Swagelok Nupro 2.75 ConFlat Butterfly Valve 304-24VF BG Uninstalled Spare for Sale

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Swagelok Nupro 2.75 ConFlat Butterfly Valve 304-24VF BG Uninstalled Spare For Sale

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Swagelok Nupro 2.75 ConFlat Butterfly Valve 304-24VF BG Uninstalled Spare:
$475.00

CONFLAT SOLUTIONS | SILVER STANDARD AUDIT | NUPRO-304-24VF-BG-NOS TECHNICAL_LOG: V6.18_NUPRO_BUTTERFLY_SPEC BUILD_SESSION: 2026.07.07.NUPRO_304_24VF NUPRO 304-24VF BG BUTTERFLY VALVE HIGH-CONDUCTANCE INLINE ISOLATION // DUAL 2.75" CF (DN40CF) // LEAK-TESTED UNISSUED SPARE // AUDITED NOS Forensic Intelligence Report: Kinetic Isolation Mechanics 01 High-Conductance Straight-Through Architecture Resolves a fundamental aerodynamic constraint in high-vacuum roughing and foreline architecture: providing immediate, quarter-turn inline isolation without choking molecular flow conductance. Unlike right-angle valves that force process gases to navigate a restrictive 90-degree corner, this butterfly valve provides a straight-through optical path. When the flapper is open, the impedance to the pumping line is practically zero, allowing turbomolecular and cryopumps to operate at peak volumetric efficiency. 02 Rapid Quarter-Turn Rotary Actuation Designed for critical process isolation, the quarter-turn rotary mechanism allows facility engineers to instantly lock off chamber segments, isolate roughing pumps during crossover, or secure process gas manifolds without the tedious, multi-turn winding of standard bellows valves. 03 Forensic Sealing & Leak Audit: Verified NOS Technically audited (Tier 1). Asset confirmed as an unissued, uninstalled backup spare holding zero hours of operational utility or process gas exposure. To verify absolute operational readiness, this valve has undergone forensic bench testing. The internal sealing mechanism actuates smoothly without binding and holds vacuum integrity. Under magnification, both 2.75" ConFlat circular knife-edges are mathematically perfect and verified completely free of bolt-torque witness marks, copper gasket deposition, or drop impact flat-spots. Forensic Component Matrix Component Interface Forensic Constants & Identifiers Audit Verification Status Manufacturer Nupro Company (Swagelok Affiliate, USA) Confirmed via cast stamp and label Model Designation 304-24VF BG Series Butterfly Valve Pristine uninstalled tracking verified Primary Flanges Dual 2.75" ConFlat standard (DN40CF) Knife-edges verified planar and factory-sharp Actuator System Manual Quarter-Turn Rotary Lever Rotation tested; precise travel without backlash Internal Bore Purity Polished Stainless Steel (Flapper & Housing) Cleanroom solvent wiped; zero volatile residue Vacuum Hermeticity 1 × 10-9 Torr (UHV rating) Bench leak-tested; baseline hermetic stasis active II. Geometrical Parameters (Audit Confirmed) A. DN40CF Flange Interfaces Flange Outer Diameter: 2.75" (69.8 mm)
Bolt Holes: 6-bolt standard clearance per flange
Internal Port Through-Bore: Nominal 1.00" (25.4 mm) B. Physical Footprint Actuator Handle Swing: 90° full arc travel
Flange-to-Flange Length: Standard tight-profile envelope
Drive Lever: Heavy manual phenolic handle grip ⚙️ Operational Directives & Integration Protocol Installation Protocol: Mount using standard OFHC copper gaskets. Use a standard cross-pattern torque sequence to preserve flange knife-edge planarity. Clean matching surfaces rigorously prior to final integration. System Commissioning: Actuate manually to verify full 90° sweep clearances before closing process panels. Keep internal butterfly flapper wetted seats free of particulate collection, which can score the elastomer seal and compromise long-term vacuum tight sealing integrity. ManufacturerNupro (Swagelok) Model Number304-24VF BG Interface StyleDual 2.75" CF (DN40) Actuation TypeQuarter-Turn Rotary Vacuum Limit1 × 10-9 Torr (UHV) Metallurgy DNA304 Stainless Steel Testing StatusBench Leak-Tested ConditionAudited NOS (New) Hardware Status Matrix Tier 1: Audited NOS Pristine. Unissued surplus. ✓ CURRENT STATUS Tier 2: Audited Used Performance Vetted. Not Applicable Tier 3: Audited Used Cosmetic Marks Disclosed. Not Applicable BLUE DIAMOND PROTECTION PROTOCOL: ACTIVE

TOP RATED PROTECTION: This listing qualifies for Free 30-Day Domestic Returns. Per Seller Protection policy for Top Rated Plus members, any item returned in a condition different from the original shipment (including but not limited to: structural knife-edge scratches, flapper seat deformation from over-torqued manual limits, or chemical/plasma process contamination) will instantly trigger a mandatory 50% deduction from the complete refund amount to protect the remaining uncommissioned utility value of this pristine unissued asset.

Acquisition Logic Critical Path Lead-Time Killer • ISOLATION NODE READY

Condition: Audited NOS
Nupro (Swagelok) Brand
High-Conductance Inline
Dual 2.75" CF Flanges
Bench Leak-Tested
30-Day Integrity Warranty

Tiered Logistics 🚚 Standard: 2–5 Days
✈️ Expedited: 2 Days
⚡ Emergency: Next Day ★ QUALIFIED FOR INTERNATIONAL eIS

* Weight Class: ~4.50 lbs.
* Artifact secured with dual face caps and sealed in moisture-barrier wrap to guarantee knife-edge preservation in transit.