| Sizes | 1/2 Nb, 24 Nb |
|---|---|
| Gasket Standards | Asme B16.20 Gaskets, Asme B16.21 Gaskets |
| Outside Diameter | Nps 1⁄2 Through Nps 8 Is ±0.8 Mm; For Nps 10 Through Nps 24, +1.5 Mm, −0.8 Mm. |
| Inside Diameter | Nps 1⁄2 Through Nps 8 Is ±0.4 Mm; For Nps 10 Through Nps 24, ±0.8 Mm. |
Lens Gaskets Supplier in India – Petrochemical, Power & Marine Industrial Gaskets
Riddhi Siddhi Metal Impex is a trusted Lens Gaskets Manufacturer providing high-pressure and high-temperature piping system sealing solutions that are precision-machined. Such gaskets are made of high-quality grades of Stainless Steel 304/316, Carbon Steel, Duplex Steel, Inconel, and Monel in order to provide optimal corrosion and tight leak-free sealing. The products are then utilized in the refineries, petrochemical plants, and power generation units, and they are designed based on the international standards with correct surface finish and dimensional tolerance. Using effective B2B branding, industries can be sustained with the use of consistency and durability of quality and reliability of performance in critical flange connections.
Standard Lens Gasket Weight Chart
| Size (NB) | Outer Diameter (OD) mm | Inner Diameter (ID) mm | Thickness (mm) | Approx. Weight (Kg/Pcs) |
|---|---|---|---|---|
| 15 NB | 42 | 15 | 12 | 0.15 |
| 20 NB | 52 | 20 | 14 | 0.22 |
| 25 NB | 62 | 25 | 16 | 0.32 |
| 32 NB | 72 | 32 | 18 | 0.45 |
| 40 NB | 82 | 40 | 20 | 0.60 |
| 50 NB | 95 | 50 | 22 | 0.85 |
| 65 NB | 115 | 65 | 25 | 1.20 |
| 80 NB | 130 | 80 | 28 | 1.65 |
| 100 NB | 160 | 100 | 32 | 2.40 |
| 125 NB | 190 | 125 | 36 | 3.50 |
| 150 NB | 220 | 150 | 40 | 4.80 |
| 200 NB | 275 | 200 | 48 | 7.20 |
| 250 NB | 330 | 250 | 55 | 10.50 |
| 300 NB | 390 | 300 | 62 | 14.80 |
Lens Gasket Pressure Class Table
| Pressure Class | Common Thickness (mm) | Temperature Resistance |
|---|---|---|
| Class 150 | 10 – 12 mm | Up to 400°C |
| Class 300 | 12 – 16 mm | Up to 500°C |
| Class 600 | 16 – 22 mm | Up to 650°C |
| Class 900 | 22 – 30 mm | Up to 750°C |
| Class 1500 | 30 – 40 mm | Up to 850°C |
Type of Sub-products
Frequently Asked Questions
What pressure ratings can lens gaskets handle?
Are lens gaskets reusable?
Countries We Export
India
Cities We Supply
Lucknow
Mumbai
Nashik
Pune
Rajkot
Moradabad
Angul
Rudrapur
Hosdurg
Gandhinagar
Rajahmundry
Durgapur
Bharuch
Panipat
Industries We Serve
Sugar
Oil And Gas Industries
Paper Mill
Power Plant
Bridge And Building
Aerospace Industries
Automobile Industry
Electrical Industry
Defense Industry
Construction & Fabrications
Ring Man Units
Railways

Gasket Industry
Pharmaceuticals Industry
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