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Control Valves

V47/V87/VR/VMU Series

Servo Regulated Gas Valves and Accessories

Overview
V4730C; V4734C; V8730C Gas/Air Servo Regulated Gas Valves & VMU Mixing Units 
  • Body Pattern: Straight flange Valve 
  • Opening Time: Dead time maximum: 1 s; First valve – < 1 s 
  • Materials: Body: Aluminum alloy, die-cast Frequency: 50 Hz; 60 Hz Ambient Temperature Range: 5°F to 140°F (-15°C to +60°C) 
  • Approvals, CSA: File: Certificate No: 158158-1227192 
  • Approvals, Others: Gas Appliance Directive: 90.396/EEC, PIN: 0063AT1198, Low Voltage Directive: 73/23/EEC, Electro Magnetic Compatibility Directive: 89/336/EEC 
  • Maximum Safe Operating Pressure (psi): 0.5 psi (CSA approved), 1.45 psi for 120V) 
  • Maximum Operating Pressure (mbar): 35 mbar (CSA approved) 
  • Comments: The minimum load for which the system can be used is 14-17% of the reference load, which equals a minimum pressure differential of 0.2 in. wc (50 Pa) of the 1:1 venturi/servo regulator gas control
  • Coil Insulation Solenoid Valves: Class H insulation system VMU Mixing Units
The venturi mixing unit (VMU), combined with the V4730C/ V8730C gas valves and specific direct current (dc) fan, has been developed for modulating premix appliances like gas burners and gas boilers. 
  • Has a wide modulation band (14 to 100% of the boiler load). 
  • Flexible mounting positions of gas control to venturi manifold and venturi manifold to fan. 
  • Two stainless steel sensing tubes are provided for use with or without manual safety shutoff valve. 
  • Materials: Housing: Aluminum, Venturi: Statically dissipative statcon PF, Seals: Rubber (NBR)
  • Ambient Temperature Range: 32°F to 212°F (0°C to 100°C) 
  • Approvals, CSA: File: Certificate No: 158158-1227192 
  • Pipe Connection: Four M5 screws and a rubber O-ring are provided with the venturi to assemble it to the V4730C/V8730C gas valve
  • The stainless steel tube provided with the venturi has to be connected between the venturi inlet (connection provided) and the gas valve regulator
  • Longer sensing tube for use with manual safety shutoff valve (KTTBA002). Shorter sensing tube for use without manual safety shutoff valve (KTTBA001).
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Product Number
Part Number
Description
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50002653-001/U
VALVE KIT ( 1500000)
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50002653-002/U
VALVE KIT (#1500001)
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C60VRT40040
PRESSURE SWITCH 5-40MBAR USA
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V2MU0500-010
MIXING UNIT 500 KW SV2 SERIES
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VMU150A1052
VENTURI 150KW WITH INSERT
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VMU185A1033/U
VENTURI FOR REMEHA
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VMU185A1074
VENTURI 185 KW LPG SPECIAL
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VMU185A1084
VENTURI 185 KW FOR V47/8730C
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VMU300A1004
MANIFOLD - 300KW
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VMU300A1046
VENTURI 300KW FOR USE WITH V47/8730C
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