Honeywell HON R100NG Series - Page 14

Description
UsermanualforHONR100gaspressureregulatorwithHONP095NGpilot  14
TheHONR100NGandHONR100NG‐FOactuatorassemblyversionsfeaturethefollowing
ports:
Figure No. Connection
Front: 
1
Motorizationpressure
2 Outletpressure
3 Inletpressure
Back: 
1 Outletpressurefeedback
 


HONR100NG HONR100NG‐FO
 Inadepressurizedstate,thecompression
springwillpushthediaphragmupwardsothat
thevalveplatewillclose,creatingasealatthe
edgeleadingtothesupportcage(fail‐close).
 Themotorizationpressurewillproduceaforce
componentthatactsonthediaphragmfrom
above. 
 Theforcecomponentsarecomparedatthe
diaphragm. 
 Ifthemotorizationpressureisgreaterthanthe
compressionspringandoutletpressureacting
frombelow,thevalveplatewillbepushed
downward.Thiswillopenacorrespondinggap
betweentheinletpressureandoutletpressure
areas. 
 Inadepressurizedstate,thecompression
springwillpushthediaphragmdownward,
causingthevalveplatetobepusheddownward
andopeningagapbetweentheinletpressure
andoutletpressureareas(fail‐open).
 Themotorizationpressureandthecompres‐
sionspringwillproduceforcecomponentsthat
actonthediaphragmfromabove.
 Theloadingpressurewillproduceaforce
componentthatactsonthediaphragmfrom
below.
 Theforcecomponentsarecomparedatthe
diaphragm.
 Ifthemotorizationpressureisgreaterthanthe
loadingpressureactingfrombelow,thevalve
platewillsealofftheinlettpressureareasfrom
eachother.

Actuatorassemblycon‐
nectionlines
Howtheactuatoras‐
semblyworks