Series F-033, F-042

Vary-P Control Valves

  • Flow up to approx. 100 ln/min
  • Pressure up to 400/700 bar
  • For high (differential) pressures applications
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Series F-033, F-042

High Pressure Control Valves for Gases

F-033 / F-042 are patented 2-phase control valves for applications with high differential pressures, up to 400 bar and a maximum operating pressure of 400 resp. 700 bar! These unique valves feature a pressure compensation mechanism, maintaining a constant pressure difference of 4 bar across the flow control section. By doing so both the inlet pressure and the outlet pressure may change without having any impact on the Vary-P valve function.

Technical specifications

Operating temperature F-033C: -10…70°C
F-033CI / F-042CI: -10…70°C
F-033CX: -10…65°C
Mechanical /Electrical specifications
Material (wetted parts) stainless steel 316L/320;
others on request
Pressure rating F-033 series: 400 bar(a)
F-042 series: 700 bar(a)
Min. ΔP 6 bar(d)
Max. ΔP up to 400 bar(d)
Process connections F-033 series: compression type or face seal couplings
F-042 series: none (female thread); special high pressure connections on request
Seals Standard: Viton®;
on request: EPDM (F-033 series only), Kalrez®
Protection class F-033C: IP40
F-033CI / F-042CI: IP65
F-033CX-XBB: II 1 G/D Ex ia IIC T6
F-033CX-XCB: II 2 G/D Ex e mb II T4

Technical specifications subject to change without notice.


Dimensional drawings
Dimensional Drawing F-033C nc
Dimensional Drawing F-033CI
Dimensional Drawing F-033CX-XBB
Dimensional Drawing F-033CX-XCB
Dimensional Drawing F-042CI
For dimensional drawings and hook-up diagrams please visit the product page on our website

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