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EP is a supplier of threaded full tube half couplings that utilize completely different business applications such as chemical processing, refinery, petrochemical and many other industries. We have a large inventory of fully threaded rod half couplings, which can be customized according to customer needs. We specialize in the manufacture of ASME B16.11 threaded half couplings to ASME B16.11 / BS 3799. Full Half Couplings to B16.11 Standard ASME B16.11 covers pressure-temperature evaluation, dimensions, markings, tolerances and material prerequisites. Based on dimensional requirements, check ASTM A182 SS Threaded Full Half Couplings before purchasing.
What is half coupling?
Half Coupling halves are widely used in the aerospace industry as connectors for pressurized fuel lines. Launches of various space shuttles are often delayed because of half couplings, which require closer inspection for safety reasons.
Hoses are readily identifiable objects that connect using a half coupling. The threaded end is screwed onto a faucet, while the other end is clamped onto the hose. With piping, one end of a half-coupling is screwed onto the pipe, while the other end is made to be tightly inserted, or welded, onto the other end.
half coupling Types
Half couplings come in male and female varieties. The male half-couplings have external threads that the pipe fits over. Female half-couplings have internal threads. The piping is inserted and twisted to secure the connection.
What we do
1/4 in. 150# Stainless Steel Pipe Fitting Half Coupling 304 SS NPT Threaded
This threaded NPT HALF coupling is typically what you’d have welded into your vessel as the bulkhead for thread in sight glasses, dial thermometers, etc. The half coupling gives you female threads on ONLY ONE END. An alternative to a half coupling would be a weld spud, especially if you plan to use silver solder rather than welding.
Available in 1/2″ and 1/4″ NPT sizes.
Made from cast 304 stainless steel. Note that the outside finish on these is typically MATTE or cast finish meaning that it has not been machined to shiny.
The 1/2″ half couplings measure approximately 1.06″ outside diameter.
The 1/4″ half couplings measure approximately .75″ outside diameter.
It’s always best to measure them in person if you’re trying to have them fit snug in a drilled hole for welding.
- 304 stainless steel castings conform to ASTM A351 ACI Grade CF8
- 316 stainless steel casting conform to ACI Grade CF8M (316)
- NPT threads on pipe fittings conform to ASME B1.20.1
- Manufacturing facility is ISO 9001:2008
- Certified pipe fittings meet applicable chemical & mechanical properties
- Quality guarantee on all pipe fittings
ASME B16.11 Half Coupling
Marcel Piping is a renowned manufacturer of ASME B16.11 Couplings, a drill pipe threaded joint that provides high strength for threaded connections. We offer threaded half couplings to help withstand multiple tightening cycles that can lead to loose threads. Drilling process. Threaded joints can be welded to the pipe or screwed to the pipe upon request and are manufactured to national and international quality standards.
We are also a supplier of half couplings ANSI B16.11 for applications in different industries such as chemical processing, refinery, petrochemical and many other industries. We have a large inventory of forged steel threaded half couplings, which can be customized to size according to customer requirements. We specialize in manufacturing ASME B16.11 half coupling dimensions to ASME B16.11 / BS 3799. B16.11 compliant threaded half coupling dimensions cover pressure-temperature ratings, dimensions, markings, tolerances and material requirements. Check the threaded half coupling size before purchasing, based on dimensional requirements.
1 in. Threaded NPT Half Coupling 316/316L 3000LB Stainless Steel Pipe Fitting
- Forged stainless steel material conforms to ASME A182
- Forged Stainless Steel Pipe Fitting dimensions conform to ASME B16.11
- NPT threads conform to ASME B1.20.1
- Socket weld fittings conform to ASME B16.11
- Forged stainless union conform to MSS SP-83
- Forged stainless outlets conform to MSS SP-97
- Forged stainless socket weld inserts conform to MSS SP-79
- Manufacturing facility is ISO 9001:2008
- half coupling
SS Threaded Half Coupling
- Half Coupling dimensions and materials conform to ASTM A865
- Half Coupling threads conform to ASME B1.20.1
- Half Couplings from 1/8” to 2” are NPSC (straight threads), 2-1/2” and larger are NPT (tapered)
- API 5L style half couplings are for extra heavy pipe, all sizes have NPT threads
- Steel bushings and plugs conform to ASME B16.14
- half coupling
Each piece of coupling is cleaned and arranged anti-rust oil carefully, before delivery, to protect against corrosion
BEFORE DELIVERY, ARRANGE MARKING AS PER STANDARD OR CUSTOMIZED
OFFER OEM SERVICE. EACH PIECE OF COUPLING WAS TESTED BEFORE DELIVERY, OTHERWISE WILL NOT LOAD
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