Valve assembly
A valve assembly including a body having a first end, a second end, a passageway extending between the first and the second ends, and four ports defined by the body and connected to the passageway. The assembly also has a first valve member received in the passageway at an intersection of the passageway and the first port, the valve member including a tee shaped passage such that in a first position the valve member opens the passageway and the first port, in a second position closes the passageway and connects the first end to the first port, in a third position closes the passageway and connects the first port to the second end, and in a fourth position opens the passageway and closes the first port. The assembly also includes a second valve member for opening and closing the third port.
1. A valve assembly comprising:
a body including,
a first open end,
a second open end,
a passageway extending between the first and the second open ends,
a first port defined by the body and connected to the passageway,
a second port defined by the body and connected to the passageway adjacent the first port,
a third port defined by the body and connected to the passageway, and
a fourth port defined by the body and connected to the passageway;
a first valve member received in the passageway at an intersection of the passageway and the first port, the valve member including a tee shaped passage such that, in a first position the valve member opens the passageway and the first port, in a second position the valve member closes the passageway d connects the first open end to the first port, in a third position the valve member closes the passageway and connects the first port to the second open end, and in a fourth position the valve member opens the passageway and closes the first port;
a second valve member for opening and closing the third port;
an expansion tank connected to the second open end of the body of the valve;
a fill valve and backflow preventer assembly connected to the first port of the body of the valve assembly; and
an air separator connected to the first open end of the body of the valve assembly.
2. A valve assembly according to claim 1 , further comprising a pressure gage secured in the fourth port.
3. A valve assembly according to claim 1 , further comprising an annular end cap received in the first end of the body, securing the first valve member in the body.
4. A valve assembly according to claim 1 , further comprising a valve stem connected to the first valve member and extending through the second port to a distal end, and a handle connected to the distal end of the valve stem.
5. A valve assembly according to claim 1 , wherein the body is of unitary construction.
6. A valve assembly according to claim 1 , wherein the second valve member is received in housing secured in a socket formed around the third port.
7. A valve assembly comprising:
a unitary body having a first open end, a second open end, a passageway extending between the first and the second open ends, a first port defined by the body and connected to the passageway, a second port defined by the body and connected to the passageway adjacent the first port, a third port defined by the body and connected to the passageway, and a fourth port defined by the body and connected to the passageway;
a first valve member received in the passageway at an intersection of the passageway and the first and the second ports, the valve member including a tee shaped passage such that, in a first position the valve member opens the passageway and the first port, in a second position the valve member closes the passageway and connects the first open end to the first port, in a third position the valve member closes the passageway and connects the first port to the second open end, and in a fourth position the valve member opens the passageway and closes the first port;
an annular end cap received in the first end of the body, securing the first valve member in the body;
a valve stem connected to the first valve member and extending through the second port to a distal end;
a second valve member for opening and closing the third port;
a pressure gage secured in the fourth port;
an expansion tank connected to the second open end of the body of the valve;
a fill valve and backflow preventer assembly connected to the first port of the body of the valve assembly; and
an air separator connected to the first open end of the body the valve assembly.
8. A valve assembly according to claim 7 , wherein the second valve member is received in housing secured in a socket formed around the third port.
9. A valve assembly comprising:
a body having a first open end, a second open end, a passageway extending between the first and the second open ends, a first port defined by the body and connected to the passageway, a second port defined by the body and connected to the passageway adjacent the first port, a third port defined by the body and connected to the passageway, and a fourth port defined by the body and connected to the passageway;
a first valve member received in the passageway at an intersection of the passageway and the first and the second ports, the valve member including a passage such that, in a first position the valve member opens the passageway and the first port, in a second position the valve member closes the passageway and connects the first open end to the first port, in a third position the valve member closes the passageway and connects the first port to the second open end, and in a fourth position the valve member opens the passageway and closes the first port;
a valve stem connected to the first valve member and extending through the second port to a distal end;
a second valve member for opening and closing the third port;
an expansion tank connected to the second open end of the body of the valve;
a fill valve and backflow preventer assembly connected to the first port of the body of the valve assembly; and
an air separator connected to the first open end of the body of the valve assembly.
10. A valve assembly according to claim 9 , further comprising a pressure gage secured in the fourth port.
11. A valve assembly according to claim 9 , further comprising an end cap received in the first end of the body, securing the first valve member in the body.
12. A valve assembly according to claim 9 , wherein the second valve member is received in housing secured in a socket formed around the third port.
13. A valve assembly according to claim 9 , wherein the body is of unitary construction.