Made of premium materials Exchangeable with OEM products Meet or exceed API-7K

BOLU manufactures Full Open Valves & Seats and 3 / 4 Web Valves & Seats.

BOLU also supplies valve inserts and valve springs, etc.

All our valve products are exchangeable with OEM products and meet or exceed API-7K standards.

Full Open Valves & Seats

High strength alloy steel with deep carburized wear surface 

Optional bonded insert type & replaceable insert type

Excellent performance in extreme environment

Exchangeable with OEM products 

Meet or exceed API-7K standards

For more details, please feel free to tell us.

Established in 1998, Botou Bolu Petroleum Machinery Factory is a professional manufacturer & supplier of mud pumps & parts.

Bolu Petroleum can offer a full line of mud pumps & parts together with casing heads, drilling pipe join tools, TDB hydraulic profile control water plugging pump & parts , X-trees and many other oilfield drilling tools.

Bolu Petroleum has been granted the API certification. Products are exported to America ,Middle Ea

Botou Bolu Petroleum Machinery Factory

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