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 |  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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ASME / ASTM / API 6A Flanges
Always compatible
The product range includes the entire range of ASME B 16.5 / 16.47, as well as flanges according to API 6A and BS 3293.
ASME / ASTM Butt weld fittings
A comprehensive selection
We supply elbows, tees, reducers, caps and stub ends in the highest quality according to ASME B 16.9.