Gate Valves
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OTECO, Inc.
Relief Valve Safety Considerations
 
Following are important safety recommendations pertaining to the operation of OTECO Relief Valves.
 
Model RR Safety Tip
OTECO recommends that the model RR manual reset relief valve should be used in an upright position. Before operating the unit, ensure that proper rated piping is used and discharged to the mud tank. Inlet and outlet piping should be rated to the maximum working pressure of the model RR reset relief valve. Outlet piping should be reinforced with clamps or brackets to keep the model RR manual reset relief valve secured when in operation to release inlet pressure.
 
Model PRV Safety Tip
Use only Genuine OTECO Shear Pins. Substitution of nails, hex wrenches, or other objects can result in abnormally low or dangerously high pressures or prevent proper operation of the valve. By doing this the risk of valve failure increases as does the risk of bodily injury or death.
 
  Shear Pin Diagram
Shear Pin Stamp Diagram
The shear pin # designator stamp can be found on the shear pin as illustrated here.
 
 
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