Type "H" Back Pressure Valve
Thread Plugs gage/ring gauges

1-1/4" 4 BPV 90° LH GO PLUG GAUGE 1-1/4" 4 BPV 90° LH NOGO PLUG GAUGE
1-1/2" 4 BPV 90° LH GO PLUG GAUGE 1-1/2" 4 BPV 90° LH NOGO PLUG GAUGE
1-1/2" 4 BPV 90° LH GO RING GAUGE 1-1/2" 4 BPV 90° LH NOGO RING GAUGE
2-1/32" 4 BPV 90° LH NOGO PLUG GAUGE
2-1/32" 4 BPV 90° LH GO PLUG GAUGE
2- 1/32" 4 BPV 90° LH GO RING GAUGE
2- 1/32" 4 BPV 90° LH NOGO RING GAUGE
2-31/64" 4 BPV 90° LH GO PLUG GAUGE
2-31/64" 4 BPV 90° LH GO RING GAUGE
2-31/64" 4 BPV 90° LH NOGO RING GAUGE
2-31/64" 4 BPV 90° LH NOGO PLUG GAUGE
3-1/32" 4 BPV 90° LH GO PLUG GAUGE
3-1/32" 4 BPV 90° LH GO RING GAUGE
3-1/32" 4 BPV 90° LH NOGO RING GAUGE
3-1/32" 4 BPV 90° LH NOGO PLUG GAUGE
3-17/32" 4 BPV 90° LH GO PLUG GAUGE
3-17/32" 4 BPV 90° LH GO RING GAUGE
3-17/32" 4 BPV 90° LH NOGO RING GAUGE
3-17/32" 4 BPV 90° LH NOGO PLUG GAUGE
3-63/64" 4 BPV 90° LH NOGO PLUG GAUGE
3-63/64" 4 BPV 90° LH GO RING GAUGE
3-63/64" 4 BPV 90° LH GO PLUG GAUGE
3-63/64" 4 BPV 90° LH NOGO RING GAUGE
4-21/64" 4 BPV 90° LH NOGO PLUG GAUGE
4-21/64" 4 BPV 90° LH GO RING GAUGE
4-21/64" 4 BPV 90° LH GO PLUG GAUGE
4-21/64" 4 BPV 90° LH NOGO RING GAUGE
4-3/8" 4 BPV 90° LH NOGO PLUG GAUGE
4-3/8" 4 BPV 90° LH GO RING GAUGE
4-3/8" 4 BPV 90° LH GO PLUG GAUGE
4-3/8" 4 BPV 90° LH NOGO RING GAUGE
5" 4 BPV 90° LH NOGO PLUG GAUGE
5" 4 BPV 90° LH GO RING GAUGE
5" 4 BPV 90° LH GO PLUG GAUGE
5" 4 BPV 90° LH NOGO RING GAUGE
6" 4 BPV 90° LH NOGO PLUG GAUGE
6" 4 BPV 90° LH GO RING GAUGE
6" 4 BPV 90° LH NOGO RING GAUGE
6-1/16" 2 BPV LH GO PLUG GAUGE
6-1/16" 2 BPV LH NOGO PLUG GAUGE
6" 4 BPV 90° LH GO PLUG GAUGE
6-1/8" 2 BPV 90° LH NOGO PLUG GAUGE
6-1/8" 2 BPV 90° LH GO RING GAUGE
6-1/8" 2 BPV 90° LH NOGO RING GAUGE
6-1/8" 2 BPV 90° LH GO PLUG GAUGE
6-5/16" 2 BPV 90° LH NOGO PLUG GAUGE
6-5/16" 2 BPV 90° LH GO RING GAUGE
6-5/16" 2 BPV 90° LH NOGO RING GAUGE
6-5/16" 2 BPV 90° LH GO PLUG GAUGE