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ASME / ASTM Pipe equipment

From high-pressure fittings to RTJ gaskets, we at rff also supply bespoke equipment according to ASME standards for a wide variety of systems and pipelines in addition to our range of pipes, flanges and butt weld fittings.

We are a one stop shop supplier with an extensive stock and delivery programme. Our products include forged steel fittings, outlets, pipe and swage nipples, bolts, and RTJ gaskets for ASME standard flange connections.

Designs and standards

We at rff provide a full range of forged steel fittings, unions and pipe and swage nipples as well as branch outlet fittings according to ASME and MSS standards. In addititon, we also provide a selection of RTJ gaskets according to ASME B 16.20/21 as well as nuts and bolts for all common flange connections according to ASME B 16.5 and 16.47. Refer to the overview for more details.

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Designs Type Class According to
Forged Steel Fittings      
Elbows, Tees, Crosses
Street Elbows
Couplings, Caps
Head Plugs, Bushings
Hexagonal Nippels
Bosses
Reducing Inserts
NPT / Socket Weld
NPT
NPT / Socket Weld
NPT
NPT
NPT / Socket Weld
Socket Weld
2000 / 3000 / 6000
3000 / 6000
3000 / 6000


3000 / 6000
ASME B 16.11
ASME B 16.11
ASME B 16.11
ASME B 16.11
B.S. 3799
B.S. 3799
MSS SP-79
Unions, Pipe- / Swage Nippels, Outlets      
Unions
Pipe Nippels
Swage Nippels 
Branch Outlet Fittings
NPT / Socket Weld
NPT
Concentric / Eccentric
3000 MSS SP-83
ASME B 36.10/36.19
MSS SP-95
MSS SP-97
Screws and gaskets      
Bolts and nuts
Gaskets for Ring type joint
    ASME B 16.5 / 18.2.2
ASME B 16.20 / 21

General information

Information on forged steel fittings acc. to ASME rff+ Datasheet
Overview and thicknesses B 16.11 Download

Material grades

ASME covers a wide range of materials used for unalloyed, alloyed heat-resistant, low-temperature and stainless steel material grade pipe fittings. We supply all common types available for delivery.

Material selection Material groups
A/SA 234, Grade WPB Unalloyed heat-resistant
A/SA 234 Grade WP5, 11, 12, 22, 91 Alloyed heat-resistant
A/SA 420 Grade WPL6 Low-temperature
A 860 Grade WPHY42, 52 High yield steel
L290NE, L360NE High yield steel
A/SA 403 Grade WP 304/l, 321/H, 316/L Stainless steel
UNS S31803 (Duplex), UNS S32750 (Superduplex) Duplex / Superduplex
Special Alloys Special steel

Products compatible with our ASME pipe equipment

Product catalogues

Refer to our media centre for more details on pipes, flanges, butt weld fittings and pipe equipment according to DIN, EN and ASME.

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DIN EN / DIN Pipe equipment

DIN EN / DIN Pipe equipment

Quickly available

As a full-service supplier we deliver screws, bolts, nuts, gaskets and other products according to common DIN- and EN standards.

DIN EN / DIN Flanges

DIN EN / DIN Flanges

Tailor-made and individual

With a extensive range of flanges according to DIN and EN 1092-1, we cover the entire range of PED.