STAP
Differential pressure controller DN 15-50, DN 65-100, adjustable set-point and shut-off function
STAP is a high-performing differential pressure controller that keeps the differential pressure over the load constant. This delivers accurate and stable modulating control, ensures less risk of noise from control valves, and results in easy balancing and commissioning. STAP’s unrivalled accuracy and compact size make it particularly suitable for use on the secondary side of heating and cooling systems.
Features and Benefits
Adjustable set-point
Delivers desired differential pressure ensuring accurate balancing.
Shut-off function
Shut-off function makes maintenance easy and straightforward.
Measuring points
Simplifies the balancing procedure, and increases its accuracy.
Applications
Heating and cooling systems.
Functions
Adjustable Δp
Differential pressure control
Draining
Measuring point
Shut-off
Media
Water or neutral fluids, water-glycol mixtures (0-57%).
Connection
Internal thread according to ISO 228, thread length according to ISO 7-1.
Temperature
Max. working temperature: 120°C
Min. working temperature: -10°C
Surface treatment
Valve body: Epoxy painting.
Setting range
20* - 80 kPa resp 40* - 160 kPa.
*) Delivery settings
DN 15-20: 5* - 25 kPa
DN 15-25: 10* - 60 kPa
DN 15 LF: 5* - 25 kPa
DN 15 LF: 10* - 60 kPa
DN 32-40: 10* - 40 kPa
DN 32-50: 20* - 80 kPa
LF = Low flow
Flanges
ISO 7005-2.
Marking
Bonnet and handwheel: Label with STAP, DN, ΔpL 20-80 resp 40-160 kPa and bar code.,
Material
Valve body: AMETAL®
Bonnet: AMETAL®
Cone: AMETAL®
Spindles: AMETAL®
O-rings: EPDM rubber
Membrane: HNBR rubber
Spring: Stainless steel
Spring support: AMETAL® and reinforced PPS
Handwheel: Polyamide
AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.
Differential pressure (ΔpV)
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