Provided is a spray pot which includes: a body; a detachable inner liner arranged in the body; a closing member which is arranged at the bottom of the inner liner, is in a closed state when the body is placed uprightly and fluid is injected into the inner liner, and is in an opened state when the body is inverted and the fluid is discharged from the inner liner; clamping portions arranged at a bottom of the body and configured to fix the closing member to the body; and a cover arranged at a top of the body, connected with a spray gun, and tightly matched with both the body and the inner liner.

A device for adjusting air pressure of a spray gun, and a method for adjusting air pressure of a spray gun includes installing an air adjustment valve in a first chamber located at the rear end of a rear path of the spray gun. The spray gun is connected with a compressor and the users operates the air adjustment valve to reduce the pressure in the first chamber, and the second chamber is supplied with a pre-set pressure so as to stably provide constant pressure to the front path to proceed paint spraying task.

A liquid spray gun nozzle assembly is disclosed comprising a coating liquid inlet portion comprising a liquid connector for connection to an external liquid source; a coating liquid outlet portion comprising a liquid nozzle for spraying a coating liquid fed into the nozzle assembly through the coating liquid inlet portion, the liquid nozzle being disposed along a spray axis; a coating liquid flow path fluidly connecting the coating liquid inlet portion to the liquid nozzle; and a spray gun connection portion opposite the coating liquid outlet portion adapted to connect the liquid spray gun nozzle assembly to a compatible liquid spray gun body. The spray gun connection portion comprises a nozzle assembly sealing surface adapted to seal the liquid spray gun nozzle assembly to the compatible liquid spray gun body, the nozzle assembly sealing surface comprising first and second sealing members that are each circular and concentric with one another.

A paint cup for a spray gun has a cup part and a lid which are connected to one another so as to be sealed at an opening which is round in cross-section. According to the invention, the lid has at least one dimensionally stable wing projecting radially from the round opening, which wing is designed such that a force can be exerted on the lid via it when removing the lid in order to move the lid and cup part relative to one another.

A fluid reservoir for a spray gun, which fluid reservoir has a material outlet which is configured for the direct and/or indirect connection to a spray gun. The fluid reservoir has a ventilation device, via which air can flow into the fluid reservoir in order to ensure a pressure compensation when coating material flows out from the fluid reservoir via the material outlet. Advantageously, the ventilation device includes a device on the outside of the fluid reservoir and separately to a ventilation opening and a latching device, which device cooperates as a centering device, a retaining device and/or a guide device with the closure element.

A spray gun includes a spray gun body and an atomization hood arranged at an outlet of the spray gun body, and a pipeline is arranged in the spray gun body; the spray gun further includes a cleaning joint and a straw component that are installed on the spray gun body, the atomization hood and the cleaning joint are detachably installed at the outlet of the spray gun body, and the atomization hood and the cleaning joint are used alternately; the cleaning joint is connected with one end of the pipeline, and the straw component is correspondingly connected with the other end of the pipeline.

A fluid reservoir for a spray gun, which fluid reservoir has a material outlet configured for the direct and/or indirect connection to the spray gun. The fluid reservoir includes a material container and a cover arrangement for closing the material container in a detachable manner. An inner bag is arranged in the material container and can be filled with coating material. The fluid reservoir is configured in such a manner that it can be filled with coating material optionally with or without the inner bag and can be used for dispensing the coating material via the material outlet to the spray gun. A flow cup arrangement includes a flow cup and an inner bag. The inner bag can be used with different flow cups.

A spray gun cover is made of flashspun high-density polyethylene fibers (e.g., Tyvek), another cloth-like material, plastic, or fabric. The cover is self-sustaining, and an elastic material is disposed at openings of the cover to secure the cover at the nozzle around the nozzle opening of the spray gun cover and at the back of the spray gun around a large opening of the spray gun cover. Through the cover, the paint cup or reservoir and the spray gun are covered and protected from airborne fluid or dry particles that bounce back from the surface of the item being sprayed with paint, stain, or other fluid (overspray). Additionally, an air hose cover is also made of flashspun high-density polyethylene fibers or the like and covers and protects an air hose for a spray gun.

A spray gun cup receptacle is disclosed comprising an open end for receiving a liner within a cavity and a base end opposite the open end. The sidewall comprises two apertures through which the cavity is visible from outside the spray gun cup receptacle. The two apertures are divided one above the other by a brace member, at least a portion of which is disposed at a brace member angle a relative to the base plane. Also disclosed are improved lids for spray gun cups, and improved connections between the lid(s) and spray gun cup receptacles.

A spray gun includes first and second air outlet channel arrangements. At least one parameter, in particular pressure, volume flow and/or flow speed of air flowing through the first arrangement and at least one parameter, in particular pressure, volume flow and/or flow speed of air flowing through the second arrangement can be controlled independently of one another in an open and/or closed loop manner. The spray gun also includes a third air outlet channel arrangement and at least one parameter, in particular pressure, volume flow and/or flow speed of air flowing through the third arrangement can be controlled in an open and/or closed loop manner independently of at least one parameter of the first arrangement, and/or independently of at least one parameter of the second arrangement. Thus, three different types of air (atomisation, shaping, and transporting) can each be controlled independently providing increased flexibility in use for different painting tasks.