Multi-Connection Tubular Sight Glass for Flow and Level Monitoring

The multi-connection tubular sight glass is designed for inline pipeline observation, providing a clear 360° view of flow, liquid level, color, and impurities. It is widely used in hydraulic systems, cooling circuits, chemical processing, water treatment, and oil transfer pipelines.

The product consists of metal end fittings, a transparent tube, tie rods, and sealing gaskets. The end fittings are made of 304 stainless steel as standard, with 316 or 316L stainless steel available as options. Acrylic is the standard tube material for a cost-effective solution, while borosilicate or quartz glass can be customized for high-temperature applications. The structure allows easy disassembly and reliable sealing, with threaded, flanged, and sanitary clamp connections available in customizable sizes.

Multi-Connection Tubular Sight Glass

Specifications

Multi-connection tubular sight glass
HGS07-126/127 (2.5–6 kg/cm²)

Multi-connection tubular sight glass dimensional drawing

**Table 1:Multi-Connection Tubular Sight Glass** **Dimensions**
G	DN	L	D	D1	D2	N-Ød
1/2	15	250	95	65	55	4-Ø14
3/4	20	250	105	75	46	4-Ø14
1	25	250	115	85	65	4-Ø14
1¼	32	250	135	100	78	4-Ø18
1½	40	250	145	110	85	4-Ø18
2	50	250	160	125	100	4-Ø18
2½	65	250	180	145	120	4-Ø18
3	80	250	195	160	135	4-Ø18
4	100	250	215	180	155	8-Ø18
5	125	250	245	210	185	8-Ø18
6	150	250	280	240	210	4-Ø14

An array of tubular gauge glass is vertically placed on the desk.

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