BSG Sight Gauge – Acrylic Insert Sight Gauge

The Bolted Sight Gauge comes with two different types of inserts and a gasket

Rubber Fab’s Bolted Sight Gauge provides fast, continuous inspection from all angles. It is available with either borosilicate or acrylic inserts and includes a Buna gasket.

TEMPERATURE:
Temperature rating for the borosilicate insert is dependent on temperature rating of gasket used in fitting connection. RFBSG comes standard with Buna gasket and a temperature rating of 250˚.
Borosilicate Insert: 250˚F
Acrylic Insert: 180˚F

Resources Additional Specs

Part Number	ID Inch	OAL Inch	No. of Bolts	Max. Working Pressure @ 70˚F Pyrex psi	Max. Working Pressure @ 70˚F Acrylic psi
08RFBSG	0.50	3.00	4	378	1400
12RFBSG	0.75	3.00	4	325	450
16RFBSG	1.00	3.63	4	215	439
24RFBSG	1.50	3.63	4	150	306
32RFBSG	2.00	3.63	4	130	234
40RFBSG	2.50	3.63	6	100	160
48RFBSG	3.00	3.63	6	95	234
64RFBSG	4.00	3.63	8	60	n/a
96RFBSG	6.00	4.63	8	33	n/a