Product Name: 63mm Bottom Connection Pressure Gauge Case Model NO.: PTW0263 Pressure Chamber Structure: Vertical Surface Preparation: Polishing Material: Stainless Steel Machining: CNC Machining Application: Instrument Accessories Die Casting Method: Precision Die Casting Die Casting Machine Type: Cold Chamber Die Casting Machine Trademark: CSHERUN Transport Package: Cartoon Specification: 7 Origin: China HS Code: 9026900000 Product Description Pressure gauge casingModels PTW0263 PTW0100PTW0263 is used to DN63mm,PTW02100 is used to DN100MM.Bottom Connection to seal by o-ring - rear hole to fasten square by 2 screws- filling hole @ top of case, dia. To be suitable for rubber part with vent devise.- bayonet ring- fillable caseMaterial: SUS304, SUS316