Safety valve - Unival https://univalsrl.it/en/product-category/components-for-solar-plants/safety-valve/ Unique Value for You Fri, 11 Feb 2022 14:44:45 +0000 en-US hourly 1 https://univalsrl.it/wp-content/uploads/2021/08/cropped-Fav-icon-32x32.png Safety valve - Unival https://univalsrl.it/en/product-category/components-for-solar-plants/safety-valve/ 32 32 Automatic air-vent “Unisolar” https://univalsrl.it/en/product/automatic-air-vent-unisolar/ Wed, 01 Dec 2021 16:00:22 +0000 https://univalsrl.it/?post_type=product&p=11475 CE 2014/68/UE/P.E.D

L'articolo Automatic air-vent “Unisolar” proviene da Unival.

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Technical specifications

DN 1/2"
A 82
B 51
CH 28
Ø 51
Ø1 39
PZ 10/100
Kg 17

L'articolo Automatic air-vent “Unisolar” proviene da Unival.

]]> Safety valve without “no-return” device for solar boiler https://univalsrl.it/en/product/safety-valve-without-no-returndevice-copia-3/ Thu, 09 Sep 2021 10:50:48 +0000 http://univalsrl.it/?post_type=product&p=8355 Technical specifications A 35 CH 16 Ø C 6 DN 1/2″ F PZ. 50/450 kg 17 CALIB. 8,5 bar “Saso” model _________________________ Function The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially consist of […]

L'articolo Safety valve without “no-return” device for solar boiler proviene da Unival.

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Technical specifications

A 35
CH 16
Ø C 6
DN 1/2" F
PZ. 50/450
kg 17
CALIB. 8,5 bar

“Saso” model

_________________________

Function

The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially consist of 8 main devices: 3 controlling flow and 5 safety devices.

L'articolo Safety valve without “no-return” device for solar boiler proviene da Unival.

]]> Safety valve without “no-return” device for solar boiler https://univalsrl.it/en/product/safety-valve-without-no-returndevice-copia-2/ Thu, 09 Sep 2021 10:48:30 +0000 http://univalsrl.it/?post_type=product&p=8352 Technical specifications A 37 B 22 CH 16 Ø C 6 DN 1/2″ M PZ. 50/450 kg 17 CALIB. 8,5 bar “Saso” model _________________________ Function The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially […]

L'articolo Safety valve without “no-return” device for solar boiler proviene da Unival.

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Technical specifications

A 37
B 22
CH 16
Ø C 6
DN 1/2" M
PZ. 50/450
kg 17
CALIB. 8,5 bar

“Saso” model

_________________________

Function

The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially consist of 8 main devices: 3 controlling flow and 5 safety devices.

L'articolo Safety valve without “no-return” device for solar boiler proviene da Unival.

]]> Safety valve for solar boiler with handle https://univalsrl.it/en/product/safety-valve-for-water-heaters-with-handle-copia/ Thu, 09 Sep 2021 10:46:07 +0000 http://univalsrl.it/?post_type=product&p=8349 Technical specifications A 46 B 65 CH 25 Ø C 8 DN 1/2″ MF PZ. 15/135 kg 15 CALIB. 8,5 bar Heavy model ___________________________ Function The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially […]

L'articolo Safety valve for solar boiler with handle proviene da Unival.

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Technical specifications

A 46
B 65
CH 25
Ø C 8
DN 1/2" MF
PZ. 15/135
kg 15
CALIB. 8,5 bar

Heavy model

___________________________

Function

The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially consist of 8 main devices: 3 controlling flow and 5 safety devices.

L'articolo Safety valve for solar boiler with handle proviene da Unival.

]]> Safety valve for solar boiler https://univalsrl.it/en/product/safety-valve-for-water-heaters-copia/ Thu, 09 Sep 2021 10:41:12 +0000 http://univalsrl.it/?post_type=product&p=8345 Technical specifications A 46 B 58 CH 25 Ø C 8 DN 1/2″ MF PZ. 15/135 kg 14 CALIB. 8,5 bar Heavy model ___________________________ Function The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially […]

L'articolo Safety valve for solar boiler proviene da Unival.

