Product Overview
Swagelok QC-200 Quick Connect Fitting, 1/2 in. MPT - Unused Shelf Stock in the Original Box
Condition
Unused, New Old Stock in the original manufacturer's packaging. The blue and clear Swagelok box is still labeled in blue print on a white sticker reading 1/2 MPT - 1/2 QC-200. The fitting photographed out of the box is bright and clean: SWAGELOK is stamped into one hex flat, CRAWFORD PAT'D is rolled into the grooved coupling sleeve, and the male pipe threads carry no sealant residue, no wrench marks and no corrosion. The ported nose on the quick connect end is sharp and undamaged. Against the metric ruler the fitting measures approximately 7.4 cm end to end, a little under 3 inches. Base alloy is not confirmed - the finish reads as bright plated metal; verify wetted material against Swagelok documentation if your service demands a specific alloy.
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Product Overview
This is one half of a Swagelok QC-200 series quick connect, with a 1/2 inch male pipe thread (MPT) on the fixed end and the mating quick connect nose on the other. The packaging label states the configuration plainly: 1/2 MPT - 1/2 QC-200. The body markings match, with SWAGELOK on the hex and CRAWFORD PAT'D rolled around the sleeve, the Crawford Fitting Company name that Swagelok's Ohio operation was built on. It threads into a 1/2 inch female pipe port and gives you a coupling point that comes apart by hand instead of by wrench, which is why fittings like this end up on test benches, calibration carts and service panels where the same line gets broken down and remade all day. Pair it with the corresponding QC-200 series half; whether this particular piece is the valved or non-valved variant is not confirmed from the packaging or the photographs.
Key Features
- Thread: 1/2 inch male pipe thread (MPT) on the fixed end
- Series: Swagelok QC-200 quick connect, per the original package label
- Markings: SWAGELOK stamped on a hex flat, CRAWFORD PAT'D rolled into the coupling sleeve
- Quick connect end: stepped nose with side ports, undamaged and unused
- Overall length: approximately 7.4 cm, just under 3 inches, measured against the ruler in the photos
- Finish: bright plated metal, no corrosion, no sealant residue in the threads
- Packaging: original blue Swagelok box labeled 1/2 MPT - 1/2 QC-200
- Valved or non-valved variant: not confirmed - verify against Swagelok documentation before use
Applications
- Lab technician plumbing a test bench where a gas or fluid line gets broken down between runs
- Maintenance mechanic converting a 1/2 inch female pipe port into a coupling that comes apart by hand
- Instrumentation tech building a calibration cart that has to connect to several different rigs in a shift
- Fabricator standardizing tooling and fixture changeovers on a shop service panel
Frequently Asked Questions
Which half of the quick connect am I buying here?
The photographs show the piece that has the 1/2 inch male pipe thread on one end and the ported quick connect nose on the other. Match it to the corresponding QC-200 series component on your line. We have not confirmed a full Swagelok catalog number beyond what the package label and the body markings show.
Is this the shutoff version or the full flow version?
Not confirmed. The label reads only 1/2 MPT - 1/2 QC-200, and neither the packaging nor the photographs settle whether this piece is valved. If your system depends on the coupling shutting off when it is separated, verify against Swagelok documentation before you install it.
What should I use on the pipe thread?
PTFE tape or a compatible liquid thread sealant on the male pipe thread. The threads arrived clean, with no old tape or dried sealant to pick out first, so you are starting from bare metal.
I need two or three of these, not a case. Can I buy just that many?
Yes, and that is the point of buying here. These sit in deep shelf stock and are priced one at a time, so you can take a single fitting for one port or a handful to standardize a whole service panel, instead of paying for a forced lot of 10 or 50 and stacking the leftovers in a drawer. Every one is the same unused shelf-stock piece shown in the photos, still in its labeled box. Shipping is $8 flat rate, free once your order passes $28, and orders leave our Idaho warehouse the same or next business day.
Two names live on this one fitting: SWAGELOK on the hex, and CRAWFORD PAT'D rolled into the sleeve for the Ohio shop that started it all. It waited in its blue box long enough to become a small piece of that history, and it is still perfectly capable of doing the plain job it was machined for on your bench.
