A device for connecting a pump body to a pipe of a hydraulic system, which comprises a planar flange having a thread on the inside diameter for its coupling to a tubular intake portion or delivery portion of the pump body, which is threaded complementarily on its outside diameter.

A retainer includes an annular gasket retaining portion for retaining a gasket therein and an annular coupling member retaining portion which has an inner diameter greater than that of the gasket retaining portion and retains one coupling member. At an inner circumference of the gasket retaining portion and an inner circumference of the coupling member retaining portion are formed annular grooves, respectively, for holding therein elastic rings, respectively.

An annular ductile iron flange of nominal size has a non-threaded inner longitudinal surface defining an inner diameter that exceeds the outer diameter of a corresponding length of hubless ductile iron pipe of nominal thickness. The flange also has a basal surface with both a plurality of evenly spaced bolt holes and an annular counterbore adjacent to the inner longitudinal surface. The counterbore has a longitudinal depth slightly larger than the nominal thickness and a radial depth slightly larger than twice the nominal thickness. The flange is coupled to, and configured to rotate longitudinally around, the length of pipe. The bell end of the pipe is machined to an annular stub configured to recess into the counterbore. A threaded annular ductile-iron flange may be screwed onto the spigot end of the pipe.

A flange clamp is provided for coupling a fluid connector to a bulkhead plate of a bulkhead assembly. The flange clamp includes a clamp body having an inner surface configured to engage with the fluid connector, and a plurality of openings formed in the clamp body. The plurality of openings includes at least a first opening, a second opening, and a third opening. At least one extended body portion is integrally formed at an outer periphery of the clamp body. A retaining portion is formed with the at least one extended body portion and projects away therefrom. The retaining portion is configured to be disposed within an opening formed in the bulkhead plate, where the retaining portion is configured to selectively maintain an orientation of the clamp body on the bulkhead plate.

A device includes a spacer pipe, a box including first and second ends and an internal passage, and a pin including an annular outer shoulder. The first end of the box is connected to the spacer pipe, and the second end of the box is configured to receive a first end of the pin in an adjustable configuration. The device also includes a lock down ring configured to secure the first end of the pin received in the second end of the box.

A block fitting assembly comprises a first block having a first opening formed therethrough, a sealing element, and a tube. The tube includes a linearly extending first segment extending through the first opening of the first block and a linearly extending second segment arranged at an angle relative to the first segment. A bend portion of the tube connects the first segment to the second segment. An end portion of the first segment of the tube forms a seal engaging surface of the tube for engaging the sealing element. The end portion of the first segment of the tube further defines at least a portion of the projecting portion of the first block configured for reception in a recess of a corresponding second block.