DN15-150 Glass tube sight glassDetailed product description：

Product Overview:
Glass tube sight glass is one of the main accessories on industrial pipeline equipment. In pipelines of industrial production equipment such as petroleum, chemical, pharmaceutical, food, etc., the sight glass can observe the flow and reaction of liquid, gas, steam and other media in the pipeline at any time, playing a role in monitoring production and avoiding accidents during the production process.

Main technical parameters:
Shell material: Carbon steel WCB, stainless steel 304, 321, 316, 316L, steel lined PTFE.
Window material: tempered borosilicate glass, quartz glass.
Sealing material: Nitrile rubber, polytetrafluoroethylene.
Working pressure (MPa): ≤ 0.6
Working temperature (℃): 0~200 ℃

Glass tube sight glass:

Shell constitution	Carbon steel WCB, stainless steel 304, 321, 316, 316L, steel lined PTFE
Window material	Tempered borosilicate glass
Working temperature (℃)	0~200
Operating pressure (MPa)	＜0.6
Seal material	Nitrile rubber, polytetrafluoroethylene
connection type	Threaded connection, flange connection
Allow sudden temperature changes (℃)	＜60

Flange connection size:

G	DN	L	D	D1	D2	N-фd
1/2	fifteen	two hundred and fifty	ninety-five	sixty-five	forty-six	4-ф14
3/4	twenty	two hundred and fifty	one hundred and five	seventy-five	fifty-five	4-ф14
one	twenty-five	two hundred and fifty	one hundred and fifteen	eighty-five	sixty-five	4-ф14
1-1/4	thirty-two	two hundred and fifty	one hundred and thirty-five	one hundred	seventy-eight	4-ф18
1-1/2	forty	two hundred and fifty	one hundred and forty-five	one hundred and ten	eighty-five	4-ф18
two	fifty	two hundred and fifty	one hundred and sixty	one hundred and twenty-five	one hundred	4-ф18
2-1/2	sixty-five	two hundred and fifty	one hundred and eighty	one hundred and forty-five	one hundred and twenty	4-ф18
three	eighty	two hundred and fifty	one hundred and ninety-five	one hundred and sixty	one hundred and thirty-five	4-ф18
four	one hundred	two hundred and fifty	two hundred and fifteen	one hundred and eighty	one hundred and fifty-five	8-ф18
five	one hundred and twenty-five	two hundred and fifty	two hundred and forty-five	two hundred and ten	one hundred and eighty-five	8-ф18
six	one hundred and fifty	two hundred and fifty	two hundred and eighty	two hundred and forty	two hundred and ten	8-ф23

Flange standard: HG20592-97PN1.0. When customers require GB, SH, HGI, JB, ANSI, JIS or other standards or change the pressure rating, please specify in the purchase contract.