Comparison : Item # 30BF4H-SOG, Sour Gas Bulkhead Coupling - Pressures to 30,000 psi
Item # 30BF6H-SOG, Sour Gas Bulkhead Coupling - Pressures to 30,000 psi
Item # 30BF9H-SOG, Sour Gas Bulkhead Coupling - Pressures to 30,000 psi