GAS REGULATOR – GIULIANI ANELLO
The gas governors are conform to the EN88-2 specifications (2009/142/CE gas regulation). The governors are suitable to installation systems with automatic gas burners including mixed and combined systems and to industrial distribution systems.
Compensation diaphragm, operating diaphragm and safety diaphragm: an external breather outlet pipe is not necessary as the incorporated safety diaphragm ensures that, in the event of breakage of the operating diaphragm, no gas leakage (over 30 dm3/h) is possible inside the room (in compliance with par. 3.3.2. EN88 specifications).
Description
TECHNICAL SPECIFICATIONS
Inlet pressure range P1 : ST4B: P2 + 50 mbar up to 4 bar.
Operating range P2 : neutral spring standard supply;
other ranges according to the spring table.
Accuracy class: ………………………………………… AC10
Lock-up pressure class: ………………………….. SG30
Operating temperature: …………………… -15°C +60°C
Fuel : gases of three families: manufactured gas (town gas); natural gase (group H – methane); liquefied petroleum gase (lpg); non-aggressive gas.
Material : aluminium body; inner parts in aluminium, steel, brass and synthetic materials; diaphragm and gaskets in nitrile-butadiene rubber.
Resistance : according to UNI-EN88-2 and UNIEN13611 specifications.
OPERATION by tensioning the spring, without auxiliary energy.
CONSTRUCTION FEATURES
– compensation of inlet pressure,
– standard-supply safety diaphragm,
– external pipe impulse – Rp 1/4”
– fast-seal gasket.
– both side inlet and outlet pressure test points with 1/4”
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