Bung Welds

Bung welds are similar to a weld boss making a transition between a pipe and a fitting. Whenever a process vessel and a fitting need to join, a bung weld is a common solution. Bung welds are typically welded to a flat or curved surface of a wall of the process chamber. Once welded to the vessel, bung welds provide a permanent threaded port where fittings can be easily installed. Bung welds are not to be confused with socket welds or butt welds.

The difference between a bung weld or a socket weld is bung welds have female threads while socket welds have plain bores to be welded to pipe ends. Threads can be NPT, Metric, SAE, BSW, or can also be made custom.

Encole

NPT Weld-On Bungs, 316 Stainless Steel

Weld-on bungs with Female NPT threads conforming to ASME B1.20.1. The bungs are ready to be welded to a flat wall of the process vessel. For curved surfaces the bungs can be machined to fit the curvature. Made in the USA from domestically sourced AISI 316 stainless steel. Can be welded to any 300-series stainless steel.

This product is recommended as a matching pair to any NPT sight glasses or fittings.

Nominal Pipe SizeMaterialThreadMfg. P/N.Encole P/N.Price
2"AISI 316NPT 2"101294316A1015$61.80each
1-1/2"AISI 316NPT 1-1/2"101293316A1014$57.23each
1-1/4"AISI 316NPT 1-1/4"101418316A1013$55.92each
1"AISI 316NPT 1"101417316A1012$54.73each
3/4"AISI 316NPT 3/4"101416316A1011$53.82each
1/2"AISI 316NPT 1/2"101415316A1010$50.79each
3/8"AISI 316NPT 3/8"101414316A1009$49.78each
Encole

SAE J1926 Weld-On Bungs, 316 Stainless

SAE J1926-1 weld-on bungs for accepting SAE J514 boss. The bungs are ready to be welded to a flat wall of a process vessel. For curved surfaces the bung can be machined to fit the curvature. Made in the USA from domestically sourced AISI 316 stainless steel. Can be welded to any 300-series stainless steel.

Nominal Pipe SizeMaterialThreadMfg. P/N.Encole P/N.Price
SAE-32 PortAISI 316Thread 2-1/2-12101292316A1008$174.60each
SAE-24 PortAISI 316Thread 1-7/8-12101291316A1007$148.90each
SAE-20 PortAISI 316Thread 1-5/8-12101290316A1006$115.45each
SAE-16 PortAISI 316Thread 1-5/16-12101289316A1005$97.75each

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