Valvole Hofmann 11M9-2
SubCategory: SingleSeatValves
Manufacturer: Valvole Hofmann
Industry:
Let us help you find the right product from this series
Product features
- Four-port globe body → simplifies inspection and internal maintenance without removing the complete valve body.
- Equal-percentage characteristic as standard → supports stable control over a broad operating range.
- Linear characteristic available on request → allows the trim to be matched to different control-loop requirements.
- DN 15 to DN 300 range → covers small utility duties through larger process-control applications.
- Ductile iron, carbon steel or CF8M stainless-steel bodies → supports material selection for different process media.
- Published temperature range from -196 °C to +500 °C → enables selected configurations for cryogenic through high-temperature service.
- Leakage classes IV and VI available → lets shut-off performance be selected to suit the application.
- PEEK or metal-to-metal seating → provides trim options for different temperatures and media.
- Pneumatic actuation with electric option → supports integration into different plant automation architectures.
- Positioners, solenoids, boosters and switches available → simplifies complete control-valve package specification.
Valvole Hofmann 11M9-2 is a two-way globe control valve for modulating liquid, gas and steam flows where stable control and repeatable valve positioning are required. It is suited to process, energy, utility and general industrial systems where engineers need a configurable control valve rather than a simple on/off device. AxFlow can support sizing, material selection, actuation and accessory selection for the actual duty.
The valve uses a globe-body construction with a multi-spring diaphragm actuator as the standard pneumatic arrangement, while electric actuation is available on request. An equal-percentage flow characteristic is standard and a linear characteristic can be specified where the control loop requires it. The four-port body arrangement simplifies inspection because the lower flange and plug/stem assembly can be accessed without fully removing the valve body from the pipeline.
Current manufacturer data covers DN 15 to DN 300 and body materials including ductile iron EN-GJS-400-18-LT, carbon steel WCB (1.0619) and stainless steel A351 CF8M (1.4408). Published temperature limits extend from -196 °C to +500 °C depending on materials and configuration, with leakage classes IV and VI available. Connection options include DIN or ANSI flanges, BSPP, NPT, butt-weld and socket-weld ends, and trim options include PEEK or metal-to-metal sealing.
Correct sizing and trim selection are important for control stability, seat life and actuator loading, particularly when pressure drop, cavitation, flashing or high temperature are involved. The guided stem and plug arrangement, serviceable body design and configurable actuation can reduce maintenance effort and help maintain process availability over the valve lifecycle. Contact AxFlow for product selection, sizing, accessories, spare parts support and availability.
