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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)
  • Colour: 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
$4.5708 - $10.7973 32 In stock
150
19.000 in
12.000 in
$38.9447 - $68.7476 Request the lead time here
150
48.750 in
38.000 in
$20.6384 - $34.3973 Request the lead time here
300
25.500 in
16.000 in
$34.5137 - $57.5073 14 In stock
300
40.750 in
28.000 in
$42.4427 - $70.893 Request the lead time here
300
46.000 in
38.000 in
$3.1715 - $7.0427 14 In stock
300
11.000 in
5.000 in
$29.3831 - $48.9023 Request the lead time here
400
30.500 in
20.000 in
$1.1615 - $2.9151 67 In stock
600
4.875 in
1.000 in
$2.985 - $6.9962 142 In stock
600
13.000 in
5.000 in
$12.8495 - $22.6905 Request the lead time here
900
25.250 in
14.000 in
$5.9931 - $13.2693 30 In stock
300
15.000 in
8.000 in
$32.1816 - $53.7761 Request the lead time here
400
36.000 in
24.000 in
$34.5137 - $57.5769 Request the lead time here
400
40.750 in
28.000 in
$43.6086 - $51.3275 Request the lead time here
400
50.000 in
40.000 in
$0.3545 - $0.7487 Request the lead time here
6
3.543 in
DN 20
$1.7561 - $3.6987 Request the lead time here
6
9.449 in
DN 125
$40.8102 - $67.9313 18 In stock
600
42.250 in
28.000 in
$49.6718 - $58.44 11 In stock
600
55.250 in
42.000 in
$8.6193 - $18.1455 Request the lead time here
25
22.835 in
DN 350
$12.1895 - $25.6616 Request the lead time here
40
25.984 in
DN 400
  • of 24
Bolt Hole Flange Protector - 12.000 in inch pipe size Bolt Circle Diameter 431.8 mm | 17.000 in ; Pressboard

PRB150-12A

Price Range
$10.7973 - $4.5708

Stock Levels
32 In stock
Attributes
  • Colour
    Natural
  • Full Material
    Pressboard
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    12.000 in
  • Outside Diameter
    19.000 in
Bolt Hole Flange Protector - 38.000 in inch pipe size Bolt Circle Diameter 1149.4 mm | 45.250 in ; HDPE

RFL150-38A

Price Range
$68.7476 - $38.9447

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    150
  • Compatible Nominal Pipe Sizes (All)
    38.000 in
  • Outside Diameter
    48.750 in
Bolt Hole Flange Protector - 16.000 in inch pipe size Bolt Circle Diameter 571.5 mm | 22.500 in ; HDPE

RFL300-16A

Price Range
$34.3973 - $20.6384

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    16.000 in
  • Outside Diameter
    25.500 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
$57.5073 - $34.5137

Stock Levels
14 In stock
Attributes
  • Colour
    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 - 38.000 in inch pipe size Bolt Circle Diameter 1092.2 mm | 43.000 in ; HDPE

RFL300-38A

Price Range
$70.893 - $42.4427

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    38.000 in
  • Outside Diameter
    46.000 in
Bolt Hole Flange Protector - 5.000 in inch pipe size Bolt Circle Diameter 235 mm | 9.250 in ; HDPE

RFL300-5A

Price Range
$7.0427 - $3.1715

Stock Levels
14 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    5.000 in
  • Outside Diameter
    11.000 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
$48.9023 - $29.3831

Stock Levels
Request the lead time here
Attributes
  • Colour
    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 - 1.000 in inch pipe size Bolt Circle Diameter 88.9 mm | 3.500 in ; HDPE

RFL300-1A

Price Range
$2.9151 - $1.1615

Stock Levels
67 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    600
  • Class Pressure Rating
    400
  • Class Pressure Rating
    300
Bolt Hole Flange Protector - 5.000 in inch pipe size Bolt Circle Diameter 266.7 mm | 10.500 in ; PP

