{"product_id":"asab-double-diaphragm-replacement-parts-30-ddp18-replacement-ptfe-sealing-o-ring","title":"ASAB DDP18 Replacement Parts #30 - PTFE Sealing O-Ring","description":"\u003cp data-start=\"0\" data-end=\"29\"\u003e\u003cstrong\u003ePart Code: ASAB-SDDP18-30\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"31\" data-end=\"377\"\u003eIntroducing the \u003cstrong data-start=\"47\" data-end=\"81\"\u003eASAB DDP18 PTFE Sealing O-Ring\u003c\/strong\u003e — a high-chemical-resistance sealing component designed to maintain leak-free performance in \u003cstrong data-start=\"175\" data-end=\"211\"\u003eASAB DDP18 double diaphragm pump\u003c\/strong\u003e assemblies. Made from \u003cstrong data-start=\"234\" data-end=\"251\"\u003ePTFE + Teflon\u003c\/strong\u003e, this seal is ideal for tougher fluids and solvents where standard elastomer O-rings can swell, soften, or degrade over time.\u003c\/p\u003e\n\u003cp data-start=\"379\" data-end=\"737\"\u003eA PTFE sealing O-ring is commonly used in areas where you need \u003cstrong data-start=\"442\" data-end=\"476\"\u003emaximum chemical compatibility\u003c\/strong\u003e and consistent sealing under cycling load. If you’re seeing \u003cstrong data-start=\"537\" data-end=\"610\"\u003eweeping at housings, loss of prime stability, or repeat seal failures\u003c\/strong\u003e (especially after solvent duty), replacing the seal with the correct PTFE spec is often the right move to restore reliability.\u003c\/p\u003e\n\u003cp data-start=\"739\" data-end=\"944\"\u003eWhether you’re doing a wet-end rebuild, upgrading seals for solvent service, or fixing a minor leak before it becomes downtime, the \u003cstrong data-start=\"871\" data-end=\"889\"\u003eASAB-SDDP18-30\u003c\/strong\u003e is the right part to keep your DDP18 sealing properly.\u003c\/p\u003e\n\u003ch2 data-start=\"951\" data-end=\"966\"\u003eKey Benefits\u003c\/h2\u003e\n\u003cul data-start=\"968\" data-end=\"1464\"\u003e\n\u003cli data-start=\"968\" data-end=\"1033\"\u003e\n\u003cp data-start=\"970\" data-end=\"1033\"\u003e\u003cstrong data-start=\"970\" data-end=\"1012\"\u003eDirect replacement PTFE sealing O-ring\u003c\/strong\u003e for \u003cstrong data-start=\"1017\" data-end=\"1031\"\u003eASAB DDP18\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1034\" data-end=\"1109\"\u003e\n\u003cp data-start=\"1036\" data-end=\"1109\"\u003e\u003cstrong data-start=\"1036\" data-end=\"1069\"\u003eExcellent chemical resistance\u003c\/strong\u003e for solvents and aggressive materials\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1110\" data-end=\"1183\"\u003e\n\u003cp data-start=\"1112\" data-end=\"1183\"\u003eHelps prevent \u003cstrong data-start=\"1126\" data-end=\"1159\"\u003eleaks, weeping, and bypassing\u003c\/strong\u003e at sealing interfaces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1184\" data-end=\"1274\"\u003e\n\u003cp data-start=\"1186\" data-end=\"1274\"\u003eReduces risk of seal failure from \u003cstrong data-start=\"1220\" data-end=\"1242\"\u003eswelling\/softening\u003c\/strong\u003e seen with standard elastomers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1275\" data-end=\"1338\"\u003e\n\u003cp data-start=\"1277\" data-end=\"1338\"\u003eIdeal for \u003cstrong data-start=\"1287\" data-end=\"1307\"\u003eservice rebuilds\u003c\/strong\u003e and preventative maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1339\" data-end=\"1411\"\u003e\n\u003cp data-start=\"1341\" data-end=\"1411\"\u003eSupports \u003cstrong data-start=\"1350\" data-end=\"1398\"\u003estable prime and consistent pump performance\u003c\/strong\u003e under load\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1412\" data-end=\"1464\"\u003e\n\u003cp data-start=\"1414\" data-end=\"1464\"\u003eWorkshop-ready spare for fast turnaround repairs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1471\" data-end=\"1489\"\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul data-start=\"1491\" data-end=\"1543\"\u003e\n\u003cli data-start=\"1491\" data-end=\"1543\"\u003e\n\u003cp data-start=\"1493\" data-end=\"1543\"\u003e\u003cstrong data-start=\"1493\" data-end=\"1522\"\u003eDDP18 PTFE Sealing O-Ring\u003c\/strong\u003e — \u003cstrong data-start=\"1525\" data-end=\"1543\"\u003eASAB-SDDP18-30\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1550\" data-end=\"1567\"\u003eSafety Check\u003c\/h2\u003e\n\u003cul data-start=\"1569\" data-end=\"2325\"\u003e\n\u003cli data-start=\"1569\" data-end=\"1714\"\u003e\n\u003cp data-start=\"1571\" data-end=\"1714\"\u003e\u003cstrong data-start=\"1571\" data-end=\"1606\"\u003eIsolate and depressurise first:\u003c\/strong\u003e Shut off air supply, bleed the airline fully, and confirm the pump is not pressurised before disassembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1715\" data-end=\"1833\"\u003e\n\u003cp data-start=\"1717\" data-end=\"1833\"\u003e\u003cstrong data-start=\"1717\" data-end=\"1739\"\u003eChemical exposure:\u003c\/strong\u003e Wear gloves and eye protection — residual product can remain trapped in the fluid chambers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1834\" data-end=\"1962\"\u003e\n\u003cp data-start=\"1836\" data-end=\"1962\"\u003e\u003cstrong data-start=\"1836\" data-end=\"1862\"\u003eHandle PTFE carefully:\u003c\/strong\u003e PTFE seals can nick if dragged over threads or sharp edges — keep it clean and avoid sharp tools.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1963\" data-end=\"2095\"\u003e\n\u003cp data-start=\"1965\" data-end=\"2095\"\u003e\u003cstrong data-start=\"1965\" data-end=\"2003\"\u003eInspect sealing grooves and faces:\u003c\/strong\u003e Clean thoroughly and check for scoring, corrosion, or debris that can cause repeat leaks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2096\" data-end=\"2212\"\u003e\n\u003cp data-start=\"2098\" data-end=\"2212\"\u003e\u003cstrong data-start=\"2098\" data-end=\"2120\"\u003eReassemble evenly:\u003c\/strong\u003e Tighten fasteners in a cross pattern to avoid pinching the seal and creating a leak path.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2213\" data-end=\"2325\"\u003e\n\u003cp data-start=\"2215\" data-end=\"2325\"\u003e\u003cstrong data-start=\"2215\" data-end=\"2234\"\u003eTest gradually:\u003c\/strong\u003e Bring air pressure up slowly and leak check before returning to full operating conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2332\" data-end=\"2385\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2332\" data-end=\"2385\" data-is-last-node=\"\"\u003eASAB – Engineered for Performance, Built to Last.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Australian Spray \u0026 Blast","offers":[{"title":"Default Title","offer_id":48349878026455,"sku":"ASAB-SDDP18-30","price":2.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/9925\/4743\/files\/ASABLOGO.jpg?v=1773006894","url":"https:\/\/asab.au\/products\/asab-double-diaphragm-replacement-parts-30-ddp18-replacement-ptfe-sealing-o-ring","provider":"Australian Spray \u0026 Blast","version":"1.0","type":"link"}