Foam ratio controller (Foam proportioner)

Category Foam proportioner

Certificate: UL Listed / FM Approved
Standard: NFPA 11, UL 162, EN 13565, GB 20031
Connection: Grooved, wafer, or flanged ANSI B16.1 Class 125
Temperature: 1.7°C to 49°C
W. pressure: 30 ~ 175 psi
Surface: Rough bronze, shotblasted SS, etc.

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Product Details

Foam ratio controller is a modified venturi foam proportioner used to accurately meter foam concentrate into the firefighting water stream. It operates in conjunction with bladder tank or balanced pressure proportioning pump skid.

Available size (Source 1 with UL/FM)

Size	Foam concentrate inlet	Material	Working pressure (psi)	Ref. No.
2″ GRV	1-1/2″ GRV	Bronze	30 ~ 175	B0601 (UL/FM)
2-1/2″ GRV	1-1/2″ GRV	Bronze	30 ~ 175	B0602 (UL/FM)
3″ GRV	1-1/2″ GRV	Bronze	30 ~ 175	B0603 (UL/FM)
4″ GRV	2″ GRV	Bronze	30 ~ 175	B0604 (UL/FM)
6″ GRV	2″ GRV	Bronze	30 ~ 175	B0605 (UL/FM)
8″ GRV	2-1/2″ GRV	Bronze	30 ~ 175	B0606 (UL/FM)
3″ FLG	1-1/2″ THD	Bronze	30 ~ 175	B0607 (UL/FM)
4″ FLG	2″ THD	Bronze	30 ~ 175	B0608 (UL/FM)
6″ FLG	2″ THD	Bronze	30 ~ 175	B0609 (UL/FM)
8″ FLG	2-1/2″ THD	Bronze	30 ~ 175	B0610 (UL/FM)

Note: Ratio controller is UL and FM when used with specific bladder tank, foam discharge device, and foam concentrate.

Available size (Source 2 with UL/FM)

Size	Foam concentrate inlet	Material	Working pressure (psi)	Ref. No.
2-1/2″ Wafer	1″ THD	Bronze / SS	30 ~ 175	B0621 (UL/FM)
3″ Wafer	1-1/2″ THD	Bronze / SS	30 ~ 175	B0622 (UL/FM)
4″ Wafer	1-1/2″ THD	Bronze / SS	30 ~ 175	B0623 (UL/FM)
6″ Wafer	2″ THD	Bronze / SS	30 ~ 175	B0624 (UL/FM)
8″ Wafer	2-1/2″ THD	Bronze / SS	30 ~ 175	B0625 (UL)
2-1/2″ FLG	1″ THD	Bronze / SS	30 ~ 175	B0626 (UL/FM)
3″ FLG	1-1/2″ THD	Bronze / SS	30 ~ 175	B0627 (UL/FM)
4″ FLG	1-1/2″ THD	Bronze / SS	30 ~ 175	B0628 (UL/FM)
6″ FLG	2″ THD	Bronze / SS	30 ~ 175	B0629 (UL/FM)
8″ FLG	2-1/2″ THD	Bronze / SS	30 ~ 175	B0630 (UL)

Note: Ratio controller is UL and FM when used with specific bladder tank, foam discharge device, and foam concentrate.

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