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VCP Series Spring-loaded Pressure Relief Valves

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VCP Pressure Relief Valves consist of a cylindrical casing with a bottom flange to be connected with a spigot welded on the silo roof, 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.

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.



VCP Pressure Relief Valve Brochure
(PDF, 368KB)

VCP Pressure Relief Valves Manual
(PDF, 1392KB)

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  Results 1 - 3 of 3 1 

Item #

Body Material

(A) Inch

(B) Inch

(C) Inch

(D) Inch

(E) Inch

(F) Inch

Weight (Kg)

VCP.273 Carbon Steel 15.75 14.02 4.92 4.72 12.80 10.75 9.5
VCP.375 Carbon Steel 20.67 18.43 6.89 4.72 15.75 14.02 23
VCP.273.1/C Carbon Steel with Stainless Steel Cover 20.67 18.43 6.89 4.72 15.75 10.75 OD 23
  Results 1 - 3 of 3 1