R307 Miniature precision pressure regulator 30 mm x 30 mm
An internal filter is provided only to stop random contamination resulting from the installation of the regulator; an
auxiliary upstream filter is recommended for use in all but the cleanest of media. Gaseous media should be free of
excessive moisture to prevent icing of the regulator at high flow rates.
4.3 Operation
Controlled outlet pressure settings are obtained by adjusting the control knob. Rotating the knob clockwise raises the
outlet pressure while a counterclockwise rotation coupled with venting of the downstream side of the regulator
plumbing lowers the outlet pressure. Final adjustment should be made in the direction of increasing pressure to
obtain the most accurate set points. These regulators will operate with any liquid or gaseous media compatible with
the wetted materials.
Pressure regulators Series 231; 232; 233; 239 and R13 are factory setted. The range can’t be changed and range
spring can’t released.
The general function of pressure regulators is shown in the movie link!
Final adjustment should be made in the direction of increasing pressure to obtain the most accurate set points.
These regulators will operate with any liquid or gaseous media compatible with the wetted materials.
Satisfy yourself that the pressure reducers will only be used within their admissible limiting value (see technicla
data). Operating outside the nominal temperature range could destroy the sealings.
Warning:
By placing and locking the handknob at a corresponding position on the adjusting screw or by placing and locking
the adjusting screw at a corresponding position against the bonnet, the maximum output pressure of some regulator
types can be increased to a value considerably higher than the maximum output pressure signed on the unit. Using
a regulator with a output pressure considerably higher than the output pressure specific by the manufacturer may
have the following consequences:
•
a load spring compressed nearly to solid height has a different characteristic than an elongated spring, this may
negatively affect the regulator's controlling function (the harshly compressed loadspring may prevent a
complete shutoff of the main valve, the regulator would show creep). - At the risk of their permanent
deformation
•
internal regulator parts are exposed to stresses beyond their design. Damages caused by excessive back
pressure setting are excluded from warranty.
4.4 Shut-Down Actions
•
Close inlet valve.
•
Use up the remaining gas or drain completely.
•
Turn hand knob counterclockwise until the spring is completely uncharged
5 Maintenance
Do not carry out any maintenances / repairs if the pressure reducer will be under pressure.
The maintenance and repair may only be performed by trained experts! The inspection is recommended
every 6 months if a system has a normal duty cycle. The device is checked for outside damages and function. More
frequent maintenance may be necessary when the system is used under extreme conditions.
5.2 Trouble Shooting
Dok-Nr.: BA-R307
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Created on 2022-07-22
