Blow-Off Size

1 in
1 in NPT
1-1/2 in
1-1/2 in NPT
1-1/4 in
1-1/4 in NPT
1-11-1/2
1/2 in
1/2 in NPT
1/2-14
1/4 in
1/4 in NPT
1/4-18
2 in
2 in NPT
2.38 in
3-1/2 in
3/4 in
3/4 in NPT
3/8 in
3/8 in NPT
3/8-18
4-1/4 in