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Technical specifications

A 46
B 58
CH 25
Ø C 8
DN 1/2" MF
PZ. 15/135
kg 14
CALIB. 8,5 bar

Heavy model

___________________________

Function

The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially consist of 8 main devices: 3 controlling flow and 5 safety devices.

L'articolo Safety valve for solar boiler proviene da Unival.

]]> Safety valve for solar boiler with handle and orientable 360° lower outlet https://univalsrl.it/en/product/safety-valve-for-water-heaters-wood-with-lever-with-orientable-discharge-360-lower-outlet-copia/ Thu, 09 Sep 2021 10:39:28 +0000 http://univalsrl.it/?post_type=product&p=8342 Technical specifications A 40 B 60 CH 25 Ø C 5 DN 1/2″ MF PZ. 20/180 kg 13 CALIB. 8,5 bar Light model __________________________ Function The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially […]

L'articolo Safety valve for solar boiler with handle and orientable 360° lower outlet proviene da Unival.

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Technical specifications

A 40
B 60
CH 25
Ø C 5
DN 1/2" MF
PZ. 20/180
kg 13
CALIB. 8,5 bar

Light model

__________________________

Function

The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially consist of 8 main devices: 3 controlling flow and 5 safety devices.

L'articolo Safety valve for solar boiler with handle and orientable 360° lower outlet proviene da Unival.

]]> Safety valve for solar boiler with orientable 360° lower outlet https://univalsrl.it/en/product/safety-valve-for-water-heaters-wood-with-orientable-discharge-360-lower-outlet-copia/ Thu, 09 Sep 2021 10:37:45 +0000 http://univalsrl.it/?post_type=product&p=8339 Technical specifications A 40 B 50 CH 25 Ø C 5 DN 1/2″ MF PZ. 25/225 kg 16 CALIB. 8,5 bar Light model __________________________ Function The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially […]

L'articolo Safety valve for solar boiler with orientable 360° lower outlet proviene da Unival.

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Technical specifications

A 40
B 50
CH 25
Ø C 5
DN 1/2" MF
PZ. 25/225
kg 16
CALIB. 8,5 bar

Light model

__________________________

Function

The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially consist of 8 main devices: 3 controlling flow and 5 safety devices.

L'articolo Safety valve for solar boiler with orientable 360° lower outlet proviene da Unival.

]]> Safety valve for solar boiler with handle https://univalsrl.it/en/product/safety-valve-for-water-heaters-with-handle-copia-2/ Thu, 09 Sep 2021 10:36:25 +0000 http://univalsrl.it/?post_type=product&p=8336 Technical specifications A 40 B 60 CH 25 Ø C 6 DN 1/2″ M PZ. 20/180 kg 13 CALIB. 8,5 bar Light model __________________________ Function The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially […]

L'articolo Safety valve for solar boiler with handle proviene da Unival.

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Technical specifications

A 40
B 60
CH 25
Ø C 6
DN 1/2" M
PZ. 20/180
kg 13
CALIB. 8,5 bar

Light model

__________________________

Function

The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially consist of 8 main devices: 3 controlling flow and 5 safety devices.

L'articolo Safety valve for solar boiler with handle proviene da Unival.

]]> Safety valve for solar boiler https://univalsrl.it/en/product/safety-valve-for-water-heaters-copia-2/ Thu, 09 Sep 2021 10:34:05 +0000 http://univalsrl.it/?post_type=product&p=8333 Technical specifications A 40 B 50 CH 25 Ø C 6 DN 1/2″ MF PZ. 25/225 kg 16 CALIB. 8,5 bar Light model __________________________ Function The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially […]

L'articolo Safety valve for solar boiler proviene da Unival.

