Circular Sight Glass Factory Heat-Resistant Round Shape Sight Circular Glass for Boiler

• After-sales Service: Yes
• Warranty: One Year
• Certification: CE, ISO13485
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: Aohong
• Shape: Round
• Head Code: Ohter
• Connection: Other
• Material: Boroslicate 3.3 Glass
• Working Temperature: 450 Degree
• Produce Name: Round Sight Glass
• Brand Name: Aohong
• Produce Material: Borosilicate Glass
• Transport Package: in Carton, Wooden Case
• Specification: diameter: 20mm to 650mm
• Trademark: aohong
• Origin: Henghsui, Hebei
• HS Code: 700600090
• Production Capacity: 50000 PCS/Month
• Package Size: 280.00cm * 230.00cm * 230.00cm
• Package Gross Weight: 15.000kg

Product Description

Product Description

Our offer includes sight glasses made of various materials, depending on environmental conditions (temperature, pressure, aggressive media).
The basic types of materials used for the manufacture of sight glasses are:

 soda-lime glass - widely available, cheap, working temperature up to 280 °C, 
 borosilicate glass - particularly suitable for use in aggressive environments (acids, alkalis, water  vapor), working temperature up to 450 °C,
 aluminosilicate glass -  working temperature up to 660 °C,
 glass-ceramics  - thermal shock resistant, working temperature up to 750 °C,
 quartz glass - with a broad spectrum light transmittance (from ultraviolet to infrared), working  temperature up to 1100 °C,

Product parameters

Name	Borosilicate round sight glass
Density	2.3 g/cm3
Working temperature	450 degree C
Thickness	2mm to 80mm
Diameter	20mm to 650mm
Brand	AOHONG

Company & workshop

Package
One glass in on white paper box, then in carton, final in wooden box.

FAQ
Q: Are you factory, or only a trading company?
A: Factory, and our factory is located in Taocheng District , Hengshui, Hebei.

Q:Could I get some samples, and how?
A: No problem, we provide free samples, and it is only needed for you to pay for the shipping charge, your courier account is also ok (such as DHL).

Q: Can you give me some discount?
A: Usually the discount depends on the quantity. However we can discuss it.

Q: What's the payment terms?
A: Our normal practice: 30% deposit of total amount before production, and 70% balance payment before shipment. However this is open for discussion.