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This manufacturer and exporter are known for their high quality and durability. Ratna Exports is one of the leading manufacturers and exporters of spectacle blind flanges designed to comply with national and international standards and are of high quality. It is the cheapest flange you will find anywhere. These Spectacle Blind Flanges are pressure-preserving plates with one open end and one solid end connected with a tie-bar or web to preserve force. The flanges supply as part of the course of suitable test certificates for standard raw materials and finished products. We have provided during routine testing of traditional raw materials and finished products. The flanges come with the test results for the standard raw materials and final goods delivered.
Ratna Exports is an experienced and formidable player in the piping solutions industry. We manufacture high-quality spectral blind flanges that meet the highest requirements. We offer these flanges in several designations, custom dimensions, specifications, and standards, although we also manufacture them in non-standard dimensions for specific applications. We manufacture these flanges in different sizes for particular applications.
Spectacular blind flanges are simply a combination of flange spades and ring spacers combined into one device.
The Spectacle Blind Flange is a mechanical device that can temporarily or permanently blind pipelines and smooth production. Spectacle blinds are a cost-effective alternative to insulation valves.
| ASME B16.5 Spectacle Blind Flange Size Chart | 1/2″ (15 NB) to 48″ (1200 NB) DN10~DN5000 |
| Spectacle Blind Flange Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Spectacle Blind Flange Pressure Calculation in DIN | 6 Bar 10 Bar 16 Bar 25 Bar 40 Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| Spectacle Blind Flange Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| UNI | 6 Bar 10 Bar 16 Bar 25Bar 40Bar |
| EN | 6 Bar 10 Bar 16 Bar 25Bar 40Bar |
| Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanised |
| most typical types of Spectacle Blind Flange | Forged / Threaded / Screwed / Plate |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Production technique |
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| Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, , Groove |
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI ultrasonic flaw detector, Magnetic particle detector |
| Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Origin | Indian / West Europe / Japan / USA / Korean |
| Manufacturer of | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE, etc.
Spectacle Blind Flange: -BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange
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| Spectacle Blind Flange Uses & application |
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| Export to | Saudi Arabia, Spain, Ireland, Singapore, USA, Dubai, Peru, Brazil, Indonesia, Ukraine, Canada, Thailand, Korea, Iran, India, Egypt, Oman, etc. |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L
Duplex & Super Spectacle Blind Socket Weld Flanges:
ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Carbon Steel Spectacle Blind Flanges:
ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706
Alloy Steel Spectacle Blind Flanges:
ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Nickel Alloy Spectacle Blind Flanges:
ASTM SB564, SB160, SB472, SB162 Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020).
Copper Alloy Steel Spectacle Blind Flanges:
ASTM SB 61, SB62, SB151, SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200.
| spectacle blind flange raised face | spectacle blind flange pn16 |
| spectacle blind flange flat face | ASME B16.48 Spectacle Flange |
| Spacer blind flange | spectacle blind flange ASME B16.48 |
| Blind Spectacle Flange | Spectacle Blind Flange |
| spectacle blind flange 300 | ASME B16.5 Spectacle Blind Flanges |
| Piping Spectacle Blind Flange | ASME B16.48 |
| Spectacle Blind Flange Class 150 | Spectacle Blind Flange Flat Face |
| Spectacle Blind Flange Figure 8 | Spectacle Blind Flange Raised Face |
| Spectacle Blind Flange Rf | Spectacle Blind Flange Rtj |
Please note this is an approx Super Duplex Steel S32760 Spectacle Blind Flanges price in India. For final S32760 Super Duplex Steel Spectacle Blind Flanges price list please mail us.
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