Pipework and pipelines got welded joints and flanges of all kinds of materials, designs, and sizes. Evidence says piping systems, includin' valves and flanges, keep on bein' a source of hydrocarbon releases we don't need, with piping bein' one of the biggest culprits. Sealin' and inspectin' your flange faces right is a mighty fine fix for dat problem.
What Flange Protectors Are For
Flange protectors cover the whole pipe flange surface. If you close up the pipe assembly all the way, you can do away with the risk of contamination. Dese protectors help make sure them structures are sealed clean off from everything around 'em.
Why Flange Protection Is a Must
When we talk about the gas, oil, and utility industry, pipe flange and thread protection are two things you can't do without. It ain't just contamination durin' and after storage you got to worry about, but damage in transport and manufacturin' treatments too. Without the right solutions, you could end up with costly repairs. You might even have to replace oil-well pipes and drills, I tell you what.
The flange face is the gasket that seals the surface of the flange connection. The connection can be a vessel, valve, and a whole mess of other mechanical equipment. The surface is typically machined right where the gasket seals and sets up the connection of the piping system.
Kinds of Face Flange Protectors
Here's a few kinds of flange protectors y'all can find out about:
Raised face flange protectors
That raised machine face on your flange is the critical spot that needs protectin'. The flange protectors help you keep it in the best shape and stop leakage in storage or before the installation.
Features : Comes in 3 key profiles: Adhesive, Plug, and Studded. All of 'em are easy and quick to put on and stand up to sandblastin'.
Material: Petroleum or weather-resistant commercially available grades
Specification: Protects ANSI and DIN flanges. Solutions come in different sizes.
Suitable for: Easy fittin' face protection
Full Face Flange protectors
Keep your flanges in top shape for a perfect fit while guardin' against dirt and corrosion gettin' in when they're bein' hauled around the factories and shipyards.
Features: Protects the whole surface of the flange or leaves the bolt holes/bolts reachable. Comes in 5 key profiles: Bolthole, Push-in, Adhesive, Plug, and Studded.
Material: PE gives protection durin' transit, storage, and finishin'. Bolt hole flange protectors’ PP material is cost-effective and got good chemical and fatigue resistance.
Specification: Comes in a range of sizes to fit DIN and ANSI flanges.
Kinds of Caps and Pipe Plugs – Benefits
When you store or haul pipes, they're liable to bump up against other pipes and get damaged, and corrosion can set in on specially machined threads. Pipe caps and plugs are mighty important for sealin' up pipe ends and protectin' drill pipe.
Pipe Plugs
Cut out costly downtime by keepin' debris from gettin' in the pipe and wreckin' them vital threads.
Features: Ribbed pipe plugs come in two styles with flexible ribs of different diameters to fit multiple schedules of drill pipe and NPT.
Material: Tough LDPE gives you chemical and weather resistance.
Specification: The straight wall on the plug’s O.D. helps give a snug friction fit with the mating pipe’s Inside Diameter for good protection against contaminants. Compatible nominal pipe diameters range from .217in – 24.606in (5.5mm – 625mm)
Suitable for: Drill pipe and NPT line pipe
Pipe Caps
You got to cut down the threat of pollution and rust to the pipe and what's inside it by keepin' foreign objects and contaminants out with a pipe end cap.
Features: Flexible pipe caps give a tight fit, while recessed caps protect coatings, internal walls, and bevels from damage when the crane hooks clamp on.
Material: Flexible pipe caps made of PE material are lightweight, durable, and strong. Recessed pipe caps are made of LDPE for excellent chemical resistance to esters, bases, alcohols, and acids.
Specification: Flexible pipe caps fit nominal pipe diameters. It ranges from 64in – 2.374in. Recessed Caps are usually compatible with nominal pipe diameters that range from 48in – ½in.
Suitable for: Pipes hauled by crane hooks.
Keepin' Flanges From Gettin' Damaged
Too much rust, a ding, a dent, or a scratch in this area can cause the flanged connection to fail if it ain't fixed before the final bolting. It ain't uncommon for a big batch of flanges that wasn't inspected right to come back around with problems on a project and cost hundreds of thousands if not millions of dollars. The worst of what flange damage does on these jobs is the delay in the construction schedule, which costs the owner-operator weeks, months, and years of lost revenue, I reckon.
Conclusion
Protectin' your flange faces is key to your project comin' out right. It's where the magic happens. Get it right, and you'll be the hero dat delivers the project on schedule. Get it wrong, and you might be lookin' at more cost overruns, project delays, and sometimes unhappy clients.
If you got any more questions about why flange face protection matters, holler at Texas Flange today!
