Gestra Products Technical - Control And Power

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How to Read Type Codes GESTRA Type Designations for Boiler Controls 78 Measured variable B = Density (TDS) D = Pressure L = Conductivity M = Mechanical Quantity N = Level O = Oil and Turbidity P = Program control T = Temperature U = Universal Z = Time Closed-loop control Function A = Display B = Operating unit C = Control unit G = Sensor N = Power supply unit R = Controller S = Switch T = Transmitter V = Preamplifier N R G 2 1 - 5 1 N R S 1 - 1 N R G S 1 6 - 1 Code of variants Consecutively numbered Pressure Rating 1 = PN 6 2 = PN 10 6 = PN 40 7 = PN 63 8 = PN 63/100 9 = PN 160 10 = PN 250 11 = PN 320 Principle of Measurement 1 = Conductivity 2 = Capacitance 3 = Ultrasonic 4 = Photoelectric 5 = Temperature
How to Read Type Codes GESTRA Type Designations for Boiler Controls Function: Input signal (x) Sensor Sensor Sensor N R ... ... T S R R (Transmitter) (Switch) Three-position controller W (Setpoint) Continuous controller W (Setpoint) Output signal (y) 0/4.....20 mA Sensor 0/4.....20 mA Level Switch Type NRS 1-1 .. a # Enclosure for wall mounting b Enclosure for installation in control cabinet c* 19" slide-in unit d Spare plug-in card for 19" slide-in unit e Case for panel mounting f Integrated solenoid valve plug # Often design b with additional enclosure for wall mounting * Installation in 19" mounting panel provided on site or separately supplied 19" mounting panel 79 B
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GESTRA Technical Information Steam
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GESTRA Steam Traps and Steam Trap M
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For steam and energy management, we
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Thermostatic Steam Traps BK with Du
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Thermostatic Steam Traps MK with Me
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Ball-Float Traps UNA PN 1 - PN 1 0
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Ball-Float Traps UNA PN 1 - PN Capa
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Thermodynamic Steam Traps DK PN 0,
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Steam Traps for Special Application
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Steam Traps for Special Application
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Steam Trap Units ECONOline for UNIV
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Testing Steam Traps Like any other
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Steam Trap Monitoring Equipment Sys
Page 27: Condensate Collector and Steam Mani
Page 30 and 31: GESTRA DISCO Non-Return Valves 30 G
Page 32 and 33: DISCO ® Non-Return Valves RK, PN 6
Page 44 and 45: DISCOCHECK ® Dual-Plate Check Valv
Page 46 and 47: DISCOCHECK ® Dual-Plate Check Valv
Page 48 and 49: DISCO ® Swing Check Valves CB DN 5
Page 50 and 51: Swing Check Valves WB without sprin
Page 52 and 53: NAF-Check Valves DN 40 - 1000 mm, P
Page 54 and 55: GESTRA Control Valves ZK 54 GESTRA
Page 56 and 57: Cooling Water Control Valves CW GES
Page 58 and 59: Return-Temperature Control Valves B
Page 60 and 61: Return-Temperature Control Valves B
Page 62 and 63: Self-Acting Pressure Control Pressu
Page 64 and 65: Self-Acting Temperature Controllers
Page 66 and 67: Control Valves with Electric and Pn
Page 68 and 69: Control Valves ZK with Radial Stage
Page 70 and 71: Control Valves ZK with Radial Stage
Page 72 and 73: Strainers GSF H H 1 H H 1 72 B S
Page 74 and 75: Stop Valves GAV H 1 74 L1 Stop Valv
Page 76 and 77: SPECTOR Product Range GESTRA’s SP
Page 80 and 81: GESTRA Steam Plant D 80 T P S A J B
Page 82 and 83: Fundamental Principles of Measureme
Page 84 and 85: Type Approvals at a Glance GESTRA B
Page 86 and 87: Type Approval Nos. at a Glance Type
Page 88 and 89: Level Limitation Low-Level Limiter
Page 90 and 91: Description 1. Conductivity Measure
Page 92 and 93: SPECTORcompact Where formerly two d
Page 94 and 95: Self-Monitoring Low/High-Level Alar
Page 96 and 97: Modulating Level Control - Conventi
Page 98 and 99: Accessories for Liquid-Level Alarms
Page 100 and 101: Level Probes and Control Units for
Page 102 and 103: Marine Applications Level Electrode
Page 104 and 105: GESTRA Equipment for Energy Supply
Page 106 and 107: Temperature Control Bus NrS 1-40.1
Page 108 and 109: Temperature Control Conventional Tr
Page 110 and 111: Conductivity Monitoring Basic Princ
Page 112 and 113: Conductivity Spector Bus/Compact Lr
Page 114 and 115: Conductivity Monitoring with Manual
Page 116 and 117: Conductivity Monitoring with Manual
Page 118 and 119: Ancillaries: Level Pots and Portabl
Page 120 and 121: Continuous Blowdown Valves 120 L BA
Page 122 and 123: Programme-Controlled Blowdown Syste
Page 124 and 125: Rapid-Action Intermittent Blowdown
Page 126 and 127: Contamination Detectors for Condens
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Ingress of Oil in Cooling Water Sys
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Flowmeters for Steam, Gases and Liq
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GESTRA SPECTOR Family SpECTorcom/co
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Condensate Recovery and Return Syst
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Closed-Type Condensate Recovery and
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Steam Powered Condensate Return Tan
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Steam Regenerators Steam regenerato
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Flash Vessels Type VD Flash Vessels
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Condensate Dampening Pot ED Technic
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Controls Pump Controls Function The
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Questionnaire for preparing offers
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156 Our Mobile Testing Station For
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Technical Advice and Training Semin
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Useful Conversions MASS 1 kilogramm
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EC Pressure Equipment Directive (PE
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EC Pressure Equipment Directive (PE
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Combined Imperial and S. I. Steam T
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DIN Material Reference Chart 168 EN
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Technical Literature Technical Docu
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Index by Product Name Product Type
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Index by Product Name Product Type
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Index by Product Code Type Product
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Note: Responable care has been take
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Gestra Products Technical - Control And Power

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