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Technical specifications

A 40
B 50
CH 25
Ø C 6
DN 1/2" MF
PZ. 25/225
kg 16
CALIB. 8,5 bar

Light model

__________________________

Function

The pressure relief valves protect hot water storage heaters from internal overpressure. Furthermore, they restrict or prevent (according to requirements) water returning to main supply piping. Pressure relief valves essentially consist of 8 main devices: 3 controlling flow and 5 safety devices.

L'articolo Safety valve for solar boiler proviene da Unival.

]]> Safety valve “Unisolar” double function temperature and pressure https://univalsrl.it/en/product/safety-valve-unisola-double-function-temperature-and-pressure/ Thu, 02 Sep 2021 16:11:04 +0000 http://univalsrl.it/safety-valve-unisola-double-function-temperature-and-pressure/ Technical specifications A 180 B 35 CH 21 CH1 Ø15=21,Ø22=27 calib. 3÷8 bar Ø 15-22 Kg 7 PZ 1/24 Technical and construction specifications Materials: Body: Brass UNI EN12165 ADZ602N Stem: Brass UNI EN12164 CW614N Obturator and diaphragm: EPDM Spring: Steel UNI EN10270-1 SH Control knob: ABS Nominal pressure: PN10 Discharge rating: 1/2″E 3/4 Ø15; 10 […]

L'articolo Safety valve “Unisolar” double function temperature and pressure proviene da Unival.

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Technical specifications

A 180
B 35
CH 21
CH1 Ø15=21,Ø22=27
calib. 3÷8 bar
Ø 15-22
Kg 7
PZ 1/24

Technical and construction specifications

Materials:

  • Body: Brass UNI EN12165 ADZ602N
  • Stem: Brass UNI EN12164 CW614N
  • Obturator and diaphragm: EPDM
  • Spring: Steel UNI EN10270-1 SH
  • Control knob: ABS
  • Nominal pressure: PN10
  • Discharge rating:
    1/2″E 3/4 Ø15; 10 kW
    3/4 Ø22; 25kW
  • Medium: Water
  • PED Category: IV
Settings
  • Temperature: 180°
  • Pressure: 3-4-6-7-10 bar
Connections
  • 1/2” M XØ15 mm with compression fitting for copper pipe
  • 3/4″M X Ø22 mm with compression fitting for copper pipe

Function

The TP double function relief valve “UNISOLAR” controls and limits the temperature and pressure of hot water contained in a domestic storage heater and prevents it from being able to reach temperatures up to 180°C, with the formation of steam. On reaching the settings, the valve discharges a sufficient amount of water into the atmosphere so that the temperature and pressure return within the system operating limits. This particular series of valves is certified as conforming to the performance requirements of the European standard EN 1490 (for settings of 4-7-10 bar).

Operating principle

The valve opens the outlet on reaching the settings for:

  • Temperature: the thermostat compound inside the temperature sensor submerged in the hot water storage heater, expands as the temperature increases. This expansion causes a thrust pin to move and act on the obturator opening the valve. The valve is set to open at temperatures of over 100°C.
  • Pressure: the obturator, opposed to a set spring, raises on reaching the pressure setting and opens the outlet completely. The pressure setting is chosen according to the maximum permissible pressure in the system. As the temperature and pressure decrease, the opposite action occurs with the valve subsequently reclosing within the set tolerances.

Certification

CE MARK: The double function relief valves “UNISOLAR” comply with the essential safety requirements of Directive 2014/68/UE/P.E.D. concerning pressure equipment (also called PED). They are therefore classified as category IV and are equipped with the CE mark.

Product certification in accordance with European Standard EN 1490

European Standard EN 1490: 2000, entitled “Building valves – Combined temperature and pressure relief valves – Tests and requirements”, describes the constructional and performance specifications that TP relief valves must-have.

L'articolo Safety valve “Unisolar” double function temperature and pressure proviene da Unival.

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