Space saving design

Prefabricated unit

Easy to install

TTM Shuntopac® H 20-50 K

Shunt unit for cooling with compact design

TTM Shuntopac® H 20-50 K is a shunt unit adapted for limited areas. The shunt group is designed for conventional cooling systems and district cooling systems and is delivered as standard with connection dimensions DN 20 to DN 50. The model can be equipped with components of any make and in a variety of connection options.

TTM Shuntopac® H 20-50 K comes with a fire and corrosion-proof casing made of polyester-covered aluminium sheet. The insulation is made of AF/Armaflex AF-2 as standard.

The brackets for hanging consists of yellow chromated flat bars.

As standard, the pipe kit consists of fully welded pressure vessel pipes SS-EN 10216-2 and DIN 2391 anti-rust painted with grey primer. Pipe kits in other qualities or with other surface treatments can be delivered to order.

EC Declaration of Conformity according to the Machinery Directive 2006/42/EC. “Partially completed machine.”

The shunt unit is environmentally assessed.

Equipment

Equipment

1. Control valve
Seat valve with tapped connection of optional manufacture and type. The valve is fitted into a flanged joint for easy service and replacement.

2. Adjusting valves
2 pcs. of optional manufacture and dimension. Fitted to the pipe kit with conical coupling. Also available with dynamic adjusting valves, flow regulators or difference pressure regulators.

3. Shut-off valves
2 pcs. ball valves with full flow and high spindle neck. Fitted to the pipe kit with conical coupling.

4. Test sockets
Mounted on each connection.

5. Pump
Optional manufacture and type with “wet” or “dry” motor.

6. Drainage
Design with screwed hose joint R 1/2”.

7. Non-return valve
1 pc. made of brass/stainless steel, with spring-loaded cone. Fitted into a flanged joint.

8. Thermometers
4 pcs. graduated -40 – +40 °C. Fitted with heat-transmitting silicon paste.

Options
  • Pipe kit made of e.g., copper or stainless steel of the desired quality.
  • Anti-corrosive painted pipe kit, e.g. epoxy enamelled.

TTM Shuntopac® H 20-50 K differential pressure measurement

All outside valves on the TTM Shuntopac® H 20-50 V are provided with test sockets, allowing complete differential pressure measurement.

B – A Measuring of the pressure difference over the adjusting valve on the primary side. Primary flow can be determined with the help of data for the adjusting valve.

C – A Available pressure difference on primary side.

G – H Pressure rise over the circulation pump.

H – D Pressure drop in connected object on secondary side.

D – E Measuring of the pressure difference over the adjusting valve on the secondary side.
Secondary flow can be determined with the help of data for the adjusting valve.

B – E Pressure drop over the control valve.

TTM Shuntopac® H 20-50 K installation options

Dimensions TTM Shuntopac®  H 20-50 K 

Connection DN2025324050
A300300300300350
B590590590590745
C5050505050
D200200200200225
E200200200200240
F210210210210225
G *410410410410435
H670670670670825
I95959595100
J *320320320320320
Weight, approx. kg2732374247

Max. pressure: 1,0 MPa
Temp. range: -20 – +110 °C
Specified dimensions are valid for the standard version. Some variations may occur if alternative equipment is used.
*) The dimensions refers to a shunt unit with pre-installed pump type Grundfos Alpha2 L25-40 180.

TTM Shuntopac® H 20-50 K

Constant flow on primary and secondary side.

The control valve is mounted as mixing valve in the return pipe on the primary side.

01 K

02 K

Variable flow on the primary side, constant on secondary side.

The control valve is fitted in the return pipe on the primary side.

09 K

10 K

Slide
Simonsland in Borås

When Kanico created a new district in the town of Borås, they chose TTM to supply shunt units for the HVAC systems. The area is called Simonsland and contains 60,000 m2 of buildings.

Slide
The opera house in Copenhagen

TTM Energiprodukter was one of the suppliers in the construction of the prestigious Copenhagen Opera House Together with their reseller, the company succeeded in winning the deal and delivering 98 different shunt units.

Slide
New office in Solna

NCC are building their new head office at Järva Krog in Solna. The new head office has a strategic and easily accessible position adjacent to the E4 motorway.