes (All)
    6.000 in
  • Outside Diameter
    19.000 in
Bolt Hole Flange Protector - 8.000 in inch pipe size Bolt Circle Diameter 393.7 mm | 15.500 in ; HDPE

RFL1500-8A

Price Range
$12.9972 - $5.5191

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Full Material
    High-Density Polyethylene
  • Class Pressure Rating
    1500
  • Compatible Nominal Pipe Sizes (All)
    8.000 in
  • Outside Diameter
    19.000 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 - 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 - 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
1131 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 - 32.000 in inch pipe size Bolt Circle Diameter 977.9 mm | 38.500 in ; Pressboard

PRB150-32A

Price Range
$26.8182 - $15.2047

Stock Levels
Request the lead time here
Attributes
  • Color
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    32.000 in
  • Outside Diameter
    41.750 in