UHV 2.75" CF 5-Way Conflat Cross & Borosilicate Viewport Set DN40 Audited
UHV 2.75인치 CF 5방향 콘플랫 크로스 및 붕규산염 뷰포트 세트 DN40 감사 완료
| 상품번호 | 366146530840 |
| 상태 | Used |
| 거래유형 | 즉시구매 |
| 출고국 | 미국 (US) |
이베이 판매가
$235
약 346,390원
구매대행 예상 비용은 로그인 후 확인하실 수 있습니다.
상품 설명
TECHNICAL_LOG: V5.0_MASTER_RELEASE
BUILD_SESSION: 2026.04.17.DN40_5WAY_VETTED
MDC | 2.75" CF 5-WAY CROSS & VIEWPORT SET | USED
THE "PENT-AXIAL" DIAGNOSTIC HUB // DN40CF SYMMETRIC CROSS // 1.5" BOROSILICATE VIEWPORT // AUDITED USED
Forensic Audit: structural Integration Intelligence
01
High-Density Pent-Axial Distribution
Features a precision-machined symmetric 5-way cross chassis forged from 304 Stainless Steel. Engineered for maximum port density within the DN40 boundary, this hub facilitates the simultaneous integration of pumping forelines, analytical instrumentation, and sample transfer probes. Straight-bore architecture ensures zero molecular flow bottlenecks across the primary X and Y axes.
02
Integrated 1.5" Borosilicate Viewport Authority
Populated with a removable 2.75" CF mounted viewport featuring a 1.5 inch (38.1mm) clear viewing aperture. The heavy-duty Tempered Borosilicate substrate (Kovar-sealing 7056 equiv.) is vetted for absolute line-of-sight monitoring of plasma ignition, sample alignment, or electron-beam bombardment sequences. Removability allows for rapid port reconfiguration as research requirements evolve.
03
Forensic Sealing Audit: Verified USED - Hex-Interface
Technically audited (Tier 3). Forensic visual audit under 10x magnification confirms all six (6) ConFlat (DN40CF) knife-edge sealing interfaces—five on the cross and one on the viewport—are verified **sharp and unscoured**. Chassis welds are helium leak-checked for UHV-tight performance. Optic is verified free of vacuum-side etching or conductive deposits. Ready for base pressures reaching the 1 × 10-10 Torr threshold.
MANUFACTURERMDC PRECISION / SPECIALIZED
HUB TYPE5-WAY CROSS HUB
INTERFACE SIZE2.75" CF (DN40CF)
VIEW DIAMETER1.50 INCH (38.1mm)
OPTIC MATERIALTEMPERED BOROSILICATE
METALLURGY DNA304 STAINLESS STEEL
VACUUM LIMIT1 × 10-10 TORR
CONDITIONAUDITED USED (VETTED)
Hardware Status Matrix
Tier 1: Audited NOB
Pristine condition.
Not Applicable
Tier 2: Seller Refurbished
Performance Vetted.
Not Applicable
Tier 3: Audited Used
Verified Set Baseline.
✓ CURRENT STATUS
BLUE DIAMOND PROTECTION PROTOCOL: ACTIVE
TOP RATED PROTECTION: This listing qualifies for Free 30-Day Domestic Returns. Per eBay Seller Protection policy for Top Rated Plus members, any item returned in a condition different from the original shipment (including but not limited to: **new swage witnesses on any of the 6 knife-edges**, scratches to the viewport optic, or atmospheric contamination) will result in a 50% deduction ($122.50) from the refund to account for the total loss in technical utility and resale value. Technical utility verified prior to shipment.