High Pressure Stopper

 

Designed for pressure testing up to 5,000 PSI. Special “twin Cone” grips provide 100% contact with the pipe wall and minimize tube wall contact.

COB Advantages

  • Schedule 40, 80, 160 and special sizes available.
  • Easy installation and removal.
  • Case hardened steel – cadmium plated

Note: Small bore model for 0480″ to 1.125″ inside diameter

Schedule 40 Schedule 80 Schedule 160 Normal Size Maximum Operating Pressure Stem Diameter Unit Weight
Item Number Item Number Item Number (IPS) (PSIG) Inches (LBS)
0400.50 0800.50 1600.50 0.50″ 5000 0.500 0.5
0400.75 0800.75 1600.75 0.75″ 5000 0.500 0.5
0401.00 0801.00 1601.00 1.00″ 5000 0.500 0.5
0401.25 0801.25 1601.25 1.25″ 5000 0.625 1.0
0401.50 0801.50 1601.50 1.50″ 4000 0.875 2.0
0402.00 0802.00 1602.00 2.00″ 4000 0.875 3.0
0402.50 0802.50 1602.50 2.50″ 4000 0.875 4.0
0403.00 0803.00 1603.00 3.00″ 3500 1.250 5.0
0403.50 0803.50 1603.50 3.50″ 3500 1.250 7.0
0404.00 0804.00 0404.00 4.00″ 3000 1.250 8.0
0406.00 0806.00 1606.00 6.00″ 2000 1.500 21.0
0408.00 0808.00 1608.00 8.00″ 1500 1.500 32.0