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202-264 Legend Valve S-641 4" PVC Backwater Valve with Sleeve
SKU S641-4
Sale
Original price
$76.24
Original price
$76.24
-
Original price
$76.24
Original price
$76.24
Current price
$63.53
$63.53
-
$63.53
Current price
$63.53
Availability:
13 in stock, ready to be shipped
4" S-641 PVC Backwater Valve with 16AC. Sleeve.
The stepped body design places the inlet socket-end higher than the outlet, promoting the correct drop-per-foot and improving flow efficiency.
Heavy-duty Acme-threaded access lid can be removed using the end of a dimensional 2” x 4” board of correct length, to ease clean-out or repair.**
Lid and flapper are equipped with an O-ring or gasket seal, assuring a positive seal-out of sewer gasses.
Designed for horizontally-installed, low-or-no pressure gravity-flow DWV systems only. Not suitable for upward-flow vertical installations or pressurized systems.
Model S-641 includes a 16” access sleeve with cap and is available in nominal pipe sizes 2”, 3” and 4”.
**Nominal sizes 3”, 4” & 6” only.
Working Pressure, Non Shock (PSI)
- 4.3 psi (10 ft. of head) operating pressure
- 25 psi max test pressure
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Features
Specifications
- Size: 4"
- Weight: 7.6 lbs