Description
The foam chamber is accessible for inspection and service through a removable inspection hatch which is located on top of the chamber body. Foam deflectors are available in either split (as a standard) or shallow configurations. Split-style deflectors allow for installation when the deflector location is only accessible from outside the tank (existing tank installations, etc.), but can be used elsewhere. Shallow style deflectors are useful when only a small space between the foam dam or tank rim is available and a normal deflector may come into contact with part of the floating roof. All foam chambers are supplied with standard finish, primed with red epoxy exterior coating.
LW Series Foam Chamber Models
Model | Nominal Flow | Inlet Flange | Outlet Flange |
LW-9 | 40 – 150 gpm (151 – 568 Lpm) | 2.5” | 4” |
LW-17 | 100 – 280 gpm (379 – 1,060 Lpm) | 3” | 6” |
LW-30 | 190 – 600 gpm (719 – 2,271 Lpm) | 4” | 8” |
LW55 | 400 – 1,000 gpm (1,514 – 3,785 Lpm) | 6” | 10” |
Notes:
Operational inlet pressure for foam chambers is 50 psi (3.4 bars) to 100 psi (6.9 bars). Pressures outside of that range require engineering approval.
Product Specifications
Materials of Construction | |
---|---|
Body, Maker and Flanges | Carbon Steel |
Retainer Hatch | Stainless Steel and Brass |
Orifice Plate | Stainless Steel |
Retainer, Vapor Seal | Brass |
Exploded View and Nominal Dimensions of LW Series Foam Chambers
A | B | C | D | E | F | G | H | INLET FLANGE | OUTLET FLANGE | WEIGHT | |
---|---|---|---|---|---|---|---|---|---|---|---|
LW9 | 28-1/2 | 12-1/4 | 7 | 18 | 10-1/4 | 3 | 5 | 12 | 2-1/2″ 150 LB | 4″ 150 LB | 80 LBS |
LW17 | 32 | 15-1/2 | 9 | 19-1/2 | 12-1/2 | 4-3/4 | 5 | 18 | 3″ 150 LB | 6″ 150 LB | 130 LBS |
LW30 | 34-1/4 | 17-3/4 | 10 | 20-1/2 | 13-3/4 | 6 | 9 | 24 | 4″ 150 LB | 8″ 150 LB | 200 LBS |
LW55 | 42 | 21 | 12 | 25 | 16-3/4 | 6-3/4 | 12 | 30 | 6″ 150 LB | 10″ 150 LB | 350 LBS |
Notes:
1. Standard foam chambers supplied with split deflectors. Solid and shallow deflectors available upon request.
2. “H” dimensions for split and solid foam deflectors is the same.
3. 1/2″ tank wall thickness assumed for sizing threaded flange connectors stud length.
4. All dimensions in inches.
5. All dimensions are nominal.
- Product in storage tank
- Tank configuration
- Tank diameter
- Full surface or seal protection
- Height of foam dam (seal protection)
LW Series Foam Chamber Accessories
Part Number | Description |
10667 | LW-9 foam chamber outlet mounting flange assembly, kit |
14996 | No-blow vapor seal kit for LW-9, stainless steel |
10699 | LW-17 foam chamber outlet mounting flange assembly, kit |
14997 | No-blow vapor seal kit for LW-17, stainless steel |
10704 | LW-30 foam chamber outlet mounting flange assembly, kit |
14998 | No-blow vapor seal kit for LW-30, stainless steel |
10708 | LW-55 foam chamber outlet mounting flange assembly, kit |
14999 | No-blow vapor seal kit for LW-55, stainless steel |