| Flanges Types | Slip On, Weld Neck, Long Weld Neck, Threaded, Blind, Companion, Lap Joint |
|---|---|
| Class | 150 Lbs, 300 Lbs, 600 Lbs, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Asa 300, Pn 6, 10, 16, 25, 40, 64, 100, 160 |
| Size | 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Raised Face (rf), Flat Face (ff), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Male Female (lmf), Small Male Female (smf), Large Tongue & Groove, Small Tongue, Groove |
Spectacle Flanges Manufacturer in India | ASTM A105, A182 F304, A182 F316 Industrial Grade Flanges
Smt Global Pipes & Fittings Trading L.l.c is a leading Spectacle Flanges Manufacturer offering premium-quality piping isolation components designed for demanding industrial systems, including petrochemical plants, refineries, offshore facilities, power generation units, water treatment projects, and chemical processing industries. These flanges are engineered with very close tolerances and high precision, which ensures a reliable isolation of the flows, prevention of leaks, and a long service life in high-pressure piping systems. They are strong, have high mechanical properties, resist corrosion and are easy to install, which makes them ideal for maintenance access and safety during operation.
Industrial procurement teams and project buyers can source Spectacle Flanges through a trusted B2B portal with customized manufacturing solutions and bulk supply capabilities for various industries. The flanges are offered in various face types, dimensions, and pressure ranges to meet the international requirements of piping systems. In addition to Spectacle Flanges, Spade Flanges are also well available for line blanking applications where positive isolation and safe maintenance procedures are required. Their robust design ensures effective system shutdown operations and reduces downtime and maintenance expenses in critical process applications.
Spectacle flanges are widely utilized in systems where temporary or permanent pipeline isolation is needed, especially in processing environments that pose a hazard risk and are subject to operational reliability considerations. Their distinctive figure-eight design enables quick visual confirmation of open or closed flow positions, improving workplace safety and maintenance efficiency. These flanges are offered in a range of materials, including stainless steel, carbon steel, alloy steel, duplex steel, and special materials, and provide reliable performance under corrosive, high-temperature, and high-pressure conditions, with long service life.
Spectacle Flange (ASME B16.48) Weight Chart
| NPS (Inch) | DN (mm) | Outer Diameter (mm) | Thickness (mm) | Weight (kg) |
|---|---|---|---|---|
| 1/2 | 15 | 88.9 | 11.2 | 0.4 |
| 3/4 | 20 | 98.6 | 12.7 | 0.6 |
| 1 | 25 | 108 | 14.2 | 0.9 |
| 1 1/4 | 32 | 117.3 | 15.7 | 1.2 |
| 1 1/2 | 40 | 127 | 17.5 | 1.5 |
| 2 | 50 | 152.4 | 19.1 | 2.4 |
| 2 1/2 | 65 | 177.8 | 22.4 | 3.9 |
| 3 | 80 | 190.5 | 23.9 | 4.9 |
| 3 1/2 | 90 | 215.9 | 23.9 | 6.2 |
| 4 | 100 | 228.6 | 23.9 | 7.0 |
| 5 | 125 | 254 | 23.9 | 8.6 |
| 6 | 150 | 279.4 | 25.4 | 11.3 |
| 8 | 200 | 342.9 | 28.4 | 19.6 |
| 10 | 250 | 406.4 | 30.2 | 28.6 |
| 12 | 300 | 482.6 | 31.8 | 43.2 |
| 14 | 350 | 533.4 | 35.1 | 58.1 |
| 16 | 400 | 596.9 | 36.6 | 76.1 |
| 18 | 450 | 635 | 39.6 | 93.7 |
| 20 | 500 | 698.5 | 42.9 | 122.0 |
| 24 | 600 | 812.8 | 47.8 | 185.0 |
Type of Sub-products
Frequently Asked Questions
What is the Purpose of a Spectacle Flange?
How Does a Spectacle Flange Work?
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