... , valves, pipes and fittings.Tianyu stainless steel pipeline sight glass is designed for adaptation to new or existing equipment to ... an integral part of a pipeline system. Tianyu pipeline sight glass gives you the following features: Materials: SUS304SUS316LCoupling modes: welded, ... , Ball Check, Disk Check), Accessory Items and Component Partssight glass(sanitary sight glass,stainless steel sight ...