SG-SB type equipment mirrorDetailed product description：

The SG-SB equipment sight glass is used in industrial production facilities such as petroleum, chemical, synthetic fiber, medicine, and food. It can observe the flow and reaction of liquids, gases, steam, and other media at any time, and is an indispensable accessory to ensure normal production.

SG-SB type equipment mirror technical parameters:

Shell material Body	Window Material Glass Material	S seal Seal Material	Working temperature (℃) Ambient Temperature	Operating pressure Operating Pressure	connection method Joint type	Allow sudden temperature changes (℃)
Carbon steel CS Stainless steel 304 Stainless Steel 316L Fiberglass FRP	Tempered borosilicate glass Borou Silicom	Nitrile rubber NBR Polytetrafluoroethylene PTFE	-10～250℃	0.6～2.5MPa	threaded connection Threaded flange connection Flange joint Welding connection Butt Welding joint	＜60℃
	quartz glass Quartz glass		-30～800℃	0.6～1.0 MPa
	soda-lime glass Natrium & Calcium		0～80℃	0.6～1.0 MPa

Flange standards: GB, HG, SH, HGJ, JB, ANSL, JIS and other standards. (User specified, please indicate pressure level)
Manufacturing and testing standards: Refer to "HGJ501-502-86 Pressure Vessel Sight Glass" for design, manufacturing, and acceptance.

Size chart:

DN	fifty	eighty	one hundred	one hundred and twenty-five	one hundred and fifty
L	one hundred and sixty-five	two hundred	two hundred and twenty	two hundred and fifty	two hundred and eighty-five
H	seventy-three	eighty-two	eighty-eight	ninety-five	one hundred

Ordering Notice:
1. Please indicate the product size, operating pressure, and material when placing an order.
2. When other standard flanges, materials, or operating pressures are required, please specify them when placing an order.