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STAP – DN 65-100

The flanged 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.

Product Information

Differential pressure controller

The flanged 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.

Technical description

Application:

Heating and cooling systems.

Functions:

Differential pressure control
Adjustable Δp
Measuring points
Shut-off

Dimensions:

DN 65-100

Pressure class:

PN 16

Max. differential pressure (ΔpV):

350 kPa

Setting range:

20-80 kPa resp 40-160 kPa.

Temperature:

Max. working temperature: 120°C
Min. working temperature: -10°C

Materials:

Valve body: Cast iron EN-GJL-250 (GG 25)
Bonnet: AMETAL®
Cone: AMETAL®
Spindles: AMETAL®
O-rings: EPDM rubber
Seat seal: Plug with EPDM O-ring
Membrane: Reinforced EPDM rubber
Spring: Stainless steel
Handwheel: Polyamide

AMETAL® is the dezincification resistant alloy of IMI TA.

Surface treatment:

Valve body: Epoxy painting.

Marking:

Body: TA, PN 16, DN, CE, 250 CI, flow arrow and casting date (year, month, day).
Bonnet and handwheel: Label with STAP, DN, ΔpL 20-80 resp 40-160 kPa and bar code.

Face to face dimensions:

ISO 5752 series 1, BS 2080

Flanges:

ISO 7005-2.

The products, texts, photographs, graphics and diagrams in this document may be subject to alteration by IMI Hydronic Engineering without prior notice or reasons being given. For the most up to date information about our products and specifications, please visit www.imi-hydronic.com.

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