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Utilizacion: Las Válvulas Termostáticas con seguridad termoeléctrica EITAR series 747A, 748A, 751 A, 75113, 752A, 760A y 780A han sido diseñadas especialmente para ser utilizadas en Calentadores de Agua por Acumulación alimentados a gas.
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Thermostatic valves with thermoelectric safety device |
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| {mosimage} | Utilización: The EITAR Thermostatic valves with thermoelectric safety device have been specifically designed to be used in gas fired storage water heaters. |
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Construction Characteristics |
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- Gas resistant internal elements.
- Body made with an Aluminium Alloy
- Parts in contact with water made with forged brass and cooper.
- Gas inlet protected by stainless steel filter.
- Cooper sensor according to ASTM B68 and B251.
- Series 780A is provided with a Temperature Limit (ECO) with automatic reset (thermostat) or one shot (thermal fuse)
- Cover, knob and push button are plastic made.
- Colours and markings are customer especified.
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- Inlet/Outlet fittings: 3/8” BSP and 3/8” NPT
- Pilot fitting: W 7/16 x 24 h/”.
- Sensor Flange Threading: ¾ NPT or ¾ BSPT
- Thermocouple connection: M 9x1 o W11/32 x 32 h/”
- Maximum adjustment torque of the inlet/outlet fittings: 15 Nm.
- Maximum adjustment torque of the Pilot Burner outlet fitting: 10 Nm.
- Maximum adjustment torque of the thermocouple: 4 Nm.
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- For any type of gas.
- Body maximum working temperature: 80 ºC
- Inlet maximum pressure: 50 HPa (50 mbar)
- Reference Flow measured with a pressure drop of 1,3 HPa (1,3 mBar):
- 18,5 KW ( 15900 Kcal./h) for GN;
- 28 KW ( 24000 Kcal./h ) for GE.
- Typical maximum temperature settings: 65 ºC, 70 ºC or 75 ºC (+/- 5ºC)
- Maximum temperature differential: 11 ºC.
- Magnetic unit holding time: 5 - 10 s.
- Magnetic unit releasing time: 30 – 50 s.
- Temperature Limit operating temperature: from 87 ºC to 95 ºC (optional)
- Fullfil requirements of the Argentine Standard NAG 314
- Leakage according to the Argentine Standard NAG 318.
- Life test according to Argentine Standard NAG 318 y NAG 322.
Aproved by IGA |
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