Double seat valves
Sanitary Valves
The masterpiece
The Opus Magnum of valve technology. Guth double-seat valves offer perfection in functionality and security against leakage.
Features and Benefits
Contamination-free separation
Guth double-seat valves are the first choice to safely separate in automatic process equipment, which does not belong together.
In accordance with EHEDG developed criteria, our double-seat valves are among the most modern, leak-proof valves on the market. Two independently controllable valve plates with non-pressurised leakage discharge prevent incompatible media from mixing. Product rearward migrations of the valve disk seals are excluded. If a leak occurs contrary to expectations, the medium flows out through the leakage gap without pressure.
Split valve plates for maximum safety.
By raising the upper or lower valve plate, the leakage chamber of the valve can be cleaned simply.
Everything under control thanks to comprehensive automation options: from sensor monitoring through PLC, ASi-BUS or IO-Link Control head to emergency-stop function and valve position display. An ATEX version is even available for gas and dust areas (Zones 1/21 and 2/22).
Another plus point is the low operating costs, service costs and maintenance costs.
- Leakage-free opening
- Long seal life
- Pressure shock resistant
- Optimal cleaning functions
- Control heads optionally PLC, ASi-Bus, IO-Link emergency function, feedback, ATEX
- Safe product separation
- Extensive automation possibilities
- Sealing materials EPDM, HNBR, FKM, silicone
Technical Specifications
DN 25 -150 1″-4″
EPDM HNBR k-flex
SIP 140°C, 30 min FDA compliant SIP 110°C, 30 min FDA compliant SIP 150°C, 30 min FDA compliant
in product contact
1.4301 / AISI 304 1.4307 / AISI 304L 1.4404 / AISI 316L
n product contact not in product contact
Ra ≤ 0.8 µm e-polished Ra 1.5–2.5 µm e-polished
Double-seat valve – double-seat changeover valve – piggable double-seat valve – tank outlet valve
DN 25 -100 DN 125 / 150 1″-4″
max. 10 bar max. 6 bar max. 10 bar
5.5–8 bar lower control air pressures on request
95° C
up to 40 bar (closed valve position)