High-Performance Spectacle Blind Flanges | Pipeline Isolation & Flow Control | Rajendra Industrial Corp
About this product
Ensure absolute safety and positive pipeline isolation with premium Spectacle Blind Flanges from Rajendra Industrial Corporation. Featuring a robust figure-eight design (one solid blind end and one open ring end), these pressure-retaining plates provide foolproof visual indication of pipeline status (open vs. blinded). Ideal for systems requiring frequent maintenance, inspection, or rerouting, they eliminate the risk of valve leakage during critical operational shutdowns. Manufactured to stringent international standards (ASME/ANSI), these flanges are available in a comprehensive range of high-performance materials - including Stainless Steel, Carbon Steel, Duplex Steel, Copper Nickel, and advanced Superalloys (Inconel, Hastelloy, Monel) - ensuring maximum durability, leak-proof sealing, and corrosion resistance in harsh industrial environments.
Application
1. Positive pipeline isolation and complete flow halting for safe maintenance. 2. Routine system inspections, pipeline rerouting, or emergency operational shutdowns. 3. Provides immediate visual confirmation to operators regarding pipeline status (preventing accidental flow). 4. Target Industries: Oil & Gas refineries, Petrochemical plants, Chemical processing, Power generation, and Marine fluid systems.
Key details
| HSN Code | 73079190 |
| Country of Origin | India |
| Brand | Rajendra Industrial Corporation |
| Sold by | RAJENDRA INDUSTRIAL CORPORATION |
| Customizable | No |
| Unit | PIECE |
| Minimum order | 10 PIECE |
| Category | Process Piping & Pipeline Components > Flanges & Gaskets > Specialty Flanges |
Specifications
| Component Type | Spectacle Blind / Figure-8 Blind Flange |
| Primary Function | Positive Pipeline Isolation & Flow Blanking |
| Design Configuration | One solid blind end, one open ring end (Tie-bar connected) |
| Manufacturing Standards | ASME / ANSI B16.5, ASME B16.47 Series A & B, DIN |
| Pressure Ratings (Class) | 150 Lbs, 300 Lbs, 600 Lbs, 900 Lbs, 1500 Lbs, 2500 Lbs |
| Pressure Ratings (PN) | DIN PN6 to PN40 |
| Stainless Steel Grades | ASTM A182 / A240 (F304/L/H, 316/L/Ti, 321, 347, 904L) |
| Carbon Steel Grades | ASTM A105 (Gr. F42, 46, 52, 56, 60, 65, 70) |
| Low-Temp Carbon Steel | ASTM A350 (LF2, LF3) |
| Alloy Steel Grades | ASTM A182 (F1, F5, F9, F11, F22, F91) |
| Duplex & Super Duplex | ASTM A182 / A240 (UNS F44, F51, F53, F55, F60, F61) |
| Nickel Alloy Grades | Inconel (600/625/800), Monel (400/500), Hastelloy C276, Alloy 20 |
| Copper Alloy Grades | Cu-Ni 90/10 (C70600), Cu-Ni 70/30 (C71500), C10100-C12200 |
| Installation Method | Bolted/Clamped between two standard pipe flanges |
| Ideal Applications | Oil & Gas, Petrochemical, Marine, Power Generation Shutdowns |