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Betts and Girard Pressure and Vacuum Vents for DOT 307/407/412 Service, Mounting Gaskes and Repair Kits. Please see downloadable files with ordering info, parts and dimension information.

Note - All products listed have standard PTFE elastomers. Betts Seal Kits do not include mounting gaskets.

Betts Chem Vent Trio
Unit of Measure
1 2 3 

Item #

Item Name

Mounting

Pressure

Betts #

Girard #

Price

RVV3ST N/A Vacuum Relief Vent With Ports 3" N/A Swivel Nut N/A N/A RVV3ST N/A 3X407MVBTT $671.46
RVV4ST N/A Vacuum Relief Vent With Ports 4" N/A Swivel Nut N/A N/A RVV4ST N/A 407MVBLTT $743.43
GIRVSK-8 N/A Replacement Seat and Oring N/A N/A N/A N/A $162.74
GIRVSK-8V N/A Replacement Seat and Oring N/A N/A N/A N/A $207.54
3X407MVBTT N/A Vacuum Breaker With Ports 3" N/A Swivel Nut N/A N/A RVV3ST N/A 3X407MVBTT $887.04
3X407MVBUT N/A Ultra-Low Vacuum Breaker No Ports 3" N/A Swivel Nut N/A N/A N/A 3X407MVBUT $772.64
MC307BTWV N/A Pressure Relief/Vacuum Combo Vent With Ports 3" N/A Swivel Nut N/A 25 psi N/A RVC3ST-25 N/A MC307BTWV $1,047.20
MC307BT N/A Pressure Relief Vent With Ports 3" N/A Swivel Nut N/A 25 psi N/A RVP3ST-25 N/A MC307BT $995.28
MC307BT1 N/A Pressure Relief Vent With Ports 3" N/A Swivel Nut N/A 30 psi N/A RVP3ST-30 N/A MC307BT1 $995.28
DOT3X407T N/A Pressure Relief Vent No Ports 3" N/A NPSF N/A 25 psi N/A RVP3NT-25 N/A DOT3X407T $1,188.88
DOT407LT N/A Pressure Relief Vent No Ports 4" N/A N/A 25 psi N/A RVP4NT-25 N/A DOT407LT $1,188.88
DOT407LT1 N/A Pressure Relief Vent No Ports 4" N/A NPSF N/A 30 psi N/A RVP4NT-30 N/A DOT407LT1 $1,188.88
DOT407LT2 N/A Pressure Relief Vent No Ports 4" N/A NPSF N/A 35 psi N/A RVP4NT-35 N/A DOT407LT2 $1,188.88
MC307BT2 N/A Pressure Relief Vent With Ports 3" N/A Swivel Nut N/A 35 psi N/A RVP3ST-35 N/A MC307BT2 $995.28
BETRGA401TF N/A TTMA PTFE Full Face Gasket N/A N/A N/A N/A $5.06
BETRGA401VB N/A TTMA Viton-B® Full Face Gasket N/A N/A N/A N/A $19.64
PIFG3TEFF N/A ANSI PTFE Full Face Gasket N/A N/A N/A N/A $9.48
PIFG4TEFF N/A ANSI PTFE Full Face Gasket N/A N/A N/A N/A $9.53
GIR3TR N/A 3" Teflon® Ring Gasket N/A N/A N/A N/A $1.30
GIR4TR N/A 4" Teflon® Ring Gasket N/A N/A N/A N/A $2.88
Unit of Measure
1 2 3