Lower initial cost compared to other valve types. Easier installation due to narrow  face to face affords lowest installed cost. Designed to fit between ANSI D-16.5  Class 150 flat faced flanges. Strong, one piece molded body design. One piece standard S.S. through shaft for positive disc rotation and support.
 

2" TVI PVC Butterfly valve

3" TVI PVC Butterfly valve

4" TVI PVC Butterfly valve

6" TVI PVC Butterfly valve

8" TVI PVC Butterfly valve

Spears innovative design departs from traditional liner-seat type valves to eliminate seat creep, reduce operating torque and provide positive seal off. Ideally suited for flow control or throttling, this high performance valve is offered with a full variety of options for greater application versatility. Valves are produced from PVC in IPS sizes 1-1/2" through 12". High Impact Polypropylene Lever Handle, Standard on 1-1/2" through 8" sizes, provides quick selection from any one of seven stop positions, with built-in lockout capability. Reversible 180° for either right or left side operation.
 

2-1/2" Spears PVC Butterfly valve, pipe flange,
with lever indexing handle

3" Spears PVC Butterfly valve, pipe flange,
with lever indexing handle

4" Spears PVC Butterfly valve, pipe flange,
with lever indexing handle

6" Spears PVC Butterfly valve, pipe flange,
with lever indexing handle

8" Spears PVC Butterfly valve, pipe flange,
with lever indexing handle

2 Piece Van Stone style with PVC ring, socket.
 

2" Schedule 80 flange, 2 piece

2-1/2" Schedule 80 flange, 2 piece

3" Schedule 80 flange, 2 piece

4" Schedule 80 flange, 2 piece

6" Schedule 80 flange, 2 piece

8" Schedule 80 flange, 2 piece