The rod-type preventer ensures wellhead sealing and safety during the maintenance of oil and gas wells.  
 

Application:  

The rod blowout preventer is used to seal the wellhead of oil and gas wells during repair and geophysical operations to prevent and eliminate oil, gas, and water influxes (blowouts), ensuring safety, subsurface protection, and environmental preservation. 
 

Main Technical Parameters:

• Well medium: oil, gas, gas condensate with mechanical impurities up to 25 mg/l, formation water up to 80% by volume

• Corrosion-resistant design: non-corrosion-resistant or resistant types K1, K2, K3 (per GOST 13846-89) or AA, BB, CC, DD-NL, ENL, FF-NL, NL (per API Spec 6A)
   
• Manufacturing technical level per GOST / API safety level: UT1, UT2, UT3, UT4 / PSL1, PSL2, PSL3, PSL3G, PSL4
   

• Performance technical level per GOST / API: UTR1, UTR2

• API temperature classes: K, L, P, R, S, T, U