Flowable stock sampling apparatus

1. A combination, comprising:

a container; and

a coupling configured to receive the container;

wherein the coupling comprises a unitary body having a first side and an opposing second side, the first side comprising a first orifice and a second orifice, the second side comprising a third orifice;

wherein the first orifice is disposed in flow-through communication with the third orifice from the first side to the second side, and the third orifice is disposed in flow-through communication with the second orifice from the second side to the first side;

wherein a first flow path through the first orifice is disposed parallel with a second flow path through the third orifice, and a third flow path through the third orifice is disposed parallel with a fourth flow path through the second orifice, and

wherein the first orifice, the second orifice, and the third orifice, each comprise a threaded inner surface.

2. The combination of claim 1 , wherein:

the first flow path through the first orifice is disposed parallel with the fourth flow path through the second orifice.

3. The combination of claim 1 , wherein:

the first flow path through the first orifice is disposed in a straight line arrangement with the second flow path through the third orifice, and the third flow path through the third orifice is disposed in a straight line arrangement with the fourth flow path through the second orifice.

4. The combination of claim 1 , wherein:

the first flow path through the first orifice adjoins the second flow path through the third orifice, and the third flow path through the third orifice adjoins the fourth flow path through the second orifice.

5. The combination of claim 1 , wherein:

the first flow path through the first orifice adjoins the second flow path through the third orifice in a continuous uninterrupted manner, and the third flow path through the third orifice adjoins the fourth flow path through the second orifice in a continuous uninterrupted manner.

6. The combination of claim 1 , wherein:

the first orifice overlaps the third orifice to provide an uninterrupted straight line flow path through both the first and third orifices from the first side to the second side; and

the second orifice overlaps the third orifice to provide an uninterrupted straight line flow path through both the third and second orifices from the second side to the first side.

7. The combination of claim 6 , wherein:

an area of overlap between the first orifice and the third orifice is equal to or greater than 25 percent; and

an area of overlap between the second orifice and the third orifice is equal to or greater than 25 percent.

8. The combination of claim 1 , wherein:

the unitary body comprises material having seamless continuity from the first side to the second side.

9. The combination of claim 1 , wherein:

the container comprises a neck having threads, the threads of the third orifice being configured to threadably receive the threads of the neck of the container.

10. The combination of claim 1 , wherein:

each of the threads of the first and second orifices are NPT tapered threads.

11. A coupling, comprising:

a unitary body having a first side and an opposing second side, the first side comprising a first orifice and a second orifice, the second side comprising a third orifice;

wherein the first orifice is disposed in flow-through communication with the third orifice from the first side to the second side, and the third orifice is disposed in flow-through communication with the second orifice from the second side to the first side;

wherein a first flow path through the first orifice is disposed parallel with a second flow path through the third orifice, and a third flow path through the third orifice is disposed parallel with a fourth flow path through the second orifice, and

wherein the first orifice, the second orifice, and the third orifice, each comprise a threaded inner surface.

12. The coupling of claim 11 , wherein:

the first orifice overlaps the third orifice to provide an uninterrupted straight line flow path through both the first and third orifices from the first side to the second side; and

the second orifice overlaps the third orifice to provide an uninterrupted straight line flow path through both the third and second orifices from the second side to the first side.

13. The coupling of claim 12 , wherein:

an area of overlap between the first orifice and the third orifice is equal to or greater than 25 percent; and

an area of overlap between the second orifice and the third orifice is equal to or greater than 25 percent.

14. The coupling of claim 11 , wherein:

each of the threads of the first and second orifices are NPT tapered threads.

15. A combination, comprising:

a shut off valve; and

a coupling configured to receive the shut off valve;

wherein the coupling comprises a unitary body having a first side and an opposing second side, the first side comprising a first orifice and a second orifice, the second side comprising a third orifice;

wherein the first orifice is disposed in flow-through communication with the third orifice from the first side to the second side, and the third orifice is disposed in flow-through communication with the second orifice from the second side to the first side;

wherein a first flow path through the first orifice is disposed parallel with a second flow path through the third orifice, and a third flow path through the third orifice is disposed parallel with a fourth flow path through the second orifice, and

wherein the first orifice, the second orifice, and the third orifice, each comprise a threaded inner surface.

16. The combination of claim 15 , wherein the shut off valve comprises:

a housing having an inlet port and an outlet port;

a piston actuatable within the housing to prevent flow communication from the inlet port to the outlet port when in a closed position, and to allow flow communication from the inlet port to the outlet port when in an open position;

wherein when the piston is in the closed position, a first end of the piston is disposed proximate the inlet port, and wherein when the piston is in the open position, the first end of the piston is disposed to fully expose the outlet port; and

wherein the outlet port of the shut off valve is configured to be detachably coupled to the first orifice of the coupling.

17. A combination, comprising:

a shut off valve;

a container; and

a coupling configured to receive both the shut off valve and the container;

wherein the coupling comprises a unitary body having a first side and an opposing second side, the first side comprising a first orifice and a second orifice, the second side comprising a third orifice;

wherein the first orifice is disposed in flow-through communication with the third orifice from the first side to the second side, and the third orifice is disposed in flow-through communication with the second orifice from the second side to the first side;

wherein a first flow path through the first orifice is disposed parallel with a second flow path through the third orifice, and a third flow path through the third orifice is disposed parallel with a fourth flow path through the second orifice, and

wherein the first orifice, the second orifice, and the third orifice, each comprise a threaded inner surface.

18. The combination of claim 17 , wherein the shut off valve comprises:

a housing having an inlet port and an outlet port;

a piston actuatable within the housing to prevent flow communication from the inlet port to the outlet port when in a closed position, and to allow flow communication from the inlet port to the outlet port when in an open position;

wherein when the piston is in the closed position, a first end of the piston is disposed proximate the inlet port, and wherein when the piston is in the open position, the first end of the piston is disposed to fully expose the outlet port;

wherein the outlet port of the shut off valve is configured to be detachably coupled to the first orifice of the coupling; and

wherein the container is configured to be detachably coupled to the third orifice of the coupling.