- PART NUMBER450010
- WEIGHT LBS3
- Supply TypeManufacturer, Exporter, Supplier
- Preferred Buyer Location All over the world
Weld neck, 4-inch O.D. Pyrex® 7740 borosilicate optical glass 4-inch diameter nominal viewing area Type 304 stainless steel mounting Viton® O-ring seal Replaceable glass Description Economical visual quality viewport used on high vacuum chambers. Weldable configuration allows installation on a custom built stainless steel chamber. The replaceable viewport glass is captured between two elastomer O-rings. The viewport can be easily disassembled by removing four screws from the retainer ring.