It is a heavy-duty drop check valve with up to 10,000-PSI WP.
OD 3 3/8 thru 9 1/2 inch

WARRANTY
OILMAN warrants its products to be free from defects in materials and for workmanship under normal use and services for a period of one (1) year from the date of shipment. The liability for any defects shall be limited to the repair or replacement of such products, or, at the option of OILMAN the refunding of purchase prices. This Warranty is expressly in lieu of all other warranties and representations, expressed or implied, and all other obligations or liabilities on the part of OILMAN, which shall not be liable for consequential damages for any breach of warranty. Any controversy or dispute arising out of the sale of OILMAN products shall be determined in accordance with Laws and for regulations of P. R. Of China.

REMARKS
Tubular Handling tools:Varco/BJ,Baash-Ross.Cavins,Joy.
Solid Control Equipments:Derrick,Swaco,Brandt,Mission,Harrisbrrg Mud pump:C.Emsco.Gardner Denver
Mud valve:Cameron.Demco.and WKM
BOP Products:Cameron and Shaffer and Koomey

Rig Engineering and Rig-up Commission
Rig Operation Engineers services and consumables local stoks & supply. Drilling equipments and tools R & D and supply.

All Trademarks, trade names & parts numbers are for identification purposes only.