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Spring-Loaded Pressure Relief Valves
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Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves
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Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves

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Spring-Loaded Pressure Relief Valves Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves
VCP Pressure Relief Valves are the last safety net when abnormal pressure conditions endanger the silo structure. This is why sudden excess or suction pressure inside the silo must be dealt with instantaneously. Even though ideally a Pressure Relief Valve should never have to go into action, it must be efficient and reliable if needed.
With more than 60,000 units installed worldwide, VCP Pressure Relief Valves have given evidence of being totally reliable under the most different conditions.
Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves
  Description
Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves
VCP Pressure Relief Valves consist of a cylindrical casing with clamped weld-on spigot, a disc shape inner steel lid for negative pressure operation held in position by a central spring rod, an outside steel ring for excess pressure kept in position by three spring rods, gaskets, and a weather protection cover.
Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves
  Function
Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves
In the VCP Pressure Relief Valve, helical springs keep the valve lids closed when the pressure value remains within the preset limits. The three outside spring rods keep the external ring-shaped lid firmly closed as long as the force generated by the pressure inside the silo does not overcome the spring force. Once the pressure exceeds the preset value the lid is pushed up and the pressure can escape. The smaller lid covers the central circular opening of the external lid from below. It is held in the middle by a single spring rod and is pressed onto the external lid by the normal air pressure inside the silo. In the event of suction pressure, the spring is compressed and allows the lid to drop. The air entering the silo from outside ensures rapid pressure balance and pushes the central lid back up into the "closed" position.
Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves
  Performance & Technical Features - Benefits
Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves
  • Carbon steel body (VCP2731B) painted RAL 7001 or 304 / 316 stainless steel body (VCP2732B)
  • Weather protection cover in stainless steel
  • Body diameter = 273mm (10 in)
  • Air volume up to 9,000m3/h (5,300 cfm)
  • Equipment for inductive signalling sensors
  • Both versions preset for maximum negative pressure of - 0.002 bar (0.03 psi) and maximum excess pressure of + 0.05 bar (0.72 psi).
  • Should customer requirements be different, valves can be set within a range of suction pressure from - 0.002 bar (0.03 psi) to - 0.012 bar (0.17 psi) and for excess pressure ranging from + 0.028 bar (0.4 psi) to + 0.1 bar (1.45 psi).
  • Weight: 9.5 kg (21 lbs)

  • Lightweight design and reduced overall dimensions make handling extremely comfortable
  • High resistance to atmospheric agents
  • Easy to fit
  • Quick maintenance
Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves
  Options & Accessories
Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves
  • Flanged spigot connection
  • ATEX-certified version for zone 21
Spring-Loaded Pressure Relief Valves
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Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves Spring-Loaded Pressure Relief Valves Spring-Loaded Pressure Relief Valves
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Spring-Loaded Pressure Relief Valves
Spring-Loaded Pressure Relief Valves