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For reversed flow direction

The thermostatic valve bodies for reversed flow direction can be used in two-pipe pump heating systems for interchangeable supply and return flow (hammering noises). The valve bodies can be mounted into the return flow connection of radiators in a raised position or tall radiators. This makes the thermostatic head more easily accessible.

Informações do Produto

Thermostatic valve body with and without presetting

The thermostatic valve bodies for reversed flow direction can be used in two-pipe pump heating systems for interchangeable supply and return flow (hammering noises). The valve bodies can be mounted into the return flow connection of radiators in a raised position or tall radiators. This makes the thermostatic head more easily accessible.

Key features

Installation with interchanged supply and return pipe

Prevents hammering noises

V-exact II models with precision presetting

For exact hydraulic balancing

Eclipse models with automatic flow limitation

For automatic hydronic balancing

Valve body in gunmetal

Corrosion-resistant and safe

Technical description

Applications:

Heating and cooling systems.

Function:

Control
Flow limitation (Eclipse)
Stepless presetting (V-exact II)
Shut-off
Prevents hammering noises with interchanged supply and return pipe

Dimensions:

DN 10-15

Pressure class:

PN 10

Temperature:

Max. working temperature: 120°C, with protection cap or actuator 100°C.
Min. working temperature: -10°C.

Flow range Eclipse:

The flow can be stepless pre-set within the range: 10-150 l/h.
Delivery setting 150 l/h.
(Max. nominal flow qmN at 10 kPa respecting EN 215: 115 l/h)

Differential pressure (ΔpV) Eclipse:

Max. differential pressure:
60 kPa (<30 dB(A))
Min. differential pressure:
10 – 100 l/h = 10 kPa
100 – 150 l/h = 15 kPa

Materials:

Valve body: Corrosion resistant Gunmetal
O-rings: EPDM rubber
Valve disc: EPDM rubber
Return spring: Stainless steel
Valve insert: Brass, PPS
The complete thermostatic insert can be replaced using the fitting tool without draining the system.
Spindle: Niro-steel spindle with double O-ring sealing. The outer O-ring can be replaced under pressure (Standard, V-exact II).

Surface treatment:

Valve body and fittings are nickel-plated.

Marking:

THE, flow direction arrow, DN and II+ Designation.
Without presetting: protection cap black, black stuffing box.
With presetting: protection cap white.
Eclipse: Orange protection cap.

Pipe connection:

The female-threaded version is designed for connection to threaded pipe, or in conjunction with compression fittings, to copper precision steel or multi-layer pipe (only DN 15).

Connection to thermostatic head and actuator:

HEIMEIER M30x1,5

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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