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Pipe Caps

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A range of Pipe Caps that protect threaded and non-threaded NPT pipe ends. The cap is sized and designed for positive-gripping power over the outside diameter of the pipe.

The cap eliminates the ingress of contaminants and foreign materials, as well as protecting the pipe end from damage. Several styles with special features are available in this range.

This includes caps that have a vent hole for the prevention of pressure build up inside the pipe, which may otherwise force the cap off. The range also features lightweight options with internal rings to help reinforce a positive-grip and heavy duty caps with a thicker base for added protection over the outside diameter of the pipe.

  • Material: Polyethylene (PE)
  • Colors: Black, Blue, Orange, Red and Yellow

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65 results
Product SKUs information
Item Code Price range Availability Inside Diameter View
$1.6636 - $20.8327 1400 In stock
4.000 in
$0.1711 - $2.2231 59491 In stock
1.660 in
$0.2846 - $3.5603 19800 In stock
0.840 in
$0.2737 - $3.4047 7186 In stock
0.675 in
$0.1914 - $2.472 52220 In stock
1.910 in
RRC3F $0.6888 - $8.9548 5600 In stock
3.470 in
RRC30A $41.2245 - $113.823 Request the lead time here
30.000 in
$0.9415 - $12.2152 1655 In stock
4.000 in
$0.3266 - $4.0734 7007 In stock
1.900 in
RRC18E $12.7482 - $35.1666 1568 In stock
18.000 in
RRC4A $1.0059 - $13.0646 25812 In stock
4.500 in
$0.5784 - $6.7104 Request the lead time here
2.860 in
$0.1362 - $1.6947 25945 In stock
0.675 in
NPS4B $1.99 - $24.8748 80 In stock
4.500 in
RRC24A $20.8512 - $39.076 962 In stock
24.000 in
$2.4409 - $31.6063 614 In stock
5.630 in
$0.0617 - $0.7556 33738 In stock
0.516 in
RRC2A $0.2752 - $3.5758 236892 In stock
2.378 in
$6.8718 - $18.9826 864 In stock
12.600 in
$0.0795 - $1.0323 16946 In stock
0.660 in
  • of 4
Standard Sizes Pipe Cap - Inside Diameter - 101.6 mm | 4.000 in Inside Height - 40.5 mm | 1.594 in Black

NPS3-1/2B

Price Range
$20.8327 - $1.6636

Stock Levels
1400 In stock
Attributes
  • Color
    Black
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
  • Vent Hole
    No
Standard Sizes Pipe Cap - Inside Diameter - 42.2 mm | 1.660 in Inside Height - 23.4 mm | 0.920 in Red

RRC1-1/4A

Price Range
$2.2231 - $0.1711

Stock Levels
59491 In stock
Attributes
  • Color
    Red
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
  • Vent Hole
    No
Standard Sizes Pipe Cap - Inside Diameter - 21.3 mm | 0.840 in Inside Height - 20.7 mm | 0.813 in Black

NPS1/2B

Price Range
$3.5603 - $0.2846

Stock Levels
19800 In stock
Attributes
  • Color
    Black
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
  • Vent Hole
    No
Standard Sizes Pipe Cap - Inside Diameter - 17.1 mm | 0.675 in Inside Height - 20.7 mm | 0.813 in Black

NPS3/8B

Price Range
$3.4047 - $0.2737

Stock Levels
7186 In stock
Attributes
  • Color
    Black
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
  • Vent Hole
    No
Standard Sizes Pipe Cap - Inside Diameter - 48.5 mm | 1.910 in Inside Height - 23.5 mm | 0.925 in Black

RRC1-1/2A

Price Range
$2.472 - $0.1914

Stock Levels
52220 In stock
Attributes
  • Color
    Black
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
  • Vent Hole
    No
Standard Sizes Pipe Cap - Inside Diameter - 88.1 mm | 3.470 in ; Inside Height - 44.5 mm | 1.750 in ; Orange

RRC3F

Price Range
$8.9548 - $0.6888

Stock Levels
5600 In stock
Attributes
  • Color
    Orange
  • Compatible Nominal Pipe Sizes (All)
    NPT 3
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
Standard Sizes Pipe Cap - Inside Diameter - 762 mm | 30.000 in Inside Height - 117.5 mm | 4.625 in Black

RRC30A

Price Range
$113.823 - $41.2245

Stock Levels
Request the lead time here
Attributes
  • Color
    Black
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
  • Vent Hole
    No
N/A - Inside Diameter - 101.6 mm | 4.000 in ; Inside Height - 44.5 mm | 1.750 in ; Orange

