Van khí nén, van điều khiển hãng Gestra, 100% Đức, model: NRG 11-1, NRGS 16-1

www.gestra-vietnam.tk

GESTRA is a global leader in the design and production of valves and control systems for heat and process fluid control. We offer our customers a full range of complete systems and intelligent solutions engineered to function with maximum reliability. Our products have many practical applications and are used wherever

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Equipment for steam and hot water generator

PN 40-PN 320

Conventional

PN 40-160 limit level
Water level limiter High water alarm	NRG 16-50 to NRG 19-50 / NRS 1-50 NRG 16-51 to NRG 19-51 / NRS 1-51
PN 40-250 control level	NRG 26-11 / NRR 2-2 LD 144 / KS 92-1
Limit temperature	TRG 5-53 to 5-57 / TRS 5-6
Measure conductivity / desalination
PN 40-160 PN 40-63	LRG 16-4 to 19-1 / LRR 1-5 /URS 2 LRGT 16-1 to 17-1 / KS 90
Desalination PN 40-320	electrically BAE 46 to BAE 211
Blowing-down PN 40-250	manually PA 46 to PA 111 pneumatically MPA 46 to 110

BUS-technology

PN 40-320 limit level
Water level limiter High water alarm	NRG 16-40 to 111-40 / NRS 1-40 NRG 16-41 to 19-41 / NRS 1-41
PN 40-250 control level	NRG 26-40 / NRR 2-40 / URB
Limit temperature	TRG 5-63 to 5-69 / TRV 5-40 / NRS 1-40.1
Measure conductivity / desalination
PN 40-63	LRG 16-40 to 17-40 / LRR 1-40 / URB
Desalination PN 40-320	electrically BAE 46 to BAE 211
Blowing-down PN 40-250	pneumatically MPA 46 to 110

GESTRA control technology

Level controlling

In condensate and feed water tanks, etc.

NRG 11-1, PN 6, G1, 4 switching points, PP on/off, flooding, dry run

NRGS 16-1, PN 40, G1, 4 switching points

NRG 11-2, PN 6, G1, 3 switching points, PP on/off, lack of water for low pressure steam boilers up to 0.5 bar

NRGS 16-1