{"product_id":"asab-double-diaphragm-replacement-parts-21-ddp18-replacement-valve-gasket","title":"ASAB DDP18 Replacement Parts #21 - Valve Gasket","description":"\u003cp data-start=\"0\" data-end=\"29\"\u003e\u003cstrong\u003ePart Code: ASAB-SDDP18-21\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"31\" data-end=\"379\"\u003eIntroducing the \u003cstrong data-start=\"47\" data-end=\"74\"\u003eASAB DDP18 Valve Gasket\u003c\/strong\u003e — a critical sealing gasket designed to maintain a leak-free seal around the \u003cstrong data-start=\"152\" data-end=\"169\"\u003evalve section\u003c\/strong\u003e of the \u003cstrong data-start=\"177\" data-end=\"213\"\u003eASAB DDP18 Double Diaphragm Pump\u003c\/strong\u003e. This gasket helps prevent bypass and weeping at the valve housing interface, supporting consistent prime, stable flow, and proper valve function under cycling load.\u003c\/p\u003e\n\u003cp data-start=\"381\" data-end=\"813\"\u003eA valve gasket that’s \u003cstrong data-start=\"403\" data-end=\"454\"\u003eflattened, torn, nicked, or chemically attacked\u003c\/strong\u003e is a common cause of \u003cstrong data-start=\"476\" data-end=\"564\"\u003edrips at the valve block, loss of prime, reduced efficiency, or inconsistent pumping\u003c\/strong\u003e (often worse after a clean-out or rebuild if the old gasket gets reused). Replacing the gasket during any valve service is cheap insurance — it keeps sealing faces tight and helps stop debris or air ingress from creating bigger problems downstream.\u003c\/p\u003e\n\u003cp data-start=\"815\" data-end=\"1014\"\u003eWhether you’re rebuilding the wet end, servicing the check valves, or chasing a small leak before it turns into downtime, the \u003cstrong data-start=\"941\" data-end=\"959\"\u003eASAB-SDDP18-21\u003c\/strong\u003e is the right part to keep your DDP18 sealing properly.\u003c\/p\u003e\n\u003ch2 data-start=\"1021\" data-end=\"1036\"\u003eKey Benefits\u003c\/h2\u003e\n\u003cul data-start=\"1038\" data-end=\"1532\"\u003e\n\u003cli data-start=\"1038\" data-end=\"1096\"\u003e\n\u003cp data-start=\"1040\" data-end=\"1096\"\u003e\u003cstrong data-start=\"1040\" data-end=\"1075\"\u003eDirect replacement valve gasket\u003c\/strong\u003e for \u003cstrong data-start=\"1080\" data-end=\"1094\"\u003eASAB DDP18\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1097\" data-end=\"1171\"\u003e\n\u003cp data-start=\"1099\" data-end=\"1171\"\u003eHelps prevent \u003cstrong data-start=\"1113\" data-end=\"1130\"\u003eweeping\/leaks\u003c\/strong\u003e at the valve section sealing interface\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1172\" data-end=\"1251\"\u003e\n\u003cp data-start=\"1174\" data-end=\"1251\"\u003eSupports \u003cstrong data-start=\"1183\" data-end=\"1219\"\u003estable prime and consistent flow\u003c\/strong\u003e by maintaining proper sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1252\" data-end=\"1324\"\u003e\n\u003cp data-start=\"1254\" data-end=\"1324\"\u003eIdeal to replace during \u003cstrong data-start=\"1278\" data-end=\"1322\"\u003evalve services, clean-outs, and rebuilds\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1325\" data-end=\"1400\"\u003e\n\u003cp data-start=\"1327\" data-end=\"1400\"\u003ePrevents repeat issues caused by \u003cstrong data-start=\"1360\" data-end=\"1398\"\u003ereusing crushed or damaged gaskets\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1401\" data-end=\"1479\"\u003e\n\u003cp data-start=\"1403\" data-end=\"1479\"\u003eHelps protect valve performance by reducing risk of \u003cstrong data-start=\"1455\" data-end=\"1477\"\u003eair ingress\/bypass\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1480\" data-end=\"1532\"\u003e\n\u003cp data-start=\"1482\" data-end=\"1532\"\u003eWorkshop-ready spare for fast turnaround repairs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1539\" data-end=\"1557\"\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul data-start=\"1559\" data-end=\"1604\"\u003e\n\u003cli data-start=\"1559\" data-end=\"1604\"\u003e\n\u003cp data-start=\"1561\" data-end=\"1604\"\u003e\u003cstrong data-start=\"1561\" data-end=\"1583\"\u003eDDP18 Valve Gasket\u003c\/strong\u003e — \u003cstrong data-start=\"1586\" data-end=\"1604\"\u003eASAB-SDDP18-21\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1611\" data-end=\"1628\"\u003eSafety Check\u003c\/h2\u003e\n\u003cul data-start=\"1630\" data-end=\"2382\"\u003e\n\u003cli data-start=\"1630\" data-end=\"1775\"\u003e\n\u003cp data-start=\"1632\" data-end=\"1775\"\u003e\u003cstrong data-start=\"1632\" data-end=\"1667\"\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=\"1776\" data-end=\"1881\"\u003e\n\u003cp data-start=\"1778\" data-end=\"1881\"\u003e\u003cstrong data-start=\"1778\" data-end=\"1800\"\u003eChemical exposure:\u003c\/strong\u003e Wear gloves and eye protection — product can remain trapped in valve chambers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1882\" data-end=\"2005\"\u003e\n\u003cp data-start=\"1884\" data-end=\"2005\"\u003e\u003cstrong data-start=\"1884\" data-end=\"1917\"\u003eClean sealing faces properly:\u003c\/strong\u003e Remove old gasket material and debris; a dirty face will leak even with a new gasket.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2006\" data-end=\"2130\"\u003e\n\u003cp data-start=\"2008\" data-end=\"2130\"\u003e\u003cstrong data-start=\"2008\" data-end=\"2036\"\u003eInspect the valve block:\u003c\/strong\u003e Check for scoring, warping, or cracked housings — a gasket can’t fix damaged metal\/plastic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2131\" data-end=\"2264\"\u003e\n\u003cp data-start=\"2133\" data-end=\"2264\"\u003e\u003cstrong data-start=\"2133\" data-end=\"2153\"\u003eEven tightening:\u003c\/strong\u003e Reassemble using a cross-pattern and correct torque to avoid pinching the gasket or warping the valve block.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2265\" data-end=\"2382\"\u003e\n\u003cp data-start=\"2267\" data-end=\"2382\"\u003e\u003cstrong data-start=\"2267\" data-end=\"2286\"\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=\"2389\" data-end=\"2442\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2389\" data-end=\"2442\" 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":48349226041559,"sku":"ASAB-SDDP18-21","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-21-ddp18-replacement-valve-gasket","provider":"Australian Spray \u0026 Blast","version":"1.0","type":"link"}