Xinxiang Xinbo Glass Quartz Products Co., Ltd.: is a professional chemical glass instrument production company integrating development, design, production, sales and after-sales service. The company has a modern management team, relying on advanced management methods and service concepts, relying on local government policies, talents, environment and other advantages, has become a well-known enterprise in the industrial glass instrumentation industry. The company’s quartz glass tubes, quartz glass sight glasses, quartz flanges, high borosilicate glass sight glasses, tempered glass sight glasses, liquid level gauge glass plates, stainless steel flange sight glasses and other products have formed the industrial boiler pipeline industry. Serialized products used. The powerful design team can undertake the processing and customization of various non-standard and unconventional glass mirrors and flange glass.

It is a kind of flange pressure manhole, also known as pressure manhole. The manhole cover is composed of a whole piece of glass clamped by the flange, which is more convenient to observe the operation of the material in the equipment container. The working pressure is about 0.25MPa, which can be customized according to customer requirements. When installing the nuts on the manhole cover, apply force evenly in pairs to prevent glass damage caused by deformation of the cover or uneven force. All pressure vessels or non-pressure vessel manholes adopt quick-opening structure, which is convenient and safe to open, beautiful and practical in appearance.

product properties

Structure: Round, quick-opening structure, connected by two flanges. A sight glass is installed on the manhole cover. Material quality: SUS304, 316L, etc. Size: Nominal diameter DN150mm—600mm (Non-standard products can be processed according to user requirements for drawings and samples) Smoothness: internal and external surface mirror polished