Stainless Steel Flanges

Heavy-Duty Connection Solutions

UNI MASS maintains a massive inventory of premium stainless steel flanges. From specialized blind plate and lap joint flanges to high-pressure weld neck varieties, our products offer superior rust resistance, exceptional strength, and long-term durability in corrosive environments.

Class 150-2500

Pressure Ratings

High Grade

SS316L / 304L / Duplex

UNI MASS SS Flanges

Key Features & Benefits

  • Extensive inventory: Weld Neck, Blind, Slip-On, Lap Joint, and Threaded flanges.

  • Superior corrosion resistance compared to standard carbon steel counterparts.

  • Precision raised face (RF) and flat face (FF) options for varied sealing needs.

  • Full certification to ASME, ANSI, and DIN international standards.

Flange Specifications

Flange TypeFace TypeMaterials
Weld NeckRaised Face (RF)ASTM A182 F316/304
Blind / PlateFlat Face (FF)Aluminum / Iron / SS
Lap JointVan StoneCarbon Steel / Stainless

Flange Inventory

Weld Neck

Weld Neck Flanges

Blind Flange

Blind Plate Flanges

Lap Joint

Lap Joint Flanges

Spectacle Blind

Spectacle Blind Flanges

Engineered Strength for Global Industries

Secure your high-pressure lines with the world's most reliable flanges. Contact our technical team for sizing and quotes.

Consult Our Engineers