9790 SCUPPER DRAIN, PIT DRAIN AND BACKWATER VALVES - STAINLESS STEEL AND CARBON STEEL
   

9790

   
PIT DRAIN
FUNCTION: Used at base of side walls in pits, where low elevation requires a vertical inlet grate and side outlet roughing. Unless obstructed by debris or sludge, SMITH backflow valves prevent backflow which could damage equipment in pit. Used for gravity flow, not for high flow pump applications.
 
Regularly Furnished: Variations: Optional Materials:
CF8 (Equivalent to Type 304) Rough Finish Stainless Steel Body with Secured Grate and Bronze Backwater Valve. Flashing Clamp -C
Stainless Steel Backwater Valve -SBWV
Vandal Proof Grate -U
BW Butt Weld Outlet
  (Specify Schedule -05, -10, -80)
A-27 Carbon Steel Body and Grate -A27
Cast Iron Grate -CIG
CF8M (Equivalent to Type 316) Flashing Clamp
  Stainless Steel -316

9790 Product Drawing

 

9790 Product Data

NOTE: Backwater valve flapper set at factory to hang in closed position. Pin can be moved to permit flapper to hang open 1/4" to permit air circulation.

NOTE: These valves offer protection against backwater surges. Backflow is prevented when valve is not obstructed by debris or sludge. Use for gravity flow only, not for pressurized applications.

Ordering Example: 9790S08

Fig. 9790S..............SPIGOT OUTLET

9790 Product Photo

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          Cad Drawing