W. Maass (UK) Ltd – ASME Products
ASME Weld Neck Flange
ASME B16.5, ASME B16.47 Series A & B, ISO 1092-1. Facings available: RTJ, RF, FF, Male/Female, Tongue/Groove. For standard connections that don’t require adjustable bolt hole alignment in place. Butt weld connection to the pipe.
ASME Type Swivel Flange
ASME B16.5, ASME B16.47 Series A&B, ISO 1092-1. Facings available: RTJ, RF, FF, Male/Female, Tongue/Groove. Special connections that require adjustable bolt hole alignment in place. Special W Maass UK Ltd design. Butt weld connection to the pipe.
ASME Blind Flange
ASME B16.5, ASME B16.47 Series A & B, ISO 1092-1. Facings available: RTJ, RF, FF, Male/Female, Tongue/Groove. To blank of the end of a line, vessel or opening.
ASME Type Long Transition Weld Neck Flange
ASME B16.5, ASME B16.47 Series A & B, ISO 1092-1. Facings available: RTJ, RF, FF, Male/Female, Tongue/Groove. Special connections that require an extra-long transition from the pipe to the flange. Special W Maass UK Ltd design. Butt weld connection to the pipe.
ASME Type Long Weld Neck Flange
ASME B16.5, ASME B16.47 Series A & B, ISO 1092-1. Facings available: RTJ, RF, FF, Male/Female, Tongue/Groove. For standard connections to a vessel or nozzle. Butt weld connection to the pipe.
ASME Type Anchor Flange
ASME B16.5, ASME B16.47 Series A & B, ISO 1092-1. For restraining pipeline against expansion loads, dead weight loads etc. Normally embedded in concrete. Special W Maass UK Ltd design. Butt weld connection to the pipe.
ASME Type Hanger Flange
ASME B16.5, ASME B16.47 Series A & B, ISO 1092-1. For restraining pipeline against expansion loads, dead weight loads etc. Normally bolted to a structure. Special W Maass UK Ltd design. Butt weld connection to the pipe.
ASME Weld Neck Orifice Flange
ASME B16.5, ASME B16.47 Series A & B, ISO 1092-1. Facings available: RTJ, RF, FF, Male/Female, Tongue/Groove. For connections used to measure pressure drop across an orifice plate. Can be supplied with or without jack screws. Butt weld connection to the pipe.
ASME Socket Weld Flange
ASME B16.5, ASME B16.47 Series A & B, ISO 1092-1. Facings available: RTJ, RF, FF, Male/Female, Tongue/Groove. For standard connections not requiring full penetration butt weld.
ASME Slip On Flange
ASME B16.5, ASME B16.47 Series A & B, ISO 1092-1. Facings available: RTJ, RF, FF, Male/Female, Tongue/Groove. For standard connections not requiring full penetration butt weld.
ASME Threaded Flange
ASME B16.5, ASME B16.47 Series A & B, ISO 1092-1. Facings available: RTJ, RF, FF, Male/Female, Tongue/Groove. For standard connections using threaded pipe.
ASME Spacer
ASME B16.5, ASME B16.47 Series A & B, ISO 1092-1. Facings available: RTJ, RF, FF, Male/Female, Tongue/Groove. Used to make up space between mating flanges. Fabricated handle for lifting.
ASME Spade
ASME B16.5, ASME B16.47 Series A & B, ISO 1092-1. Facings available: RTJ, RF, FF, Male/Female, Tongue/Groove. Used to blank off a line between mating flanges. Fabricated handle for lifting.
ASME Spectacle Blind
ASME B16.5, ASME B16.47 Series A & B, ISO 1092-1. Facings available: RTJ, RF, FF, Male/Female, Tongue / Groove. Used to either blank off a line or make up space between mating flanges. The link bar between the Spade and Spacer has a hole which a bolt passes through to allow rotation.
ASME Tee, Elbow, Crossover Block
ASME B16.5, ASME B16.47 Series A & B, ISO 1092-1. Facings available: RTJ, RF, FF, Male/Female, Tongue/Groove. Used to allow multiple flanged connections within a manifold or structure.
ASME Double Studded Adaptor
ASME B16.5, ASME B16.47 Series A & B, ISO 1092-1. Facings available: RTJ, RF, FF, Male/Female, Tongue/Groove. Used to connect two dissimilar mating flanges in a compact space.
ASME Wrought Steel Butt Weld Pipe Fittings, ASME B16.9, Sizes: ½” NB to 24” NB to suit ASA Pipe Schedules & specials

90° Elbow, Long & Short Radius

45° Elbow

Straight Tee

Reducing Tee

Concentric Reducer

Eccentric Reducer

Cap

Special Forged Reducing Tee by W Maass UK
Special Weld Neck Flange, Slotted Holes & O-Ring Groove. ASTM A694 F65
Special Threaded Flange, M90. ASTM A182 F51
Barrel Flange
Image Coming Soon
If you require any of our ASME products please contact us via Phone: 01744 453393, Email: sales@w-maass.co.uk or click here for our contact us page.