Borosilicate Glass Tube Level Indicator

Borosilicate tubular gage glass is designed with a red line between two white lines. The color contrast makes it easier to read the liquid level. This is achieved by the application of specially developed paints that are bonded to the glass without etching. 

Material: Standard borosilicate glass 3.3

Diameters range from 1/2" OD to 1" OD

General Application: Tanks, reservoirs, low pressure boilers.

Ends Finish:may be cut, ground, or fire polished depending on application.

Pressure ratings range:from 90 PSI to 600 PSI depending on end finish, diameter, and length required.

Common size

O.D.1/2" ±0, -1/32 Wall 5/64"±1/64" Length 8-72"

O.D.5/8" ±0, 1/32 Wall 3-32" ±1/64" Length 8-72"

O.D. 3/4" ±0, 1/32 Wall 7/64" ±1/64" Length 8-72"

O.D. 1" ±0, 1/32 Wall 1/8" ±1/64" Length 8-72"

Hengshui Aohong Special Glass Manufacturing Co., Ltd. is a high-tech enterprise dedicated to producing, developing and selling all kinds of glass products with more than 20 years of experience. Equipped with the most advanced production equipment and the most complete testing instruments, we have more than 40 professional engineers and technicians. At the same time, the company has its own marketing department. Nearly 10 years of overseas export business makes employees have more comprehensive understanding for different countries and regions of glass products requirements. So we can serve customers better.

1.Can we get your free samples?
Yes, you can. Our free sample can be provided for our customers to test quality. But the freight for express is on buyer's account. The way we send it to you is via DHL, you can also call your local express to pick up samples from our office.

2.Can we do printing or label printing on the glass?
Yes, you can. We could offer various printing ways: screen printing, hot stamping, label printing.

3.What is the normal lead time?
For stock products, we will send goods to you within 24-48 hours after we receive your payment.For customer color bottle, we will ship out within 3-6 days.

4.What is your shipping terms?
A. For small trial order, FEDEX, DHL, UPS, TNT, etc can be provided.
B. For larger order, we can arrange shipment by sea or by air according to your requirement.

5.How does your factory do regarding quality control?
We do leak test for 3 times before packing.