{"product_id":"pp-ppf-nylon-pneumatic-blanking-plug-4-16mm-push-fit-tube-end-cap","title":"PP\/PPF Nylon Pneumatic Blanking Plug – 4\/6\/8\/10\/12\/16mm Hose Tube Push-Fit Cap, 20–1000pcs","description":"\u003ch2\u003ePP\/PPF Nylon Pneumatic Blanking Plug – 4\/6\/8\/10\/12\/16mm Push-Fit Tube End Cap\u003c\/h2\u003e\n\n\u003cp\u003ePneumatic blanking plugs (also called tube end caps or port plugs) seal unused push-to-connect ports and open tube ends in pneumatic circuits. The push-fit design inserts directly into a standard push-in fitting port or onto a tube end — the internal collet grips the tube OD and the O-ring seals the bore, preventing air leakage from unused circuit branches. PP-series plugs fit directly into push-in fitting bodies; PPF-series plugs cap open tube ends. Essential for commissioning, testing, and reconfiguring pneumatic circuits without removing fittings.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e PA66 nylon (PP series) or POM acetal (PPF series)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTube\/Port OD:\u003c\/strong\u003e 4mm, 6mm, 8mm, 10mm, 12mm, 16mm (select above)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Pressure:\u003c\/strong\u003e 0–1.0 MPa (0–145 PSI)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e 0°C to +60°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeal:\u003c\/strong\u003e Internal O-ring + collet grip\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Compressed air, water, light non-corrosive fluids\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 20, 100, 500, or 1000 pieces (select above)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePP vs PPF — Which Blanking Plug Do You Need?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePP (port plug):\u003c\/strong\u003e Inserts into the push-in port of a fitting body (tee, manifold, or multi-port fitting) to seal an unused outlet. The plug body matches the fitting’s internal bore diameter. Use when you have an unused port on a fitting that you want to seal without removing the fitting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePPF (tube end cap):\u003c\/strong\u003e Caps the open end of a tube. The plug slides over the tube OD and the internal collet grips the tube. Use when you have an open tube end that needs to be sealed — for example, during circuit testing, when a branch is temporarily disabled, or when a tube run is extended later.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Questions Does This Product Answer?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cem\u003e\"How do I seal an unused port on a pneumatic tee fitting?\"\u003c\/em\u003e — Insert a PP blanking plug of the correct tube size into the unused port. The plug’s collet engages the fitting’s internal bore and the O-ring seals against the bore wall. No tools required — push until the collet clicks. To remove, press the release collar and pull out.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cem\u003e\"Can I use a blanking plug to test for leaks?\"\u003c\/em\u003e — Yes. Blanking plugs are commonly used during circuit commissioning to seal all unused ports before pressurizing the system for leak testing. After testing, remove the plugs and connect the final tubing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cem\u003e\"What is the maximum pressure for nylon blanking plugs?\"\u003c\/em\u003e — 1.0 MPa (145 PSI) for standard nylon PP\/PPF plugs. For higher pressures, use brass or stainless steel port plugs rated to 1.5–2.0 MPa.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cem\u003e\"Can I reuse pneumatic blanking plugs?\"\u003c\/em\u003e — Yes, multiple times. The collet and O-ring are designed for repeated insertion and removal. Inspect the O-ring for damage before reuse — a nicked or flattened O-ring will not seal reliably.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCircuit commissioning:\u003c\/strong\u003e Sealing unused ports during system build and leak testing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManifold configuration:\u003c\/strong\u003e Blocking unused outlets on multi-port manifolds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCircuit modification:\u003c\/strong\u003e Temporarily sealing branches during reconfiguration without draining the system\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpare port protection:\u003c\/strong\u003e Keeping unused fitting ports clean and sealed during storage and transport\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3D printing:\u003c\/strong\u003e Sealing unused pneumatic ports on extruder and cooling circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cp\u003e20, 100, 500, or 1000 pieces (select above) — PP or PPF nylon pneumatic blanking plugs in the tube size selected.\u003c\/p\u003e","brand":"Cable Parts Online","offers":[{"title":"PPF-4 \/ 20 pcs","offer_id":47850720035061,"sku":"14:366#PPF-4;183:202360806#20 pcs","price":36.44,"currency_code":"USD","in_stock":true},{"title":"PPF-4 \/ 100 pcs","offer_id":47850720133365,"sku":"14:366#PPF-4;183:202360807#100 pcs","price":145.74,"currency_code":"USD","in_stock":true},{"title":"PPF-4 \/ 500 pcs","offer_id":47850720100597,"sku":"14:366#PPF-4;183:202360808#500 pcs","price":655.97,"currency_code":"USD","in_stock":true},{"title":"PPF-4 \/ 1000 pcs","offer_id":47850719674613,"sku":"14:366#PPF-4;183:202360809#1000 pcs","price":1180.76,"currency_code":"USD","in_stock":true},{"title":"PPF-6 \/ 20 pcs","offer_id":47850719641845,"sku":"14:496#PPF-6;183:202360806#20 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