GEFA Ball Valves


GEFA Processtechnik GmbH Dortmund is a special manufacturer in the range of industrial valves and fittings, filtration technology as well as measuring and control technology. The enterprise was founded in 1964 as one of the first to manufacture three-piece ball valves, centric soft-seated and pneumatic piston actuators. In the field of filtration technology GEFA launched an innovative product range on the German market.
Since 1992 the company is certified according to EN ISO 9001 and offers products of superior reliability and safety. We also offer a product range for specific applications. Our large-scale storage system guarantees short delivery times.

3-piece ball valve DG1

Applications: Chemical and Petrochemical industry, Pharmaceutical industry, food industry, and many more.
Bore: reduced/full
Size range: 15-150mm (full bore 8-100mm)
Materials: 1.4408, 1.4529
Seat/Seal: PTFE, R-PTFE, PTFE/Kohle, Peek, UHMWPE, POM
Stem: 1.4401
Pressure Class: PN40/63 (pure PTFE)
Variations: free of dead space, Antistatic with earthing, Inside surface Ra 0,8/1,0, TA-Luft gasket
Connections: butt weld (short/long), Screwed ends
Certifications/Tests (optional): GOST-R, TA-Luft, FDA, FireSafe, EN 10204-3.1 

Standard documentation as PDF

Pressure-/Temperature chart as PDF




3-piece ball valve DG1 with Orbital welding ends


Specification as before, but with Orbital welding ends

Standard documentation as PDF


3-way ball valve series DG3


Applications: Chemical Industry, Petrochemical Industry, Food industry, Pharmaceutical industry
Bore: full bore, L-Bore
Size Range: 80-50mm
Materials: 1.4408
Seat/Seal: PTFE, R-PTFE, PTFE/Kohle, Peek, UHMWPE, POM
Stem: 1.4408
Pressure Range: PN64
Connections: Butt weld ends, Thread ends
Certification/Tests (optional): GOST-R, TA-Luft, EN 10204-3.1

Standard documentation as PDF