Coated fluid handling components and methods for protecting and extending the service life of fluid handling components

Abstract

Coating compositions for coating fluid handling components, and related methods, may include in some aspects a coating composition having a trifunctional silane, a silanol, and a filler. The coating composition may be applied to a surface of a fluid handling component that is configured to be exposed to a fluid. The coating composition may be applied to at least partially cover or coat the surface. The coating composition may be configured to chemically bond with a cured primer composition that includes an epoxy.

What is claimed is: 
     
         1 . A method for protecting a fluid handling component exposed to flow of fluid, the method comprising:
 applying a primer composition to the fluid handling component;   at least partially curing the primer composition to form a primer layer, such that the primer layer is at least partially mechanically bonded to the fluid handling component;   applying a coating composition to the primer layer; and   at least partially curing the coating composition to form a coating layer at least partially chemically bonded to the primer layer to enhance wear resistance of the fluid handling component, such that the fluid handling component exhibits a comparison factor indicative of an increased resistance to wear greater than about 2.   
     
     
         2 . The method of  claim 1 , wherein the comparison factor is indicative of a first amount of time during which a portion of the coating wears to a first depth divided by a second amount of time during which a portion of the fluid handling component without the coating wears to a second depth equal to the first depth. 
     
     
         3 . The method of  claim 1 , wherein the fluid handling component comprises at least a portion of one or more of a machine or a fluid system, and the comparison factor ranges from about 2 to about 30. 
     
     
         4 . The method of  claim 1 , wherein one or more of:
 the coating composition comprises trifunctional silane, silanol fluid, and filler;   the primer composition comprises one or more of an aliphatic amine, epichlorohydrin, a bisphenol, silane adhesion promoter, trimethoxysilane, triethoxysilane, or 3-glycidoxypropyltrimethoxysilane; or   the fluid comprises one or more of water, proppants, or thickening agents.   
     
     
         5 . The method of  claim 1 , wherein applying the coating composition comprises spraying the coating composition onto the fluid handling component via a spray head configured to atomize to coating composition as it is applied to the fluid handling component. 
     
     
         6 . The method of  claim 5 , wherein spraying the coating composition onto the fluid handling component via the spray head comprises:
 pumping the coating composition via an airless pump at an output ratio ranging from about 40:1 to about 80:1 to a spray head configured to rotate and atomize the coating composition; and   supplying air to the spray head to cause the spray head to rotate as the coating composition is atomized and sprayed from the spray head.   
     
     
         7 . The method of  claim 1 , further comprising one or more of:
 applying the coating composition to the coating layer to form a second coating layer and at least partially drying the second coating layer; or   applying the coating composition to the second coating layer to form a third coating layer and at least partially drying the third coating layer.