Pump sets

Pressure side:
- Thermometer ball valve with red scale thermometer integrated in the handle (d = 50 mm, red scale)
- integrated check valve, can be opened manually
- DN 25 and DN 32: connection to the left with ½" internal thread for overflow valve or sensor, plugged


Suction side:
- DN 20: pump ball valve, key-actuated
- DN 25 and DN 32: pump ball valve with butterfly handle

Delivery with 2 nuts and 2 gaskets for a pump (without pump)

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can be completely isolated

Pressure side:
- PAW multivalve, with red butterfly handle
- Check valve, can be opened
- Automatic air passage
- With 2 nuts and gaskets for a pump DN 25 (without pump, without dial thermometer)

Suction side:
- PAW pump ball valve, with red butterfly handle

Thermometer available as accessory, item number 21711 (red)

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consisting of:
- Thermometer valve with blue scale dial thermometer integrated in the handle (d = 50 mm, blue scale)
- DN 25 and DN 32: connection to the left with ½" internal thread for overflow valve or sensor, plugged

Delivery with thread connection

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consisting of:
PAW multivalve with red butterfly handle and thread connection (without dial thermometer)

Thermometer available as accessory, item number 21721 (blue)

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Pressure side:
- thermometer valve with red scale dial thermometer integrated in handle (d = 50 mm), can be pulled off
- integrated check valve, can be opened manually
- DN 25 and DN 32: connection to the left, ½" internal thread for overflow valve or sensor, plugged


Suction side:
- DN 20: pump ball valve, key-actuated
- DN 25 and DN 32: pump ball valve with butterfly handle


Return:
- thermometer valve with blue scale dial thermometer integrated in the handle (d = 50 mm), can be pulled off
- DN 25 and DN 32: connection to the right, ½" internal thread for overflow valve or sensor, plugged
- thread connection

Delivery with 2 nuts and 2 gaskets for a pump (without pump)


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can be completely isolated

Pressure side:
- PAW multivalve, with red butterfly handle
- Check valve, can be opened
- Automatic air passage
- With 2 nuts and gaskets for a pump
(without pump, without dial thermometer)

Suction side:
- PAW pump ball valve, with red butterfly handle

Return:
- PAW multivalve, with red butterfly handle
- Thread connection

Thermometer available as accessory, item number 21711 (red), 21721 (blue) Learn More

Pressure side:
- PAW pump ball valve, with red butterfly handle
- Flow check valve, can be opened manually
- Automatic air passage
- With 2 nuts and 2 gaskets for a pump DN 25 (without pump)


Suction side:
- PAW pump ball valve, with red butterfly handle

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pump can be isolated

Pressure side:
- PAW multifunctional valve, with red butterfly handle
- Check valve, can be opened manually
- Automatic air passage
- With 2 nuts and 2 gaskets for a pump DN 25 (without pump, without dial thermometer)

Suction side:
- PAW pump ball valve, with red butterfly handle

Return:
- PAW multifunctional valve, with red butterfly handle
- Thread connection

Bypass:
- Differential pressure overflow valve ¾" with scale and thread connection
- Zinced bypass pipe with elbow gland

A min = 80 mm
A max = 200 mm
for 1": H = 360 mm
for 1¼": H = 395 mm

Thermometer available as accessory, item number 21711 (red), 21721 (blue)

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Overflow valve with scale, bypass pipe, elbow gland, completely self-sealing.
Centre distance A = length, see table

For larger distances you will have to install a copper pipe 22 in the necessary length on site.
2850 and 2851: with screw connection 2 x ½" external thread
2853: with screw connection 2 x ¾", flat-sealing, suitable for foreign products


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- Measuring range 0-120 °C,
- immersion shaft 25 mm, with self-sealing immersion sleeve,
- d = 50 mm

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