Class 150 Steel Blind Flanges

Standard blind flange dimensions vary according to nominal size, pressure class, flange outside diameter, bolt circle, bolt-hole details, and thickness. Twinco Industrial’s flange offerings reference ASME B16.5 and ASME B16.47 Series A and B standards. Provide the required size, face type, and specification so the dimensions can be matched to the piping system.

Available material options across Twinco Industrial’s flange inventory include carbon steel, stainless steel, alloy steel, duplex, and nickel alloys. The applicable selection depends on the service environment, piping specification, temperature, corrosion requirements, and project documentation. Confirm the required material grade and standard when requesting a quote for Class 150 blind flanges.

Blind flanges are used for pipeline applications, industrial piping systems, hydrostatic testing, petrochemical projects, construction and welding, and manufacturing maintenance. Rental blind flanges also support vessel and process system isolation, inspection shutdowns, pipeline and midstream projects, new construction, and turnarounds.

Yes. Twinco Industrial offers rental blind flange solutions in addition to purchased flange options. Rental inventory includes carbon steel, stainless steel, and nickel alloy choices, along with multiple flange faces and rental studs and nuts kits. Rental equipment is inspected and quality-controlled before delivery for testing, isolation, maintenance, and construction requirements.

The available flange face options identified for rental blind flanges include Raised Face, Flat Face, RTJ, and Seal Ring Groove. The appropriate face depends on the mating flange, gasket or sealing arrangement, pressure-testing method, and project specification. Include the required face type in your enquiry to support accurate product selection.

Twinco Industrial’s flange inventory references ASME B16.5 and ASME B16.47 Series A and B standards, with ASME pressure classes including 150, 300, 400, 600, 900, 1500, and 2500. API-rated options are also identified in the product information. Confirm the required standard, class, size, and material before ordering.