Stainless Steel Pipe Cap
What is Stainless Steel Pipe Cap?
Stainless Steel Pipe Cap is a type of pipe fitting used to cover the ends of pipes to stop the flow of fluids, gases, or other substances. These caps are primarily utilized in industries where cleanliness, longevity, and corrosion resistance are critical. They are available in various shapes and sizes, designed to fit different pipe diameters and requirements.
Types of Stainless Steel Pipe Caps
Stainless Steel Butt Weld Cap
Threaded Pipe Caps
Socket Weld Caps
Stainless Steel Pipe Cap Dimensions
SS End Cap Dimension Chart (in lbs)
Inch. MM Height
D E
1/2 15 21,34 25,40
3/4 20 26,67 31,75
25 33,40 38,10
1 1/4 32 42,16 38,10
1 1/2 40 48,26 38,10
2 50 60,32 38,10
2 1/2 65 73,02 38,10
3 80 88,90 50,80
3 1/2 90 101,60 63,50
4 100 114,30 63,50
5 125 141,30 76,20
6 150 168,27 88,90
8 200 219,07 101,60
10 250 273,05 127,00
12 300 323,85 152,40
14 350 355,60 165,10
16 400 406,40 177,80
18 450 457,20 203,20
20 500 508,00 228,60
22 550 558,80 254,00
24 600 609,60 266,70
28 700 711,20 266,70
SS Stub End Dimensions Chart (in lbs)
NOMINAL PIPE SIZE LAP DIAMETER OUTSIDE DIAMETER LONG PATTERN LENGTH SHORT PATTERN LENGTH RADIUS
Inch. A OD Min OD Max L L R
1/2 35 22.8 20.5 76 51 3
3/4 43 28.1 25.9 76 51 3
1 51 35 32.6 102 51 3
1 1/4 64 43.6 41.4 102 51 5
1 1/2 73 49.9 47.5 102 51 6
2 92 62.4 59.5 152 64 8
2 1/2 105 75.3 72.2 152 64 8
3 127 91.3 88.1 152 64 10
3 1/2 140 104 100.8 152 76 10
4 157 116.7 113.5 152 76 11
5 186 144.3 140.5 203 76 11
6 216 171.3 167.5 203 89 13
8 270 222.1 218.3 203 102 13
10 324 277.2 272.3 254 127 13
12 381 328 323.1 254 152 13
14 413 359.9 354.8 305 152 13
16 470 411 405.6 305 152 13
18 533 462 456 305 152 13
20 584 514 507 305 152 13
22 641 565 558 305 152 13
24 692 616 609 305 152 13
Stainless Steel Pipe Cap Weight
End Cap Weight Chart (in lbs)
Nominal Pipe Size (NPS) Schedule 40 (lbs) Schedule 80 (lbs) Schedule 160 (lbs)
1/2″ 0.16 0.23 0.30
3/4″ 0.23 0.32 0.42
1″ 0.30 0.45 0.60
1 1/4″ 0.40 0.60 0.80
1 1/2″ 0.50 0.75 1.00
2″ 0.70 1.05 1.40
2 1/2″ 1.05 1.60 2.10
3″ 1.40 2.10 2.80
4″ 2.00 3.00 4.00
5″ 2.70 4.00 5.30
6″ 3.50 5.20 7.00
8″ 5.00 7.50 10.00
10″ 7.50 11.20 14.90
12″ 10.00 15.00 20.00
14″ 12.50 18.70 25.00
16″ 15.50 23.30 31.00
18″ 19.00 28.50 38.00
20″ 23.00 34.50 46.00
24″ 30.00 45.00 60.00
28″ 37.50 56.00 75.00
Stub End Dimensions Chart (in inches)
Nominal Pipe Size (NPS) D1 (Outside Diameter) D2 (Diameter of Stub End) L (Length) B (Flange Thickness)
1/2″ 0.840 0.625 1.38 0.125
3/4″ 1.050 0.875 1.50 0.125
1″ 1.315 1.050 1.75 0.125
1 1/4″ 1.660 1.375 2.00 0.125
1 1/2″ 1.900 1.500 2.25 0.125
2″ 2.375 2.000 2.50 0.125
2 1/2″ 2.875 2.500 2.75 0.125
3″ 3.500 3.000 3.00 0.125
4″ 4.500 3.500 3.50 0.125
5″ 5.563 4.500 4.00 0.125
6″ 6.625 5.500 4.50 0.125
8″ 8.625 7.000 5.00 0.125
10″ 10.750 8.625 5.50 0.125
12″ 12.750 10.750 6.00 0.125
14″ 14.000 12.750 6.50 0.125
16″ 16.000 14.000 7.00 0.125
18″ 18.000 16.000 7.50 0.125
20″ 20.000 18.000 8.00 0.125
24″ 24.000 22.000 8.50 0.125
28″ 28.000 26.000 9.00 0.125
Stainless Steel Pipe Cap Tolerance
SS Cap Tolerance
Parameter Tolerance
Outside Diameter (OD) ±1% of nominal OD or ±0.5 mm, whichever is greater
Wall Thickness (WT) ±12.5% of specified wall thickness
Height (H) ±1.5% of the nominal height or ±3 mm, whichever is greater
Out-of-Roundness ≤1% of the nominal OD
End Preparation ±1 mm for bevel length and ±2° for bevel angle
Surface Finish Free from defects such as cracks, dents, or visible seams
Marking Tolerance Legible and durable markings in accordance with ASME, ANSI, or applicable standards
Manufacturing Process
Material Selection : High-quality stainless steel, such as 304, 316, or duplex grades, is selected based on the application requirements.
Cutting and Shaping: Stainless steel sheets or rods are cut to the required dimensions using advanced machinery. The material is shaped into the desired cap design using forming techniques like deep drawing or spinning.
Heat Treatment: Heat treatment processes such as annealing enhance the material’s mechanical properties and corrosion resistance.
Surface Finishing: Surface treatments like polishing, pickling, or electroplating improve the aesthetic and functional properties of the cap.
Quality Inspection: Each cap undergoes stringent quality checks to ensure compliance with industry standards. Tests include dimensional checks, pressure tests, and corrosion resistance evaluations.
Benefits
Corrosion Resistance: Resistant to rust and corrosion, even in harsh environments. Ideal for applications involving exposure to water, chemicals, or extreme temperatures.
Durability: Long-lasting performance reduces maintenance costs. Withstands high-pressure and high-temperature conditions.
Hygienic Properties: Non-porous surface prevents the buildup of contaminants. Meets stringent hygiene standards in industries like food, beverage, and pharmaceuticals.
Aesthetic Appeal: Polished finish enhances the overall appearance of piping systems. Suitable for visible installations where appearance matters.
Versatility Available in various sizes, shapes, and designs to suit diverse applications. Customizable to meet specific project requirements.
Eco-Friendly: Fully recyclable, contributing to sustainable practices. Reduces environmental impact compared to non-recyclable materials.
Application
- Oil and Gas Pipelines
- Water Treatment Plants
- Petrochemical
- Construction
- Pressure Vessels
- Phosphate Mining
