Details:

Contamination-free
separation

KIESELMANN
double-seat valves are the first choice to safely separate in automatic process
equipment, which does not belong together.

Our
double-seat valves are among the most
modern, safest 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.

The easy
cleaning of the leakage space is performed by lifting the upper or lowering the
lower valve plate.

Everything
under control thanks to comprehensive automation
optionsfrom sensor monitoring via PLC or ASI-BUS control head
through to emergency stop function and valve position indication. An ATEX
version is even available for  gas and dust areas (Zones 1, 2 and 21, 22).

KIESELMANN
double-seat valves are characterised by low operating, maintenance and repair
costs.

• Leakage-free opening

• Long seal life

• Pressure shock resistant

• Optimal cleaning functions

• Optional control heads PLC, AS-Bus, emergency stop function,
feedback, ATEX

• Safe product separation

• Extensive automation possibilities

• Sealing materials EPDM, HNBR, k-flex

 

Technical data

Sizes:

 

DN 25 -150 1"-4"

Seals:

 

EPDM         SIP 140°C, 30
min FDA compliant



HNBR        SIP 110°C, 30 min FDA
compliant



k-flex         SIP 150°C, 30 min FDA
compliant

Pressure shock resistant:

up to 40 bar (closed valve position)

 Materials:

 

in product contact                1.4404 / AISI 316L

 

not in product contact         1.4301 /
AISI 304

                                           
1.4307 / AISI 304L

Surfaces:

in product contact                 Ra ? 0.8 µm e-polished



not in product contact          Ra
1.5–2.5 µm e-polished



Operating pressure:

DN 25 -100            max.
10 bar

DN 125 / 150         max. 6 bar

1"-4"                      max.
10 bar

 Control air:

5.5 - 8 bar lower control air pressures on request

 Operating temperature:

95 °C