Pressure Relief Device

with or without 1 or 2 microswitches for control
10000 scfm @ 15 psi

Available models for operation pressures:
4 psi      27.6 kPa
5 psi      34.5 kPa
8 psi      55.2 kPa
9 psi      62.1 kPa
10 psi    69.0 kPa
11 psi    75.9 kPa
12 psi    82.8 kPa
15 psi   103.5 kPa
*20 psi special order

Optional: Yellow semaphore.

 
The air flow rate of the valve is 283 m3 / min (10000 feet3 / min) @103,5 kPa and an air temperature of 21°C.


Select your model

Select your model

Pressure Relief Device (PRD) with integral directional shield



Orto de México is a manufacturer of control instruments for transformers
 
TECHNICAL SPECIFICATIONS
 
DIMENSIONS
  Mounting diameter 235.00 mm ( 9,250 ")
  Aluminium base diameter 324.00 mm (12.76 ")
  Recommended opening in the tank 170.00 mm (6.69 ")
  Diameter of exit of directional shield 152.40 mm (6 ")
  Height of the PRD 353.00 mm (13.88 ")
     
Materials
Base Aluminium sand cast painted in light grey ASA 70
Directional shield Aluminium sand cast painted in light grey ASA 70
Directional shield cover Aluminium sand cast painted in light grey ASA 70
Spring support Aluminium sand cast painted in light grey ASA 70
Gasket and O'ring Viton
Screws Stainless steel
Diaphragm Stainless steel AISI 304
Semaphore Aluminium painted in yellow color
Indicator pin Aluminium painted in yellow color
Switches activator Aluminium painted in yellow color