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Betts Emergency Valves
Part Number Description
EV46671ALB 3" mechanical flat seat flanged
EV46398ALB 4" mechanical flat seat grooved
EV46535ALB 3" mechanical flat seat tee flanged
EV46543ALB 4" mechanical flat seat straight flanged
EV46152ALTS 3" air O-ring seat flanged
EV46455ALTS 4" air O-ring seat grooved
EV46463ALTS 4" mechanical O-ring seat straight flanged
EV46467ALTS 6" x 4" mechanical O-ring seat grooved short radius
EV46474ALTS 6" x 4.5" mechanical O-ring seat grooved long radius
Dimensions for Betts Emergency Valves
EV Dimensions All of these valves are made of cast aluminum and feature a grooved or flanged outlet. They are available with a Buna or Viton flat seat or a more product resistant Tef-O-Sil O-ring seat.
90 degree outlet
Size
"A" Dimension
"B" Dimension
3" Grooved
3.50"
6.06"
3" Flanged
3.50"
4.50"
4" Grooved
4.38"
6.25"
4" Flanged
4.38"
5.00"
Straight EV dimensions
Straight outlet
Size
"A" Dimension
3" Grooved
5.71"
3" Flanged
4.25"
4" Grooved
6.38"
4" Flanged
6.38"
Tee valve dimensions
Tee outlet
Size
"A" Dimension
"B" Dimension
3" Grooved
3.50"
5.94"
3" Fla nged
3.50"
4.50"
4" Grooved
4.38"
6.63"
4" Flanged
4.38"
5.13"

For Emco Wheaton and Knappco Emergency Valves click here.

For more information on these valves and the additional options available please contact our Sales Department.
Teflon & Viton are registered trademarks of the DuPont Corporation.