{"product_id":"asab-double-diaphragm-replacement-parts-11-ptfe-sealing-o-ring","title":"ASAB DDP18 Replacement Parts #11 - PTFE Sealing O-Ring","description":"\u003cp data-start=\"0\" data-end=\"29\"\u003e\u003cstrong\u003ePart Code: ASAB-SDDP18-11\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"31\" data-end=\"398\"\u003eIntroducing the \u003cstrong data-start=\"47\" data-end=\"81\"\u003eASAB DDP18 PTFE Sealing O-Ring\u003c\/strong\u003e — a critical sealing component designed to restore leak-free performance in \u003cstrong data-start=\"158\" data-end=\"194\"\u003eASAB DDP18 Double Diaphragm Pump\u003c\/strong\u003e assemblies. Made from \u003cstrong data-start=\"217\" data-end=\"234\"\u003ePTFE \u0026amp; Teflon\u003c\/strong\u003e for excellent chemical resistance, this sealing O-ring is used where you need dependable sealing against aggressive fluids, solvents, and harsh service conditions.\u003c\/p\u003e\n\u003cp data-start=\"400\" data-end=\"788\"\u003eA worn, nicked, flattened, or chemically attacked sealing O-ring is a common cause of \u003cstrong data-start=\"486\" data-end=\"587\"\u003eweeping at housings, air\/fluid cross-leak symptoms, loss of prime, or inconsistent pump behaviour\u003c\/strong\u003e (depending on where it sits in the stack). Replacing the seal with the correct PTFE O-ring helps bring the pump back to stable, reliable operation and prevents minor leaks turning into major downtime.\u003c\/p\u003e\n\u003cp data-start=\"790\" data-end=\"982\"\u003eWhether you’re doing a scheduled service, rebuilding a wet end, or chasing a small leak that’s doing your head in, the \u003cstrong data-start=\"909\" data-end=\"927\"\u003eASAB DDP18 PTFE Sealing O-Ring\u003c\/strong\u003e is the right part to keep your DDP18 sealing properly.\u003c\/p\u003e\n\u003ch2 data-start=\"989\" data-end=\"1004\"\u003eKey Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1006\" data-end=\"1465\"\u003e\n\u003cli data-start=\"1006\" data-end=\"1071\"\u003e\n\u003cp data-start=\"1008\" data-end=\"1071\"\u003e\u003cstrong data-start=\"1008\" data-end=\"1050\"\u003eDirect replacement PTFE sealing O-ring\u003c\/strong\u003e for \u003cstrong data-start=\"1055\" data-end=\"1069\"\u003eASAB DDP18\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1072\" data-end=\"1142\"\u003e\n\u003cp data-start=\"1074\" data-end=\"1142\"\u003e\u003cstrong data-start=\"1074\" data-end=\"1107\"\u003eExcellent chemical resistance\u003c\/strong\u003e for solvents and harsh materials\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1143\" data-end=\"1204\"\u003e\n\u003cp data-start=\"1145\" data-end=\"1204\"\u003eHelps prevent \u003cstrong data-start=\"1159\" data-end=\"1180\"\u003eleaks and weeping\u003c\/strong\u003e at sealing interfaces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1205\" data-end=\"1266\"\u003e\n\u003cp data-start=\"1207\" data-end=\"1266\"\u003eSupports \u003cstrong data-start=\"1216\" data-end=\"1264\"\u003estable prime and consistent pump performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1267\" data-end=\"1330\"\u003e\n\u003cp data-start=\"1269\" data-end=\"1330\"\u003eIdeal for \u003cstrong data-start=\"1279\" data-end=\"1299\"\u003eservice rebuilds\u003c\/strong\u003e and preventative maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1331\" data-end=\"1414\"\u003e\n\u003cp data-start=\"1333\" data-end=\"1414\"\u003ePTFE material helps reduce \u003cstrong data-start=\"1360\" data-end=\"1382\"\u003eswelling\/softening\u003c\/strong\u003e seen with standard elastomers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1415\" data-end=\"1465\"\u003e\n\u003cp data-start=\"1417\" data-end=\"1465\"\u003eWorkshop-ready spare for fast turnaround repairs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1472\" data-end=\"1490\"\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul data-start=\"1492\" data-end=\"1544\"\u003e\n\u003cli data-start=\"1492\" data-end=\"1544\"\u003e\n\u003cp data-start=\"1494\" data-end=\"1544\"\u003e\u003cstrong data-start=\"1494\" data-end=\"1523\"\u003eDDP18 PTFE Sealing O-Ring\u003c\/strong\u003e — \u003cstrong data-start=\"1526\" data-end=\"1544\"\u003eASAB-SDDP18-11\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1551\" data-end=\"1568\"\u003eSafety Check\u003c\/h2\u003e\n\u003cul data-start=\"1570\" data-end=\"2322\"\u003e\n\u003cli data-start=\"1570\" data-end=\"1722\"\u003e\n\u003cp data-start=\"1572\" data-end=\"1722\"\u003e\u003cstrong data-start=\"1572\" data-end=\"1607\"\u003eIsolate and depressurise first:\u003c\/strong\u003e Shut off air supply, bleed the air line, and ensure the pump is fully depressurised before opening any housings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1723\" data-end=\"1829\"\u003e\n\u003cp data-start=\"1725\" data-end=\"1829\"\u003e\u003cstrong data-start=\"1725\" data-end=\"1747\"\u003eChemical exposure:\u003c\/strong\u003e Wear gloves and eye protection—residual product can remain trapped in the pump.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1830\" data-end=\"1956\"\u003e\n\u003cp data-start=\"1832\" data-end=\"1956\"\u003e\u003cstrong data-start=\"1832\" data-end=\"1850\"\u003eSeal handling:\u003c\/strong\u003e PTFE can nick easily—keep it clean, don’t drag it across threads, and avoid sharp tools during fitment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1957\" data-end=\"2087\"\u003e\n\u003cp data-start=\"1959\" data-end=\"2087\"\u003e\u003cstrong data-start=\"1959\" data-end=\"1985\"\u003eInspect sealing faces:\u003c\/strong\u003e Clean and check housings for scoring or damage that will cause repeat leaks even with a new O-ring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2088\" data-end=\"2204\"\u003e\n\u003cp data-start=\"2090\" data-end=\"2204\"\u003e\u003cstrong data-start=\"2090\" data-end=\"2112\"\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=\"2205\" data-end=\"2322\"\u003e\n\u003cp data-start=\"2207\" data-end=\"2322\"\u003e\u003cstrong data-start=\"2207\" data-end=\"2226\"\u003eTest gradually:\u003c\/strong\u003e Bring air pressure up slowly and check for leaks before returning to full operating conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2329\" data-end=\"2382\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2329\" data-end=\"2382\" 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":48347485274327,"sku":"ASAB-SDDP18-11","price":1.32,"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-11-ptfe-sealing-o-ring","provider":"Australian Spray \u0026 Blast","version":"1.0","type":"link"}