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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

RVP4WT-30 N/A Pressue Relief Vent 4" N/A Weld Stub N/A 30 psi N/A RVP4WT-30 N/A DOT407LW1 $983.74
RVPL3AT-35 N/A Pressue Relief Vent PTFE Lined 3" N/A ANSI Flange N/A 35 psi N/A RVPL3AT-35 N/A DOT3X407AFTL2 $1,658.64
RVPL4AT-25 N/A Pressue Relief Vent PTFE Lined 4" N/A ANSI Flange N/A 25 psi N/A RVPL4AT-25 N/A DOT407LAFTL $1,658.64
RVPL4AT-35 N/A Pressue Relief Vent PTFE Lined 4" N/A ANSI Flange N/A 35 psi N/A RVPL4AT-35 N/A DOT407LAFTL2 $1,658.64
RVC3AT-25 N/A Pressue Relief/Vacuum Combo Vent 3" N/A ANSI Flange N/A 25 psi N/A RVC3AT-25 N/A DOT3X407AFWV $1,583.91
RVC3AT-30 N/A Pressue Relief/Vacuum Combo Vent 3" N/A ANSI Flange N/A 30 psi N/A RVC3AT-30 N/A DOT3X407AFWV1 $1,583.91
RVC3AT-35 N/A Pressue Relief/Vacuum Combo Vent 3" N/A ANSI Flange N/A 35 psi N/A RVC3AT-35 N/A DOT3X407AFWV2 $1,583.91
RVC3NT-25 N/A Pressue Relief/Vacuum Combo Vent 3" N/A NPSF Pipe Thread N/A 25 psi N/A RVC3NT-25 N/A DOT3X407TWV $1,091.16
RVC3NT-30 N/A Pressue Relief/Vacuum Combo Vent 3" N/A NPSF Pipe Thread N/A 30 psi N/A RVC3NT-30 N/A DOT3X407TWV1 $1,091.16
RVC3NT-35 N/A Pressue Relief/Vacuum Combo Vent 3" N/A NPSF Pipe Thread N/A 35 psi N/A RVC3NT-35 N/A DOT3X407TWV2 $1,091.16
RVC3ST-25 N/A Pressue Relief/Vacuum Combo Vent With Ports 3" N/A Swivel Nut N/A 25 psi N/A RVC3ST-25 N/A DOT3X407TWV-SVL $1,517.04
RVC3ST-30 N/A Pressue Relief/Vacuum Combo Vent With Ports 3" N/A Swivel Nut N/A 30 psi N/A RVC3ST-30 N/A DOT3X407TWV1-SVL $1,517.04
RVC3ST-35 N/A Pressue Relief/Vacuum Combo Vent With Ports 3" N/A Swivel Nut N/A 35 psi N/A RVC3ST-35 N/A DOT3X407TWV2-SVL $1,517.04
RVC4AT-25 N/A Pressue Relief/Vacuum Combo Vent 4" N/A ANSI Flange N/A 25 psi N/A RVC4AT-25 N/A DOT407LAFWV $1,450.31
RVC4AT-30 N/A Pressue Relief/Vacuum Combo Vent 4" N/A ANSI Flange N/A 30 psi N/A RVC4AT-30 N/A DOT407LAFWV1 $1,450.31
RVC4AT-35 N/A Pressue Relief/Vacuum Combo Vent 4" N/A ANSI Flange N/A 35 psi N/A RVC4AT-35 N/A DOT407LAFWV2 $1,450.31
RVC4FT-25 N/A Pressue Relief/Vacuum Combo Vent 4" N/A TTMA Flange N/A 25 psi N/A RVC4FT-25 N/A DOT407LFWV $1,521.71
RVC4FT-30 N/A Pressue Relief/Vacuum Combo Vent 4" N/A TTMA Flange N/A 30 psi N/A RVC4FT-30 N/A DOT407LFWV1 $1,521.71
RVC4FT-35 N/A Pressue Relief/Vacuum Combo Vent 4" N/A TTMA Flange N/A 35 psi N/A RVC4FT-35 N/A DOT407LFWV2 $1,521.71
RVC4NT-25 N/A Pressue Relief/Vacuum Combo Vent 4" N/A NPSF Pipe Thread N/A 25 psi N/A RVC4NT-25 N/A DOT407LTWV $1,120.16
RVC4NT-30 N/A Pressue Relief/Vacuum Combo Vent 4" N/A NPSF Pipe Thread N/A 30 psi N/A RVC4NT-30 N/A DOT407LTWV1 $1,120.16
RVC4NT-35 N/A Pressue Relief/Vacuum Combo Vent 4" N/A NPSF Pipe Thread N/A 35 psi N/A RVC4NT-35 N/A DOT407LTWV2 $1,120.16
RVC4ST-25 N/A Pressue Relief/Vacuum Combo Vent With Ports 4" N/A Swivel Nut N/A 25 psi N/A RVC4ST-25 N/A DOT407LTWV-SVL $1,544.03
RVC4ST-30 N/A Pressue Relief/Vacuum Combo Vent With Ports 4" N/A Swivel Nut N/A 30 psi N/A RVC4ST-30 N/A DOT407LTWV1-SVL $1,544.03
RVC4ST-35 N/A Pressue Relief/Vacuum Combo Vent With Ports 4" N/A Swivel Nut N/A 35 psi N/A RVC4ST-35 N/A DOT407LTWV2-SVL $1,544.03
Unit of Measure
1 2 3