Valve mounting adaptor

Abstract

A mounting adaptor for a valve actuator includes a driver aperture configured to receive a valve actuator driver. The mounting adaptor further includes a plurality of mounting posts configured to engage a thermal riser or a valve attachment pad. The mounting adaptor includes a first set of apertures configured to engage the valve actuator and a second set of apertures configured to engage a different valve actuator.

What is claimed is: 
     
         1 . A mounting adaptor for a valve actuator, the mounting adaptor comprising:
 a first surface and a second surface, wherein the first surface is configured to contact the valve actuator;   a driver aperture extending from the first surface to the second surface, wherein the driver aperture is configured to receive a valve actuator driver;   a plurality of mounting posts extending from the second surface, wherein the plurality of mounting posts are configured to engage apertures of a thermal riser; and   a first set of apertures configured to engage the valve actuator and a second set of apertures configured to engage a different valve actuator.   
     
     
         2 . The mounting adaptor of  claim 1 , wherein the plurality of mounting posts are further configured to engage apertures of a valve attachment pad. 
     
     
         3 . The mounting adaptor of  claim 2 , wherein there are three or more mounting posts. 
     
     
         4 . The mounting adaptor of  claim 1 , wherein the mounting posts are located equidistant to a point within the driver aperture. 
     
     
         5 . The mounting adaptor of  claim 1 , wherein the driver aperture has a first diameter at the first surface and a second diameter at the second surface, wherein the second diameter is smaller than the first diameter. 
     
     
         6 . The mounting adaptor of  claim 5 , further comprising:
 an annular surface between the first surface and the second surface, the annular surface having the first diameter as an outer diameter and the second diameter as an inner diameter.   
     
     
         7 . The mounting adaptor of  claim 1 , wherein the first and second sets of apertures extend from the first surface into the mounting adaptor and are configured to receive mounting fasteners to secure the mounting adaptor to various valve actuators. 
     
     
         8 . The mounting adaptor of  claim 1 , wherein the plurality of mounting posts are generally cylindrical in shape. 
     
     
         9 . A valve assembly comprising:
 a valve actuator having a driver;   a drive shaft coupled to the driver;   a valve having a valve control and a mounting pad, wherein the valve control is coupled to the drive shaft;   a thermal riser configured to be coupled to the mounting pad of the valve, the thermal riser having a shaft aperture configured to receive the drive shaft and a plurality of apertures in a surface of the thermal riser; and   a mounting adaptor configured to be coupled to the valve actuator and the thermal riser, the mounting adaptor having a driver aperture configured to receive the driver, the driver aperture having a first diameter at a first surface of the mounting adaptor and a second diameter at a second surface of the mounting adaptor, wherein the second diameter is smaller than the first diameter.   
     
     
         10 . The valve assembly of  claim 9 , wherein the driver comprises:
 a proximal portion having a diameter between the first diameter and the second diameter, wherein the proximal portion is received in a first portion of the driver aperture having the first diameter; and   a distal portion having a diameter smaller than the second diameter, wherein the distal portion is received in a second portion of the driver aperture having the second diameter.   
     
     
         11 . The valve assembly of  claim 9 , wherein the mounting adaptor comprises an annular surface between the first surface and the second surface, the annular surface having the first diameter as an outer diameter and the second diameter as an inner diameter. 
     
     
         12 . The valve assembly of  claim 9 , wherein the driver comprises a surface configured to contact the annular surface when the driver is received in the driver aperture. 
     
     
         13 . The valve assembly of  claim 9 , wherein the mounting adaptor further comprises a plurality of mounting posts extending from a surface of the adaptor, the plurality of mounting posts configured to engage apertures of the thermal riser. 
     
     
         14 . The valve assembly of  claim 13 , wherein the mounting posts are located equidistant to a point within the driver aperture. 
     
     
         15 . The valve assembly of  claim 9 , wherein the mounting adaptor comprises a first set of apertures configured to engage the valve actuator and a second set of apertures configured to engage a different valve actuator. 
     
     
         16 . The valve assembly of  claim 9 , wherein the driver comprises a first set of grooves configured to engage the valve actuator and a second set of grooves configured to engage a different valve actuator. 
     
     
         17 . The valve assembly of  claim 9 , wherein the mounting adaptor is configured to be removable and the valve actuator is configured to be coupled directly to the thermal riser when the mounting adaptor is removed. 
     
     
         18 . A valve assembly comprising:
 a valve actuator having a driver;   a valve having a valve control and a mounting pad, wherein the valve control is coupled to the driver; and   a mounting adaptor configured to be coupled to the valve actuator and to the mounting pad, the mounting adaptor comprising a driver aperture, a first set of apertures configured to engage the valve actuator, and a second set of apertures configured to engage a different valve actuator.   
     
     
         19 . The valve assembly of  claim 18 , wherein the mounting pad has a plurality of openings and the mounting adaptor has plurality of mounting posts configured to engage the plurality of openings of the mounting pad. 
     
     
         20 . The valve assembly of  claim 18 , further comprising a removable thermal riser configured to be inserted between the mounting adaptor and the mounting pad;
 wherein the mounting adaptor is configured to be coupled to the thermal riser when the thermal riser is inserted between the mounting adaptor and the mounting pad; and   wherein the mounting adaptor is configured to be coupled directly to the mounting pad when the thermal riser is removed.