RRC3-1/2E

Price Range
$12.2152 - $0.9415

Stock Levels
1655 In stock
Attributes
  • Color
    Orange
  • Compatible Nominal Pipe Sizes (All)
    NPT 3-1/2
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
Standard Sizes Pipe Cap - Inside Diameter - 48.3 mm | 1.900 in Inside Height - 37.2 mm | 1.465 in Black

CEX1-1/2C

Price Range
$4.0734 - $0.3266

Stock Levels
7007 In stock
Attributes
  • Color
    Black
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
  • Vent Hole
    No
Standard Sizes Pipe Cap - Inside Diameter - 457.2 mm | 18.000 in Inside Height - 85.7 mm | 3.375 in Black

RRC18E

Price Range
$35.1666 - $12.7482

Stock Levels
1568 In stock
Attributes
  • Color
    Black
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
  • Vent Hole
    No
Standard Sizes Pipe Cap - Inside Diameter - 114.3 mm | 4.500 in Inside Height - 47.5 mm | 1.870 in Blue

RRC4A

Price Range
$13.0646 - $1.0059

Stock Levels
25812 In stock
Attributes
  • Color
    Blue
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
  • Vent Hole
    No
N/A - Inside Diameter - 72.6 mm | 2.860 in ; Inside Height - 40.1 mm | 1.580 in ; Orange

RRC2-1/2D

Price Range
$6.7104 - $0.5784

Stock Levels
Request the lead time here
Attributes
  • Color
    Orange
  • Compatible Nominal Pipe Sizes (All)
    NPT 2-1/2
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
Standard Sizes Pipe Cap - Inside Diameter - 17.1 mm | 0.675 in Inside Height - 21.5 mm | 0.845 in Orange

CEX3/8B

Price Range
$1.6947 - $0.1362

Stock Levels
25945 In stock
Attributes
  • Color
    Orange
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
  • Vent Hole
    No
Standard Sizes Pipe Cap - Inside Diameter - 114.3 mm | 4.500 in Inside Height - 40.5 mm | 1.594 in Black

NPS4B

Price Range
$24.8748 - $1.99

Stock Levels
80 In stock
Attributes
  • Color
    Black
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
  • Vent Hole
    No
Standard Sizes Pipe Cap - Inside Diameter - 609.6 mm | 24.000 in Inside Height - 76.1 mm | 2.995 in Black

RRC24A

Price Range
$39.076 - $20.8512

Stock Levels
962 In stock
Attributes
  • Color
    Black
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
  • Vent Hole
    No
Standard Sizes Pipe Cap - Inside Diameter - 143 mm | 5.630 in ; Inside Height - 54.6 mm | 2.150 in ; Orange

RRC5F

Price Range
$31.6063 - $2.4409

Stock Levels
614 In stock
Attributes
  • Color
    Orange
  • Compatible Nominal Pipe Sizes (All)
    NPT 5
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
Standard Sizes Pipe Cap - Inside Diameter - 13.1 mm | 0.516 in Inside Height - 12.4 mm | 0.490 in Red

RRC1/4A

Price Range
$0.7556 - $0.0617

Stock Levels
33738 In stock
Attributes
  • Color
    Red
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
  • Vent Hole
    No
Standard Sizes Pipe Cap - Inside Diameter - 60.4 mm | 2.378 in Inside Height - 27.4 mm | 1.080 in Blue

RRC2A

Price Range
$3.5758 - $0.2752

Stock Levels
236892 In stock
Attributes
  • Color
    Blue
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
  • Vent Hole
    No
Standard Sizes Pipe Cap - Inside Diameter - 320 mm | 12.600 in ; Inside Height - 66.5 mm | 2.620 in ; Orange

RRC12B

Price Range
$18.9826 - $6.8718

Stock Levels
864 In stock
Attributes
  • Color
    Orange
  • Compatible Nominal Pipe Sizes (All)
    NPT 12
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
Standard Sizes Pipe Cap - Inside Diameter - 16.8 mm | 0.660 in Inside Height - 13.7 mm | 0.538 in Yellow

RRC3/8A

Price Range
$1.0323 - $0.0795

Stock Levels
16946 In stock
Attributes
  • Color
    Yellow
  • Fitting Style
    Push-Fit
  • Full Material
    Polyethylene
  • Material
    PE
  • Vent Hole
    No