1. Scope : Butt welding fittings meet the follwoing national and internation product standards
Production to other standards and customers individual specifications is possible by special
Aggrements
2. Dimension Specifications :
ASME(ANSI) / EEMUA / DIN / BS / MSS
3. Seamless Butt-Welding Fittings :
Seamless butt-welding fittings are produced from seamless tube and pipe by either hot or cold
extrusion, forming, forging, machining or by a combination of two or more of these operations
4. Seam-Welded Butt-Welding Fittings :
Seam-welded butt-welding fittings are produced hot or cold rolled, annealed and pickledsheet or plate,
formed into half shells or segments and longitudinally seam-welded
5. Welding :
Welding is carried by code-Qualified personnel(ASME Boiler and Pressure Vessel Code) Whose
qualifications are regulary checked and approved.
Established welding methods include pulsed TIG and Shielded electrode techniques.
6. Inspection and Testing :
Throughout the manufacturing process, from melting and alloying to the finished product,
Stringent quality controll inspections and tests are carried out to ensure that product quality complies
fully with customer requirements.
All tests are performed in accordance with the requirements of the relevant specifications.
7. Materials :
Al-Brass : BS 2871 CZ110, ASTM B111 C68700, DIN17660(CuZn20Al2), JIS H3300 C6870
Cu-Ni 90/10 : BS 2871 CN102, ASTM B466/B467 C70600, DIN17660(CuNi10Fe1Mn), JIS H3300 C7060
Cu-Ni 70/30 : BS 2871 CN107, ASTM B466/B467 C71500, DIN17664(CuNi30Fe1Mn), JIS H3300 C7150



