TFS Takasago Fluidic Systems

Diaphragm Isolation Valves STV Series


The STV series is a solenoid diaphragm valve with the outer dimensions of φ20.0 x 42.5 mm. Highly chemically compatible materials PTFE, PEEK, PPS, etc. are available for the valve body material. This solenoid valve is a popular model among small inert solenoid valves and is playing an active role in a wide range of applications.


Method Solenoid
Orifice(mm) 1.0 - 1.2 mm
Type 2way-NC, 2way-NO
IN port pressure
-90~200 kPa
OUT port pressure (NC)
0~50 kPa
OUT port pressure (NC)(NO)
0~50 kPa
Port connection M6, 1/4-28UNF, Hose barb, Manifold-mount
Body material PEEK, PPS, PTFE, POM
Seal material PTFE, FKM, Perfluoro
Other wetted materials PTFE・AL2O3
Rated voltage 12VDC, 24VDC
Power consumption 1.7 - 2.9 W
Operating duration Continuous
Outer dimensions φ20.0 x 42.5 mm
Fluid temperature range 0~50 ℃
Ambient temperature range 0~50 ℃

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