Gestra Products Technical - Control And Power

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GESTRA DISCO Non-Return Valves 30 GESTRA DISCO Non-Return Valves Type RK 86 and 86A These non-return valves feature a patented universal centering body. Standard valves fit between flanges PN 6-40, Class 150/300 as well as between BS10 flanges. Body material: stainless steel or austenitic steel.
Gravity Circulation Checks SBO, PN 6 Pressure Drop Charts Downstream of circulating pumps in heating and hot water installations to prevent gravity circulation. Pressure/Temperature Ratings / Material Dimensions SBO 11, SBO 21 SBO 31 Curve 1: SBO 21 DN 1" Curve 2: SBO 11 DN 1" Outlet: Screwed female Inlet: Union nut SBO 11 Outlet: Screwed male Inlet: Union nut SBO 21 Outlet: Screwed male Inlet: Screwed female SBO 31 L L L Curve 3: SBO 21 DN 1 1 /4" Curve 4: SBO 11 DN 1 1/4" Application Partial opening / instable range Full opening / stable range Volume flow V˙ w Pressure drop ∆p [bar] Max. service Max. service Materials pressure [bar] temperature [°C] Body Valve cone 6 130 1 ) Brass (CW614N) PPO 1 ) Max. service temperature at atmospheric pressure Type SBO 11 SBO 21 SBO 31 Size DN 1" 1 1 /4" 1" 1 1 /4" 3 /4" 1" 1 1 /4" Opening Pressures L [mm] 66 82 57 70 39 40 45 Connections Inlet 2 ) G 11 /2 G 2 G 11 /2 G 2 (BSP thread) Outlet G 1 G 11/4 G 1 G 11/4 2) SBO 11 and SBO 21: Thread of union nut Differential pressures at zero volume flow. Type DN Opening pressure [mbar] Direction of flow without with spring spring X X V Y SBO 11 1" 1 1 7 6 6 1 /4" SBO 21 1" 1 1 7 6 5 1/4" 3/4" SBO 31 1" 1 2 9 7 5 1/4" Curve 1: SBO 31 DN 3/4" Curve 2: SBO 31 DN 1" G 1 1/4 G 1 1/2 G 2 Partial opening / instable range Full opening / stable range Volume flow V˙ w Pressure drop ∆p [bar] Curve 3: SBO 31 DN 1 1/4" 31 A2
Page 1 and 2: GESTRA Technical Information Steam
Page 3 and 4: GESTRA Steam Traps and Steam Trap M
Page 5 and 6: For steam and energy management, we
Page 7 and 8: Thermostatic Steam Traps BK with Du
Page 9 and 10: Thermostatic Steam Traps MK with Me
Page 11 and 12: Ball-Float Traps UNA PN 1 - PN 1 0
Page 13 and 14: Ball-Float Traps UNA PN 1 - PN Capa
Page 15 and 16: Thermodynamic Steam Traps DK PN 0,
Page 17 and 18: Steam Traps for Special Application
Page 19 and 20: Steam Traps for Special Application
Page 21 and 22: Steam Trap Units ECONOline for UNIV
Page 23 and 24: Testing Steam Traps Like any other
Page 25 and 26: Steam Trap Monitoring Equipment Sys
Page 27: Condensate Collector and Steam Mani
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 78 and 79: How to Read Type Codes GESTRA Type
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
Page 128 and 129:
Ingress of Oil in Cooling Water Sys
Page 130 and 131:
Flowmeters for Steam, Gases and Liq
Page 132 and 133:
GESTRA SPECTOR Family SpECTorcom/co
Page 134 and 135:
Condensate Recovery and Return Syst
Page 136 and 137:
Closed-Type Condensate Recovery and
Page 138 and 139:
Steam Powered Condensate Return Tan
Page 140 and 141:
Steam Regenerators Steam regenerato
Page 142 and 143:
Flash Vessels Type VD Flash Vessels
Page 144 and 145:
Condensate Dampening Pot ED Technic
Page 146 and 147:
Controls Pump Controls Function The
Page 148 and 149:
Questionnaire for preparing offers
Page 150 and 151:
Page 152 and 153:
Page 154 and 155:
Page 156 and 157:
156 Our Mobile Testing Station For
Page 158 and 159:
Technical Advice and Training Semin
Page 160 and 161:
Useful Conversions MASS 1 kilogramm
Page 162 and 163:
EC Pressure Equipment Directive (PE
Page 164 and 165:
EC Pressure Equipment Directive (PE
Page 166 and 167:
Combined Imperial and S. I. Steam T
Page 168 and 169:
DIN Material Reference Chart 168 EN
Page 170 and 171:
Technical Literature Technical Docu
Page 172 and 173:
Index by Product Name Product Type
Page 174 and 175:
Index by Product Name Product Type
Page 176 and 177:
Index by Product Code Type Product
Page 178:
Note: Responable care has been take
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Gestra Products Technical - Control And Power

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