Home > Spectacle Blind Flanges
Spectacle Blind Flangesare essential in piping systems for isolating sections or regulating flow. They consist of solid wheels and perforated wheels mounted on steel plates and can be readily shifted between open and closed positions. They are constructed from carbon steel, stainless steel, and steel alloys, which provide them with durability and mechanical strength. Owing to their use in power generation and other industries, these flanges are valued for their safety and flow control functions in oil, gas, and Petroc. Their precise design and sturdy build guarantee lasting reliability and operational flexibility.
Dimensions :ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
Size :1/2″ (15 NB) up to 48″ (1200NB)
Class :150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
DIN :DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636,DIN2637, DIN2638, DIN2673
BS : BS4504 , BS4504, BS1560, BS10
Flange Face Type : Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Stainless Steel Spectacle Blind Flanges :
ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L
Duplex & Super Duplex Steel Spectacle Blind 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
Low Temperature Carbon Steel Spectacle Blind Flanges :ASTM A350, LF2, LF3
Alloy Steel Spectacle Blind Flanges :
ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
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
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)
| Spectacle Blind Flange | Spectacle Blind Flanges |
| ANSI B16.5 Spectacle Blind Flanges | Spectacle Blind Flange Dimensions |
| ASME B16.5 Spectacle Blind Flanges | ANSI B16.5 Class 150 Spectacle Blind Flanges |
| Stainless Steel Spectacle Blind Flanges Suppliers | SS Spectacle Blind Flange |
| Spectacle Blind Plate Flanges Dealer | ASME B16.47 Series A and B Spectacle Blind Flanges Exporter |
| ANSI B16.5 class 150 Spectacle Blind Flange Stockholder | ANSI 150 Spectacle Blind Flange Distributors |
| Carbon Steel Spectacle Blind Flange | High Quality Spectacle Blind Flanges Manufacturer |
| ASTM A182 Stainless Steel Spectacle Blind Flange | Duplex Steel Spectacle Blind Flange |
| Super Duplex Steel Spectacle Blind Forged Flange | Copper Nickel Spectacle Blind Pipe Flanges |
| High Nickel Alloy Spectacle Blind Flanges | Hastelloy Flat Faced Spectacle Blind Flanges Stockist |
| Titanium ASME B16.47 Series A and B Spectacle Blind Flanges | Inconel Spectacle Blind Flanges |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for all your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your requirement.
These Spectacle Blind Flanges are supplied by us in accordance with DIN, ISO, JIS or ANSI Standard.
Due to their outstanding mechanical properties and resistance to wear, corrosion, and high temperatures, Spectacle Blind Flanges are extensively used across a range of industries. These flanges see broad application in the oil and gas, petrochemical, power generation, and aerospace industries. They serve a key role in connecting equipment, valves, and pipe systems. Thanks to their remarkable strength, toughness, and wear resistance, they are ideal for applications subjected to harsh operating conditions, including high temperatures, high pressures, and corrosive environments.
Yes, spectacle blind flanges are recyclable once they’ve served their purpose. Because they’re built from recyclable metals such as carbon steel, stainless steel, and alloy steels, they can be melted down and reused to make new products, promoting sustainability and cutting down on waste.
Email: sales@koasteel.nz
