Welcome to the premier engineering authority for direct inline process observation, fluid turbulence monitoring, and high-visibility pipeline monitoring components. Operating high-precision metal fabrication lines, multi-axis CNC machining complexes, and certified hydrostatic pressure containment cells, FlowBiz Export Pvt Ltd manufactures the Full View Sight Glass, designed to provide a complete, unobstructed view of fluid flow within a pipeline or tank.
This specialized monitoring instrument serves a wide range of applications in industries where visual observation and monitoring of liquid or gas processes are critical. Manufactured in Rajkot, India, in full compliance with international safety regulations, our standard-sized sight glasses provide plant operators with a rugged, leak-free window into their active process grids.
Every Full View Sight Glass assembly undergoes 100% rigorous thermal shock validation, hydrostatic pressure shell testing, and flange face flatness checks before leaving our Rajkot factory floor.
| Engineering Parameter | Certified Product Specifications & Compliance Codes |
| Design Standards | Fully compliant with ASME B16.34, DIN 7080, and BS 3463 rules |
| Testing Standards | 100% hydrostatically verified to API 598 casing pressure benchmarks |
| Visibility Matrix | 360-Degree Cylindrical Full-View unobstructed observation window |
| Size Portfolio Range | Complete matrix ranging from 1/2 inch to 12 inches (15mm to 600mm) |
| Pressure Class Control | Precision-engineered for ANSI Class 150, Class 300, PN10, and PN16 lines |
| Operating Temperature | Up to 150C with Borosilicate; up to 300C with customized Quartz glass |
| Body Construction MOC | Carbon Steel, Premium Mild Steel (MS), SS304, or SS316 Stainless Steel |
| Glass Tube Medium | Toughened Borosilicate Glass / Heavy-Wall Pyrex Tube (High Shock Rating) |
| Sealing Gasket Liner | Anti-Leaching PTFE / EPDM / Viton Envelope Gaskets |
| End Connection Interface | Flanged End (ASME B16.5), Screwed End, or Welded End options |
| Hardware Components | Heavy-Duty SS304 Stud Tie-Rods providing balanced compression loads |
| External Visual Finish | Industrial-grade protective coating finished in a resilient Silver Finish |
HEAVY-DUTY TOP FLANGE (ASME B16.5) +===================================+ | [ PTFE Cushion Gasket ] | +-----------------------------------+ | | | 360 TOUGHENED CYLINDRICAL | <--- Structural Tie- | BOROSILICATE GLASS | Tie- Support Rods | (Unobstructed VIEW) | Rods Studs | | +-----------------------------------+ | [ PTFE Cushion Gasket ] | +===================================+ HEAVY-DUTY BOTTOM FLANGE (ASME B16.5) Unlike traditional double-window sight indicators that limit observation to two small opposite ports, the FlowBiz Full View Sight Glass utilizes a heavy-wall cylindrical borosilicate glass column. This design creates a continuous, panoramic viewing area across the entire perimeter of the pipeline segment. Operators can easily check fluid color, monitoring bubbles, pipeline turbidity, scaling, slurry separation, and steady flow characteristics from any angle on the processing floor.
Visual glass components are naturally sensitive to piping misalignment and irregular structural stresses. To safeguard the borosilicate column, our Rajkot facility utilizes an array of heavy-duty stainless steel stud tie-rods that span parallel to the glass tube between the two primary metal end flanges. These rods absorb all pipeline compression and tension loads, keeping the pressure-retaining glass tube completely isolated from structural pipeline bending moments.
Our assembly sandwiches the glass column between premium, chemical-resistant PTFE envelope gaskets. This configuration isolates the glass edges from direct metal contact, absorbing mechanical thermal expansions and pipeline vibrations. The high-purity glass chemistry offers excellent resistance to thermal shocks, chemical etching, and sudden process temperature fluctuations, ensuring maximum field safety.
