Technical Specifications

DWV BACKWATER VALVE
869 SERIES
ITEM # SUBMITTED
JOB NAME
LOCATION
ENGINEER
CONTRACTOR
PO# TAG
SPECIFICATION
Sioux Chief 869 series ProCheck backwater valves shall be used where necessary
in drainage systems. Backwater valve shall be installed in horizontal drainage lines
to reduce or prevent damage to dwelling from sewage backup. Backwater valve
shall have a stepped design to provide adequate fall through the valve body and
encourage fl ow. Flapper shall install into valve body via removable carrier, which
utilizes key-to-slot fi t to ensure proper alignment. Flapper shall have a permanent,
one-piece sealing surface, and allow unrestricted, unidirectional fl ow. Valve body
shall be sealed by an impact/solvent resistant lid with o-ring. Backwater valve
shall be adaptable to either shallow or deep-bury installations and be designed in
accordance with ASME A112.14.1-2003
MATERIALS
valve body: ABS or PVC
sealing lid: polypropylene
carrier: ABS
fl apper: elastomer overmolded polypropylene
extension sleeve (optioinal): 8" SDR 35 PVC
extension sleeve collar/lid (optional): ABS
CONNECTION TYPE
Sch. 40 hub, solvent weld
BACKFLOW PRESSURE
Sustains backfl ow up to 10 psi
DIMENSIONS
connection 3" Sch. 40 Hub 4" Sch. 40 Hub
A: overall height (in) 5
7
⁄16 " 6
9
⁄16 "
B: overall height (out) 5¾" 6⅞"
C: overall width 8½" 10⅛"
D: vertical offset
5
⁄16 "
E: top diameter 7½"
F: access sleeve 16"
Sioux Chief Manufacturing Company │ P: 1.800.821.3944 │ F: 1.800.758.5950 │ www.siouxchief.com
2-13
ProCheck
™
869-S4P
D
C
E
B
A
F
869- A B C
e.g. 869-S3PS: 3" PVC ProCheck backwater valve with shallow access sleeve kit
Create Item Number
A CONNECTION
S3 3" Sch. 40 Hub
S4 4" Sch. 40 Hub
B MATERIAL
A ABS
P PVC
C ACCESS SLEEVE
S Shallow access sleeve with
collar & lid included
— none