Welded Purge Port 1.5 Sanitary Stainless Steel Ball Valve
- Model:
- JOV-BHM2007PG-11
- Place of Origin:
- Wenzhou, China
- Packing:
- Suitable Packing for Sea/Air Transport
- Quantity:
- 10000 PCS Per Year
- Payment:
- T/T, L/C, Western Union
- Medium:
- Water, Oil
- Material:
- SS304/SS316L
- Specification:
- 3/4"-4"
- Pressure:
- 0-10Bar
- Temperature:
- -20°~120°
- Gasket:
- PTFE
A sanitary ball valve engineered for microelectronics fabrication isolates ultra-high purity process streams through an encapsulated spherical core rotating inside chemically inert fluoropolymer seats. Integrated purge ports machined directly into extended welding tubes allow immediate inert gas flushing without breaking pipeline boundaries. Turning the polished sphere ninety degrees establishes instant isolation while eliminating moisture stagnation along sensitive fluid pathways.
Extended Tangents Prevent Thermal Seat Distortion During Orbital Welding
High-purity semiconductor distribution loops require continuous automated orbital welding to prevent gas contamination. Standard valves transfer excessive heat into internal seals when welding torches operate close to body cavities.
Utilizing sanitary stainless steel ball valves fitted with lengthened cylindrical ends isolates internal fluoropolymer seating from orbital welding temperatures. Ample weld clearances allow orbital welding heads to complete uniform circumference joints without necessitating center-body dismount inside cleanrooms.
Semiconductor Purge Port Configurations And Vacuum Containment Limits
Purge port geometries dictate trace gas clearance rates across microelectronics distribution skids:
| Auxiliary Port Diameter | Connection Geometry Interface | Helium Inboard Leak Rate | Operating Pressure Class | Fabrication Area Location |
|---|---|---|---|---|
| 0.25 Inch Integral Tube | Mini-Weld Stub Terminal | 1x10-9 mbar L/s Limit | 20 Bar Maximum Pressure | Bulk Gas Distribution Yard |
| 0.50 Inch Flanged Stub | VCR Compatible Face Seal | 1x10-10 mbar L/s Limit | 16 Bar Maximum Pressure | Sub-Fab Chemical Delivery Skid |
| 0.125 Inch Micro Port | Threadless Butt Weld End | 5x10-9 mbar L/s Limit | 25 Bar Maximum Pressure | Photolithography Tool Enclosure |
Dual Purge Ports Accelerate Inert Gas Evacuation Sequences
Switching corrosive dopant lines requires total moisture removal before chemical recharge sequences commence. Outfitting high-purity pipelines with dual purge connections permits continuous dry nitrogen sweeps across internal seats.
Technicians hook mass spectrometers directly onto downstream bleed ports to verify baseline vacuum integrity, ensuring zero atmospheric air lingers inside internal cavities prior to admitting reactive precursor vapors.
Header Pipeline Adaptation Across Secondary Utility Connections
Semiconductor facilities manage multiple cleanliness tiers between bulk supply loops and tertiary equipment lines. While permanent orbital weld lines dominate toxic gas distribution networks, connecting secondary solvent delivery loops often utilizes an adaptable 1.5 tri clamp ball valve.
Fastening external ferrule gaskets with an exterior ball valve clamp allows rapid reconfiguration across non-toxic wet chemical wash stations without requiring hot-work permits or pipe cutters.
Ultra-Pure Electropolishing Halts Microscopic Particle Shedding
Trace metallic ions spoil wafer yields across sub-micron deposition stages. Machining wet components from premium low-carbon 316L stainless steel provides an internal surface finish polished beyond 10 Ra microinches.
Electropolishing followed by chemical passivation elevates chrome-to-iron surface ratios, eliminating microscopic surface inclusions where moisture resides while preventing particle generation throughout continuous semiconductor operations.
Product Description
| Product Name: | 3PC Extended Welded Purge Port Ball Valve For Semiconductor Industry |
| Valve Body Material: | SS304/SS316L |
| Seal Material: | PTFE |
| Mex working pressure: | 10Bar |
| Max. Working Temperature: | 180 degree C |
| Availably size: | 1"-4", DN25-DN100 |
| Availably connection: | Clamp, weld, thread |
| Availably standard: | 3A/DIN/SMS/RJT/ISO/IDF |
| Operated: | Manual |
| Certificate: | ISO, PED/97/23/EC, FDA.177.2600 |
Product Parameter








