{"product_id":"cir90-low-air-pressure-dth-hammer","title":"CIR90 Low-Pressure DTH Hammer — Confirm Top-Sub Configuration","description":"\u003cdiv class=\"perfomax-product-content\"\u003e\n\u003cp\u003e\u003cstrong\u003eCIR90 low-pressure DTH hammer inquiry page.\u003c\/strong\u003e The matching bit-shank family, pipe-side top-sub thread and shoulder, operating pressure and air demand at stated conditions, bit and hole range, dimensions, mass and service configuration are not supply guarantees on this page. Confirm them against the PerfoMax quotation drawing and controlled data sheet before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility notice:\u003c\/strong\u003e the current page reference T48×10 and the 76 mm pipe designation API 2-3\/8 REG are different connection identities and must not be treated as a direct mate. CIR90 naming and pipe outside diameter do not prove compatibility. Do not represent these products as a complete system unless the quotation includes a controlled alternate-top-sub or crossover drawing that identifies both mating threads, shoulders, directions and drawing revision.\u003c\/p\u003e\n\u003ch2\u003eConfiguration identity\u003c\/h2\u003e\n\u003cp\u003ePFM-CIR90 is an inquiry reference, not a complete orderable SKU. It does not define the matching bit-shank family, top-sub, pipe connection, pressure and flow conditions, bit, hole range or service configuration.\u003c\/p\u003e\n\u003ch2\u003eControlled configuration to confirm\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMatching bit-shank family accepted by the supplied hammer.\u003c\/li\u003e\n\u003cli\u003eSupplied or proposed hammer pipe-side top-sub thread, shoulder and direction.\u003c\/li\u003e\n\u003cli\u003eIntended drill-pipe thread, shoulder and direction.\u003c\/li\u003e\n\u003cli\u003eConnection state: direct match proven, alternate top sub proposed, crossover proposed or not known, with no default.\u003c\/li\u003e\n\u003cli\u003eOperating pressure and air demand with stated conditions.\u003c\/li\u003e\n\u003cli\u003eBit and hole range, outside diameter, length, mass, foot-valve requirement and service-kit version.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBuyer inputs\u003c\/h2\u003e\n\u003cp\u003eSend the rig and compressor details, current hammer, bit and pipe markings, photos or drawings of both interfaces, intended hole and rock conditions, quantity and destination. An unknown interface may enter an identification inquiry, but it must not proceed as a configuration-specific technical quotation or be represented as a matched system until both interfaces and the controlled drawing revision are resolved.\u003c\/p\u003e\n\u003ch2\u003eEngineering and quotation outputs\u003c\/h2\u003e\n\u003cp\u003eThe quotation must identify both mating interfaces, shoulders and directions, the connection solution, controlled drawing revision, operating-data conditions and configuration identity. A same-thread, alternate-top-sub or crossover statement requires the corresponding controlled drawing.\u003c\/p\u003e\n\u003ch2\u003eInspection and records boundary\u003c\/h2\u003e\n\u003cp\u003eThis page does not state the hammer mechanism, blow-tube construction, material, heat treatment, hardness, inspection method, record scope or packing as supplied facts. Any such requirement must be expressly accepted and defined in the written quotation or purchase order.\u003c\/p\u003e\n\u003csection class=\"pm-commercial-guide-links\" data-pm-seo-commercial-guides=\"v1\" aria-labelledby=\"pm-product-guides-heading\"\u003e\n\u003ch2 id=\"pm-product-guides-heading\"\u003eSelection \u0026amp; Technical Guides\u003c\/h2\u003e\n\u003cp\u003eUse these guides to prepare operating and interface questions; they do not establish the supplied CIR90 configuration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/technical-guides\/low-vs-high-pressure-dth-hammer-selection\"\u003eLow-Pressure vs High-Pressure DTH Hammers: How to Match Compressor and Application\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/technical-guides\/4-inch-vs-5-inch-dth-hammer-hole-diameter-air-supply\"\u003e4-Inch vs 5-Inch DTH Hammer: How to Match Hole Diameter and Air Supply\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/technical-guides\/dth-bit-shank-compatibility-hammer-foot-valve\"\u003eDTH Bit Shank Compatibility Guide: Match Hammer, Shank and Foot Valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/technical-guides\/dth-hammer-troubleshooting-low-penetration-no-impact\"\u003eDTH Hammer Troubleshooting: Low Penetration, No Impact, and Common Failure Causes\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/technical-guides\/dth-hammer-pre-shipment-inspection\"\u003eDTH Hammer Pre-Shipment Inspection Before Bulk Order: Buyer Acceptance Checklist\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"PerfoMax","offers":[{"title":"Default Title","offer_id":45659617001679,"sku":"PFM-CIR90","price":0.0,"currency_code":"CNY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/9308\/9999\/files\/A36d02979fc6d4454b0b7729b26e9bb80W.webp?v=1785287605","url":"https:\/\/perfomaxdrill.com\/products\/cir90-low-air-pressure-dth-hammer","provider":" PerfoMax","version":"1.0","type":"link"}