Spears BWV-3-0410 Manual De Instrucciones

BACKWATER VALVE
Installation Instructions
available in 12", 24" 36" & 48", or can be custom ordered to a specifi ed
length. Spears Backwater Valves are designed for direct solvent
®
cement weld connection to ASTM D 2665 PVC DWV or other IPS size
pipe. Spears IPS x Sewer Adapters are available for connection to
®
ASTM 3034 sewer pipe.
Valve
(1)
(2)
(3)
(1) Access Plug
(2) Flapper
(3) Valve Body
(4) Riser Pipe
(5) Riser Coupling
(6) Threaded Tee Handle
(7) Lock Ring
(8) 3/4" Threaded Coupling
(9) Internal Extension Pipe
(10) Threaded Adapter
Read all applicable instructions and procedures thoroughly before
starting. Suitability of the intended service application must be
determined prior to installation. Plastic piping systems must be
engineered, installed, operated and maintained in accordance with
accepted standards and procedures for plastic piping systems. It
is absolutely necessary that all design, installation, operation and
maintenance personnel be trained in proper handling, installation
requirements and precautions for installation and use of plastic
piping systems.
BWV-3-0410
Features
Spears Backwater
®
feature an easily replaceable
internal fl ap assembly. Pre-
assembled and Kit form Service-
Access Extension Kits for buried
or diffi cult to service valves are
Extension Kit
(6)
(7)
(8)
(9)
(2)
1
Backwater Valves are designed to prevent back-
fl ow in numerous applications where easy service
access for maintenance and cleaning is needed.
Applicable when top of
Valves
upper manhole is higher
than the lowest plumbing
drain in the building.
Upper
Manhole
Public Sewer Public Sewer
TYPICAL SITUATION WHERE A BACKATER VALVE IS NECESSARY.
(1)
(10)
Up to 100 feet
(30.49 meters)
Differential
(4)
Spears
(5)
100 Ft. of Head (43 psi @ 73° F [ 23° C ] ) for use
in balancing multilevel systems such as tank
(3)
Typical tank
balancing
for industrial
and agricultural
applications.
Typical Applications
Spears
BackWater
Valve
Owner's
Drain Line
Obstruction Obstruction
Typical multi-level
pond balancing
for Aquascape
applications.
Backwater Valve is additionally rated to
®
storage and ponds.
(Water Level in Tank)
Up to 100 feet
(30.49 meters)
Differential
2
Lowest
plumbing
drain in
building
(bathtub,
shower,
floor drains,
®
etc.).
Lower
Manhole