Italy giuliani anello Made ST4B Model High Pressure Gas Regulator With Shut Off Valve

High Pressure Gas Governor With Shut Off Valve

TECHNICAL SPECIFICATIONS

Inlet pressure range P1:
ST4B: 50 mbar up to 4 bar.
Operating range: neutral spring standard supply;other ranges according to the spring table.

Accuracy class: AC10
Lock-up pressure class: SG30

Operating temperature: -15℃ +60℃

Fuel : Gases of three families: manufactured gas (town gas);natural gas (group H - methane); liquefied petroleum gas(LPG); non-aggressive gas.

Material: Aluminum body, inner parts in aluminum ,steel, brass and synthetic materials; diaphragm and gaskets in nitrile-butadiene rubber.

Resistance: according to UNI-EN88-2 and UNI-EN13611 specifications.

Operation : by tensioning the spring, without auxiliary energy.

Construction Features:

Compensation of inlet pressure,

Standard supply safety diaphragm,

External pipe impulse-Rp1/4”

Fast-seal gasket.
Both side inlet and outlet pressure test points with 1/4”.

General Features

The gas regulator/governors are conform to EN88-2 specifications(2009/142/CE gas regulation).The regulator/governors are suitable to installation systems with automatic gas burners including mixed and combined systems and to industrial distribution systems.

Springs setting range:mbar Outlet Pressure of ST4B Model High Pressure Gas Regulator

TECHNICAL FEATURES
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).

INSTALLATION
Install the governor with the diaphragm positioned horizontally (on horizontal pipes). Be careful to follow always the direction of gas flow indicated by the arrow on the regulator/governor.

Suitable tools must be used for the regulator/governor fitting on the inlet and outlet hubs. Never effect leverage on the sleeve of the upper cover when fitting the regulator/governor.
For all models with the filter inside, the regulator/governor is best fitted at a comfortable height from the ground so as to faclitate the filter cleaning (fit always a suitable gas filter upstream the governor/regulator).

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