PCF600-5A

Price Range
$6.9962 - $2.985

Stock Levels
142 In stock
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    5.000 in
  • Outside Diameter
    13.000 in
Bolt Hole Flange Protector - 14.000 in inch pipe size Bolt Circle Diameter 558.8 mm | 22.000 in ; PP

PCF900-14A

Price Range
$22.6905 - $12.8495

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    Polypropylene
  • Class Pressure Rating
    900
  • Compatible Nominal Pipe Sizes (All)
    14.000 in
  • Outside Diameter
    25.250 in
Bolt Hole Flange Protector - 8.000 in inch pipe size Bolt Circle Diameter 330.2 mm | 13.000 in ; HDPE

RFL300-8A

Price Range
$13.2693 - $5.9931

Stock Levels
30 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    300
  • Compatible Nominal Pipe Sizes (All)
    8.000 in
  • Outside Diameter
    15.000 in
Bolt Hole Flange Protector - 24.000 in inch pipe size Bolt Circle Diameter 812.8 mm | 32.000 in ; HDPE

RFL400-24A

Price Range
$53.7761 - $32.1816

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    400
  • Compatible Nominal Pipe Sizes (All)
    24.000 in
  • Outside Diameter
    36.000 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
$57.5769 - $34.5137

Stock Levels
Request the lead time here
Attributes
  • Colour
    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 - 40.000 in inch pipe size Bolt Circle Diameter 1174.8 mm | 46.250 in ; HDPE

RFL400-40A

Price Range
$51.3275 - $43.6086

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    400
  • Compatible Nominal Pipe Sizes (All)
    40.000 in
  • Outside Diameter
    50.000 in
Bolt Hole Flange Protector - DN 20 inch pipe size Bolt Circle Diameter 65.0 mm | 2.559 in ; Corrugated PP

PCL6DN20A

Price Range
$0.7487 - $0.3545

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    PolyCor Corrugated Polypropylene
  • Class Pressure Rating
    6
  • Compatible Nominal Pipe Sizes (All)
    DN 20
  • Outside Diameter
    3.543 in
Bolt Hole Flange Protector - DN 125 inch pipe size Bolt Circle Diameter 200.0 mm | 7.874 in ; Corrugated PP

PCL6DN125A

Price Range
$3.6987 - $1.7561

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    PolyCor Corrugated Polypropylene
  • Class Pressure Rating
    6
  • Compatible Nominal Pipe Sizes (All)
    DN 125
  • Outside Diameter
    9.449 in
Bolt Hole Flange Protector - 28.000 in inch pipe size Bolt Circle Diameter 965.2 mm | 38.000 in ; HDPE

RFL600-28A

Price Range
$67.9313 - $40.8102

Stock Levels
18 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    28.000 in
  • Outside Diameter
    42.250 in
Bolt Hole Flange Protector - 42.000 in inch pipe size Bolt Circle Diameter 1282.7 mm | 50.500 in ; HDPE

RFL600-42A

Price Range
$58.44 - $49.6718

Stock Levels
11 In stock
Attributes
  • Colour
    Black
  • Full Material
    High Density Polyethylene
  • Class Pressure Rating
    600
  • Compatible Nominal Pipe Sizes (All)
    42.000 in
  • Outside Diameter
    55.250 in
Bolt Hole Flange Protector - DN 350 inch pipe size Bolt Circle Diameter 510.0 mm | 20.079 in ; Corrugated PP

PCL25DN350A

Price Range
$18.1455 - $8.6193

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    PolyCor Corrugated Polypropylene
  • Class Pressure Rating
    25
  • Compatible Nominal Pipe Sizes (All)
    DN 350
  • Outside Diameter
    22.835 in
Bolt Hole Flange Protector - DN 400 inch pipe size Bolt Circle Diameter 585.0 mm | 23.031 in ; Corrugated PP

PCL40DN400A

Price Range
$25.6616 - $12.1895

Stock Levels
Request the lead time here
Attributes
  • Colour
    Black
  • Full Material
    PolyCor Corrugated Polypropylene
  • Class Pressure Rating
    40
  • Compatible Nominal Pipe Sizes (All)
    DN 400
  • Outside Diameter
    25.984 in