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Sight Glass Factory

Xinxiang Xinbo Glass Quartz Products Co., LTD

Premium Industrial Sight Glasses & Quartz Solutions

Manufacturing high-performance sight glasses, quartz plates, tubes, and custom glass components for chemical, petroleum, pharmaceutical, and industrial applications since 2005.

Industrial Sight Glass
Factory Overview

About Xinxiang Xinbo Glass Quartz Products Co., LTD

Located in downtown Xinxiang City, Henan Province, China, Xinxiang Xinbo Glass Quartz Products Co., LTD is a trusted manufacturer, processor, and trader of all kinds of industrial glass products. We specialize in high-quality quartz glass, sight glasses, level gauges, and custom-shaped glass components.

With years of dedicated effort, we have developed a successful series of quartz glass products known for their durability, clarity, and thermal resistance. Our team includes elite sales professionals and skilled R&D staff committed to innovation and customer satisfaction.

15+
Years Experience
50+
Global Clients
100%
Quality Tested

Our Product Range

We offer a comprehensive selection of industrial glass products designed for reliability, clarity, and performance under extreme conditions.

Quartz Glass Plate

Quartz Glass

High-purity fused quartz with excellent thermal shock resistance. Temperature range: 0–1200°C. Ideal for high-temperature industrial and laboratory applications.

  • • High transparency & UV resistance
  • • Low thermal expansion
  • • Chemical inertness
Instrument Panel Glass

Instrument Panel Glass

Precision-cut tempered glass for control panels and instrumentation. Available with beveled edges, printed markings, and anti-reflective coatings.

  • • Tempered for safety
  • • Custom shapes & sizes
  • • Scratch-resistant
Flange Sight Glass

Flange Sight Glass

Wafer-type straight-through sight glass with flange connection. Used for monitoring fluid flow in pipelines. Materials: carbon steel, 304, 316L stainless steel.

  • • DN15–DN80 sizes
  • • Max pressure: 10 bar
  • • PTFE sealing gasket
Level Gauge Glass

Level Gauge Glass

Ground and tempered glass sheets for water level indicators. High clarity with step-edge design for secure mounting in boilers and tanks.

  • • Heat-resistant up to 200°C
  • • Beveled & ground edges
  • • Laminated options
Shaped Glass

Shaped Glass

Custom-cut glass components including round, oval, and irregular shapes. Ideal for specialized industrial enclosures and viewports.

  • • CNC precision cutting
  • • Tempered or annealed
  • • Drilled & polished edges
Glass Tube

Glass Tube

High-quality quartz and borosilicate glass tubing. Available in various diameters and lengths for laboratory and industrial use.

  • • OD: 5–100mm
  • • Length up to 1500mm
  • • High thermal resistance
Glass Rod

Glass Rod

Precision-drawn quartz and borosilicate glass rods. Used in sealing, welding, and custom fabrication applications.

  • • Diameter: 1–50mm
  • • High purity
  • • Excellent thermal stability
Laminated Sight Glass

Laminated Sight Glass

Two-piece glued laminated sight glass discs for enhanced safety and durability in high-pressure systems.

  • • Double-layer construction
  • • Impact resistant
  • • Suitable for critical applications

Why Choose Sight Glass Factory?

1

High-Quality Materials

We use only premium quartz, borosilicate, and tempered glass with strict quality control at every stage.

2

Custom Manufacturing

We offer OEM/ODM services with custom shapes, sizes, drilling, and printing to meet your exact needs.

3

Global Export

Products shipped worldwide with reliable logistics and documentation support.

4

Fast Response

Dedicated sales team available 24/7 via WhatsApp, email, and phone for immediate support.

15+
Years in Business
200+
Products Available
50+
Countries Served
99.8%
Customer Satisfaction

News & Events

Understanding Wafer Type Sight Glass

There is no official name for "Wafer Type Sight Glass." In this pipe sight glass, one of the styles is to clamp the middle flange of the glass sheet with long bolts to fix the window glass. This structure is commonly referred to as Wafer Type Straight-Through Sight Glass.

These sight glasses are essential accessories in industrial pipeline systems, allowing real-time monitoring of liquid, gas, and steam flow to prevent accidents. Commonly used in petroleum, chemical, pharmaceutical, and chemical fiber industries.

Main materials: carbon steel, 304, 316, 316L stainless steel. Temperature limits depend on glass type: tempered glass (0–200°C), borosilicate (0–450°C), quartz (0–600°C).

Sealing: PTFE gasket. Connection types: flange, thread, welding. Custom designs available upon request.

Get in Touch

For inquiries, quotes, or technical support, contact our team directly. We respond within 24 hours.

Phone / WhatsApp

+86 13373730761

Email

info@sightglassfactory.com

Location

No.2, 7th Building, Xinyun Block
Xinxiang City, Henan Province, China

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