Our Full View Sight Glass is crafted using premium MS material, ensuring durability and high mechanical resistance to corrosion. Its robust silver finish not only provides aesthetic appeal but also stands up to the harsh weather conditions, moisture, and chemical washes often encountered in industrial environments.
FlowBiz Export Pvt Ltd manufactures the Full View Sight Glass in strict compliance with industry standards and regulations, making it highly suitable for widespread use across multiple sectors:
Chemical Processing & Petrochemical Plants: Visual tracking of chemical mixing lines, solvent transfers, acid blending headers, and liquid reagent routing.
Oil & Gas Lines: Monitoring crude separation streams, lube oil utility loops, fuel line clarity, and drilling fluids.
Biopharmaceuticals & Food Processing: Ensuring cleanliness, visual clarity, and lack of aeration in clean utility lines, liquid matrices, and bulk batches.
Water Treatment & Effluent Systems: Monitoring flocculation effectiveness, reverse osmosis wastewater reject flow, and filtration backwash lines.
A: Our Full View Sight Glass is permanently installed inline within piping networks to allow operators real-time visual monitoring of process flows. It helps check the exact phase, consistency, or color of flowing liquids or gases, ensuring optimal operational safety and overall process efficiency.
A: Manufactured from high-quality mild steel (MS) or premium stainless steel alloys and finished in an industrial silver coat, our sight glass is known for its structural strength and excellent corrosion resistance. Combined with a toughened borosilicate cylinder and a rigid tie-rod support skeleton, it ensures high reliability for long-term industrial use.
A: Regular visual inspections are highly recommended. If your operators notice reduced visibility due to internal clouding, minor fluid leakage at the gasket joints, or physical scratches or erosion on the borosilicate body, it is time to depressurize the system to clean the glass, replace the gaskets, or swap out the unit to maintain peak structural performance.
A: As a featured exporter, manufacturer, supplier, and trader based in Rajkot, India, we cater to processing clients all across India's domestic manufacturing hubs. We also handle containerized global shipping, supplying our certified process monitoring instruments to international markets with complete documentation.
A: For inquiries about custom sizes, tailored glass lengths, or large-volume bulk orders, you can contact our technical sales team directly via phone or email. We offer tailored engineering solutions, specialized polymer gasket options, and custom metallurgy choices to meet your unique industrial requirements.
A: Available in standard sizes matching standard pipeline nominal diameters, our sight glass fittings enable seamless integration into existing industrial systems. This simplifies the procurement process, ensures quick installation, and facilitates easy long-term maintenance using widely available spare parts, minimizing facility downtime.
A: The key advantages include continuous, 360-degree process observation without disrupting closed system operations, rapid early detection of contaminants, discoloration, or flow obstructions, and increased environmental safety by eliminating the need to draw manual fluid samples for visual checks.
Are you setting up a new chemical blending skid or looking to monitor line clarity on a high-capacity water treatment loop with zero obstruction? Contact our Rajkot sales and engineering division today to secure a factory-direct quote on our High-Performance Full View Sight Glasses, or ask a single relevant question regarding your specific system pressure class or process fluid properties below to guide the conversation forward.

Price:
Price 2500 INR / Unit
Minimum Order Quantity : 1 Number
Temperature : 20C to +150C (Standard), Higher Temperature Options Available
Media : Other, Liquids, Water, Mild Chemicals, Oils
Application : Tank Level Observation, Visual Inspection of Liquid Levels in Vessels
Port Size : 1/2 to 4 (Custom Sizes Available)
Price 1500 INR / Unit
Minimum Order Quantity : 1 Number
Temperature : Up to 200C Celsius (oC)
Media : Other
Application : Fluid Observation
Port Size : Customized as per requirement
Price 2900.0 INR / Unit
Minimum Order Quantity : 1 Unit
Temperature : Up to 200C Celsius (oC)
Media : Base
Application : Process Industries likeChemical, Power, Refinery, Petrochemicals, Nuclear, Water
Port Size : Customized as per requirement