{"product_id":"asab-ddp42-replacement-parts-14-diaphragm-set","title":"ASAB DDP42 Replacement Parts #14 - Diaphragm Set","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle data-turn=\"assistant\" data-scroll-anchor=\"true\" data-testid=\"conversation-turn-124\" data-turn-id=\"request-699fb776-2ecc-8399-9934-85dea0dd06b2-26\" dir=\"auto\" class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2-thinking\" dir=\"auto\" data-message-id=\"df4166d4-3ad1-4c79-847e-44bb33009797\" data-message-author-role=\"assistant\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-end=\"29\" data-start=\"0\"\u003e\u003cstrong\u003ePart Code: ASAB-SDDP42-14\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"438\" data-start=\"31\"\u003eIntroducing the \u003cstrong data-end=\"75\" data-start=\"47\"\u003eASAB DDP42 Diaphragm Set\u003c\/strong\u003e — a complete diaphragm replacement set engineered to restore smooth, reliable performance in \u003cstrong data-end=\"206\" data-start=\"169\"\u003eASAB DDP42 Double Diaphragm Pumps\u003c\/strong\u003e. Diaphragms are a primary wear component in any AODD pump, and when they start to fatigue you’ll often see \u003cstrong data-end=\"407\" data-start=\"314\"\u003eloss of output, inconsistent cycling, poor prime hold, or product\/air-side sealing issues\u003c\/strong\u003e depending on the failure mode.\u003c\/p\u003e\n\u003cp data-end=\"784\" data-start=\"440\"\u003eThis diaphragm set is the right choice for \u003cstrong data-end=\"506\" data-start=\"483\"\u003escheduled servicing\u003c\/strong\u003e or when you’re rebuilding a wet end to get the pump back to stable, efficient operation. Replacing diaphragms as a set helps ensure balanced flex, correct clamp load across the stack, and consistent stroke performance—especially important on higher-output pumps like the DDP42.\u003c\/p\u003e\n\u003cp data-end=\"998\" data-start=\"786\"\u003eWhether you’re doing preventative maintenance, fixing a pump that’s lost its punch, or rebuilding after a diaphragm failure, the \u003cstrong data-end=\"933\" data-start=\"915\"\u003eASAB-SDDP42-14\u003c\/strong\u003e is a workshop-ready solution to get your DDP42 back in the game.\u003c\/p\u003e\n\u003ch2 data-end=\"1020\" data-start=\"1005\"\u003eKey Benefits\u003c\/h2\u003e\n\u003cul data-end=\"1542\" data-start=\"1022\"\u003e\n\u003cli data-end=\"1094\" data-start=\"1022\"\u003e\n\u003cp data-end=\"1094\" data-start=\"1024\"\u003e\u003cstrong data-end=\"1050\" data-start=\"1024\"\u003eComplete diaphragm set\u003c\/strong\u003e for \u003cstrong data-end=\"1069\" data-start=\"1055\"\u003eASAB DDP42\u003c\/strong\u003e double diaphragm pumps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1168\" data-start=\"1095\"\u003e\n\u003cp data-end=\"1168\" data-start=\"1097\"\u003eRestores \u003cstrong data-end=\"1166\" data-start=\"1106\"\u003econsistent output, stable cycling, and prime reliability\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1242\" data-start=\"1169\"\u003e\n\u003cp data-end=\"1242\" data-start=\"1171\"\u003eIdeal for \u003cstrong data-end=\"1201\" data-start=\"1181\"\u003ewet-end rebuilds\u003c\/strong\u003e and scheduled preventative maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1332\" data-start=\"1243\"\u003e\n\u003cp data-end=\"1332\" data-start=\"1245\"\u003eHelps address symptoms like \u003cstrong data-end=\"1330\" data-start=\"1273\"\u003ereduced flow, surging, erratic cycling, or prime loss\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1406\" data-start=\"1333\"\u003e\n\u003cp data-end=\"1406\" data-start=\"1335\"\u003eReplacing as a set supports \u003cstrong data-end=\"1404\" data-start=\"1363\"\u003ebalanced flex and longer service life\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1487\" data-start=\"1407\"\u003e\n\u003cp data-end=\"1487\" data-start=\"1409\"\u003eReduces risk of repeat downtime from \u003cstrong data-end=\"1485\" data-start=\"1446\"\u003emixed old\/new diaphragm performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1542\" data-start=\"1488\"\u003e\n\u003cp data-end=\"1542\" data-start=\"1490\"\u003eBuilt for \u003cstrong data-end=\"1540\" data-start=\"1500\"\u003ecommercial workshop and job-site use\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1567\" data-start=\"1549\"\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul data-end=\"1615\" data-start=\"1569\"\u003e\n\u003cli data-end=\"1615\" data-start=\"1569\"\u003e\n\u003cp data-end=\"1615\" data-start=\"1571\"\u003e\u003cstrong data-end=\"1594\" data-start=\"1571\"\u003eDDP42 Diaphragm Set\u003c\/strong\u003e — \u003cstrong data-end=\"1615\" data-start=\"1597\"\u003eASAB-SDDP42-14\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1639\" data-start=\"1622\"\u003eSafety Check\u003c\/h2\u003e\n\u003cul data-end=\"2391\" data-start=\"1641\"\u003e\n\u003cli data-end=\"1786\" data-start=\"1641\"\u003e\n\u003cp data-end=\"1786\" data-start=\"1643\"\u003e\u003cstrong data-end=\"1678\" data-start=\"1643\"\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-end=\"1890\" data-start=\"1787\"\u003e\n\u003cp data-end=\"1890\" data-start=\"1789\"\u003e\u003cstrong data-end=\"1811\" data-start=\"1789\"\u003eChemical exposure:\u003c\/strong\u003e Wear gloves and eye protection — product can remain trapped in the chambers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2001\" data-start=\"1891\"\u003e\n\u003cp data-end=\"2001\" data-start=\"1893\"\u003e\u003cstrong data-end=\"1917\" data-start=\"1893\"\u003eKeep parts in order:\u003c\/strong\u003e Note diaphragm stack orientation during strip-down to avoid incorrect reassembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2141\" data-start=\"2002\"\u003e\n\u003cp data-end=\"2141\" data-start=\"2004\"\u003e\u003cstrong data-end=\"2029\" data-start=\"2004\"\u003eInspect mating parts:\u003c\/strong\u003e Check plates, pads, seals\/O-rings, and valve components—don’t bolt new diaphragms onto damaged sealing faces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2265\" data-start=\"2142\"\u003e\n\u003cp data-end=\"2265\" data-start=\"2144\"\u003e\u003cstrong data-end=\"2164\" data-start=\"2144\"\u003eEven tightening:\u003c\/strong\u003e Reassemble using a cross-pattern and correct torque to prevent pinching or uneven diaphragm clamp.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2391\" data-start=\"2266\"\u003e\n\u003cp data-end=\"2391\" data-start=\"2268\"\u003e\u003cstrong data-end=\"2287\" data-start=\"2268\"\u003eTest gradually:\u003c\/strong\u003e Bring air pressure up slowly, confirm smooth cycling and no leaks, then return to operating conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong data-is-last-node=\"\" data-end=\"2451\" data-start=\"2398\"\u003eASAB – Engineered for Performance, Built to Last.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Australian Spray \u0026 Blast","offers":[{"title":"Default Title","offer_id":48355203186903,"sku":"ASAB-SDDP42-14","price":152.54,"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-ddp42-replacement-parts-14-diaphragm-set","provider":"Australian Spray \u0026 Blast","version":"1.0","type":"link"}