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Fire Protection Butterfly Valves

VBFG •Butterfly Valve with Tamper Switch -Grooved Ends, UL/FM
VBFG 300 Psi
VBFG 175Psi


U.L. Listed / F.M. Approved
Working Press. : 300 psi, & 175 Psi
Max.Test Press. : 600 psi & 350 Psi
Working Temp. : 250*F (120*C)
Factory Installed UL Approved Tamper Switch.
Body Ductile Iron, Nylon-11 Coated.
Disc AL-Bronze, Ductile Iron, EPDM Encapsulated
Stem Stainless Steel, Hardened & Tempered
Sizes: 2½", 3", 4", 6" & 8"

Tamper switch wiring Dia

Data Sheets: VBFG175 Psi, VBFG300Psi

html Sheet: Installation, VBFG175 Psi


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Data Sheet Data Sheet, html Sheet
VBFW •Butterfly Valve with Tamper Switch -Wafer Style, UL/FM
VBFW 300 Psi
VBFW 175Psi


U.L. Listed / F.M. Approved
Working Press. : 300 psi, & 175 Psi
Max.Test Press. : 600 psi & 350 Psi
Working Temp. : 250*F (120*C)
Factory Installed UL Approved Tamper Switch.
Ductile Iron, EPDM Encapsulated.
Disc ASTM B584 or B-148 Nickel Chrome Plated
Stem Stainless Steel, Hardened & Tempered
Sizes: 2½", 3", 4", 6" & 8"

Tamper switch wiring Dia

Data Sheets: VBFW175 Psi, VBFW300Psi

html Sheet: Installation, VBFW175 Psi


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Click image to enlarge
Data Sheet Data Sheet, html Sheet
VBBT •Bronze Butterfly Valve with Tamper Switch -Threaded Ends, UL/FM
VBBG •Bronze Butterfly Valve with Tamper Switch -Grooved Ends, UL/FM
VBBT 175 Psi
VBBG 175Psi


U.L. Listed / F.M. Approved
Working Press. : 175 psi, Max.Test Press. : 350 psi
Working Temp. : 250*F (120*C)
Installed UL Approved Dual Tamper Switch. for "Indoor use only
Body : Brass, Bronze
Disc : Brass, Ductile Iron, EPDM Encapsulated., Stem: Stainless Steel
Sizes: 1", 1¼", 1½", 2" & 2½" in Model VBBT (Threaded Ends)
Sizes: 2" & 2½" in Model VBBG (Grooved Ends)

Tamper switch wiring Dia

Data Sheets: VBBT175 Psi, VBBG175Psi


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Data Sheet html Sheet Data Sheet html Sheet

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E-mail: nni_inc@hotmail.com
Phone: 305-687-3330
Toll Free: 1-877-NNI-FIRE (1-877-664-3473)
Fax: 815-366-8272
Copyright © 2001 NNI INC. All rights reserved.