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Pilot-Operated Gas Pressure Regulators

Providing gas even when your meter service is interrupted, a turbine gas meter is perfect for industrial applications where gas flow continuity is crucial,Using gas velocity for measuring the volume of gas within the meter, these inferential style meters limit the measure and lower gas flow rates.

Our range of turbine meters are all, space saving, inline meters and a variety of options are available, including a biogas option, to suit your application.

1 Aperflux 101
2 Aperval
3 Aperval101
4 Dixi AP
5 Reflux 819
1 Aperflux 101

The Aperflux 101 is a pilot-controlled pressure regulator for medium and high pressure. Aperflux is a "fail open" regulator i.e. it opens in following conditions:
•    If the  main diaphragm fails;
•    If the  pilot diaphragm/s fail;
•    If the  pilot seat valve fails;
•    If there is no feed  to the pilot loop.
These regulators are suitable for use with previously-filtered non-corrosive gases.

Features

Technical data
  • Accuracy class
  • Available size DN
  • Closing pressure class SG
  • Design pressure
  • Design temperature
  • Flanging
  • Maximum working differential pressure
  • Minimum working differential pressure
  • Outlet pressure range of Wd
  • Range of inlet pressure bpu
2 Aperval

Aperval is a pilot-controlled pressure regulator for medium and low pressure applications.
Aperval is normally a fail open regulator and will open specifically under the following conditions:
•    If the  main diaphragm fails;
•    If there is no sensor line input .
This regulator is suitable for use with previously-filtered, non-corrosive gases.

eatures

Technical data
  • Accuracy class
  • Available size DN
  • Closing pressure class SG
  • Design pressure
  • Design temperature
  • Flanging
  • Maximum working differential pressure
  • Minimum working differential pressure
  • Outlet pressure range of Wd
  • Range of inlet pressure bpu
3 Aperval101

The APERVAL 101 is a pilot-controlled regulator for low- and medium-pressure applications. The APERVAL 101 is a fail-to-open regulator.
It will open if:
•    There is no  pilot loop supply;
•    The  main pilot diaphragm is damaged.
This regulator is suitable for use with previously-filtered, non-corrosive gases.
Its truly "top entry design" allows all  maintenance to be carried out  without taking  the body off  line.

Main Features
-Design pressure: up to 85 bar (1232,8 Psi)
-Design temperature: -20°C to +60°C (-4 to + 140°F)
-Ambient temperature: -20°C to +60°C (-4 to + 140°F)
-Range of inlet pressure bpu: 1,8 to 85 bar (26,1 to 1232,8 Psi)
-Range of outlet pressure Wd: 0,8 to 74 bar (11,6 to 1073,3 Psig) depending on installed pilot
-Minimum working differential pressure: 1 bar (14,5 Psi) - Recommended > 2 bar (29 Psig)
-Accuracy class AC: up to 1 depending on the outlet pressure
-Closing pressure class SG: 10 depending on the outlet pressure
-Available size DN: 2” - 3”
-Flanging: class 300-600 RF or RTJ according to ANSI B16.5
4 Dixi AP

The DIXI AP pressure regulator is a regulator for medium and high pressures. The DIXI AP regulator is normally closed and, as a result, closes if:
• The main diaphragm breaks;
• The pilot diaphragm breaks;
• There is no feed in the pilot circuit.

Main Features
-Design pressure: up to 85 bar (1232 Psi)
-Design temperature: -20°C to +60°C (-4 to + 140°F)
-Ambient temperature: -20°C to +60°C (-4 to + 140°F)
-Range of inlet pressure bpe: 1,5 to 85 bar (21,75 to 841 Psi)
-Range of outlet pressure Wh: 0,5 to 25 bar (7,25 to 362 Psig) (depending on installed pilot)
-Minimum working differential pressure: 1 bar (14.5 Psig)
-Accuracy class Ac: up to 1
-Closing pressure class SG: from 5 to 1 depending on outlet pressure
-Available size DN: 1”
-Flanging: class 300-600 RF or RTJ according to ANSI B16.5 according to ISO 7005.
5 Reflux 819

REFLUX 819 is a downstream pressure regulator, pilot controlled, for medium and high pressure applications. It is particularly suitable for use within the framework of installations for the distribution of natural gas, as well as for supply networks for civil and industrial use.

The accuracy of the regulated pressure, the high rangeability ratio, together with the fast adaptation to changes in the operating conditions, even in the presence of abrupt changes in the flow rate, make the regulator REFLUX 819 particularly suitable for use in gas supply installations of electric power generation stations (Turbogas).The Reflux 819 regulator, is classified according to the European standard EN 334, as a regulator which reacts in closure (Fail to Close).

It is truly a TOP ENTRYdesign, which confers to the regulator management advantages, for example the ability to performs full maintenance without uninstalling it from the connection pipe.

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