double window design, sight glass manufacturer india - Flowbiz

Double Window Sight Glass: High-Precision Process Monitoring by FlowBiz

A Double Window Sight Glass (also known as a Sight Flow Indicator) is a critical pipeline accessory used to visually inspect the flow, color, and clarity of process fluids. FlowBiz Exports Pvt Ltd is a premier manufacturer in Ahmedabad and Mumbai, providing robust sight glasses engineered for the most demanding industrial environments.

Why Choose Double Window Construction?

The Double Window design features two Toughened Borosilicate Glasses mounted opposite each other. This configuration offers distinct advantages:

  • Superior Visibility: Natural light can pass through one window to illuminate the fluid, making it significantly easier to monitor the process from the other side.
  • Inline Maintenance: FlowBiz sight glasses are specifically engineered to allow for glass replacement without disassembling the entire unit from the process line, reducing downtime.
  • Resilience: The double-window structure performs exceptionally well under higher pressures and temperatures compared to tubular or single-window designs.

Technical Specifications & Features

FlowBiz Sight Flow Indicators are available in various formations to suit your piping integrity requirements:

Feature

Technical Specification

Glass Material

Toughened Borosilicate (High Thermal Shock Resistance)

Body Materials

Carbon Steel (WCB), Stainless Steel (CF8/CF8M/CF3M)

End Connections

Flanged (ANSI 150#, 300#) and Threaded (NPT/BSP)

Internal Indicators

Optional Drip Tubes, Flappers, or Rotary Wheels to confirm flow

Temperature Range

Suitable for cryogenic to high-heat industrial applications

Salient Advantages

  • Integrity Monitoring: Affirm flow rate, direction, and fluid clarity without compromising the sealed piping system.
  • Quick Diagnostics: An affordable and reliable way to spot bubbles, scale, or contaminants in real-time.
  • Corrosion Resistance: SS316/316L bodies ensure longevity when monitoring aggressive chemicals or caustic fluids.

India’s Leading Sight Glass Manufacturer & Global Exporter

FlowBiz Exports provides technical excellence and rapid logistics to industrial hubs across India and international markets.

  • Gujarat Presence: Vapi, Valsad, Bharuch, Ankleshwar, Sanand, Gandhidham, Dahej, and Mundra.
  • Maharashtra Operations: Mumbai, Pune, Nashik, Nagpur, Aurangabad, and Ambernath.
  • Global Reach: Exporting to Dubai, Turkey, Africa, Bangladesh, Thailand, and Vietnam.

The FlowBiz Flow Control Portfolio:

  • Valves: Gate, Globe, Ball, Butterfly, Knife Edge, and Diaphragm Valves.
  • Safety: Non-Return Valves (NRV), Dual Plate Check, and Foot Valves.
  • Filtration: Y-Type, Basket, and Pot Type Strainers.

Is your process fluid too dark or turbulent to monitor with a standard indicator?

Contact FlowBiz Exports Pvt Ltd today. We offer customized sight glasses with Rotary Indicators or Flappers to provide a clear visual cue of movement, even in opaque or slow-moving liquid lines.