Name: Stainless Steel Pipe Cap Welding Fittings
Rating: 5 (99 reviews)

Stainless Steel Pipe Cap Welding Fittings

A terminal solution that provides a permanent seal at the end of a pipe. The cap is securely welded to the pipe end, creating an impenetrable barrier that completely isolates the external environment from the media within. Its superior sealing and pressure-bearing properties make it commonly used to seal spare connections, plug pipe ends, or reserve interfaces for future system expansion, ensuring system integrity and safety.

304 Stainless Steel Tube Fittings: Threaded vs Bite-Type vs Butt-Weld Guide
07 Oct, 2026
A pharmaceutical plant in Jiangsu lost eight hours of production when a 1/4-inch 304 stainless steel tube fitting started weeping on a nitrogen header during a 180-bar hydrostati...
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The Complete Guide to 316 Stainless Steel Pipe Fittings: Grades, Ratings, and Sizing
30 Sep, 2026
A coastal chemical plant in Eastern China tracked twelve 304 threaded unions failing within a single service year, all from pitting at the thread roots where chloride-laden proce...
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304 Stainless Steel Pipe Fittings: Grades, Ratings, and Selection Tips
23 Sep, 2026
A water-treatment plant in Jiangsu lost six weeks of uptime when its stainless steel pipe fittings pitted at the threaded joints after exposure to 150 ppm chloride process water....
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Stainless Steel Flexible Pipe Connectors: Grades, End Fittings & Installation
16 Sep, 2026
A welded stainless steel pipe run at a beverage plant cracked at the pump discharge after eighteen months: the hard piping had no way to absorb 1.2 mm of lateral pump movement an...
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DN		OD	10S		20S		40S		E
A	B	OD	ID	T	ID	T	ID	T	E
15	1/2	21.7	17.5	2.1	16.7	2.5	16.1	2.8	25.4
20	3/4	27.2	23.0	2.1	22.2	2.5	21.4	2.9	25.4
25	1	34.0	28.4	2.8	28.0	3.0	27.2	3.4	38.1
32	1"1/4	42.7	37.1	2.8	36.7	3.0	35.5	3.6	38.1
40	1"1/2	48.6	43.0	2.8	42.6	3.0	41.2	3.7	38.1
50	2	60.5	54.9	2.8	53.5	3.5	52.7	3.9	38.1
65	2"1/2	76.3	70.3	3.0	69.3	3.5	65.9	5.2	38.1
80	3	89.1	83.1	3.0	81.1	4.0	78.1	5.5	50.8
90	3"1/2	101.6	95.6	3.0	93.6	4.0	90.2	5.7	63.5
100	4	114.3	108.3	3.0	106.3	4.0	102.3	6.0	63.5
125	5	139.8	133.0	3.4	129.8	5.0	126.6	6.6	76.2
150	6	165.2	158.4	3.4	155.2	5.0	151.0	7.1	88.9
200	8	216.3	208.3	4.0	203.3	6.5	199.9	8.2	101.6
250	10	267.4	259.4	4.0	254.4	6.5	248.8	9.3	127.0
300	12	318.5	309.5	4.5	305.5	6.5	297.9	10.3	152.4