manual orifice choke valve Orifice choke valve is molded of two pieces of spe-cial carbon tungsten plates with rather ability of erosionresistance, one of which rotates to alte
plug valve Plug valve is a necessary part that is connectedwith high-pressure manifold in operation of cementingwell and fracture in oil field and also suitable
mud valve Manufactured and Tested in Accordance with API Spec 6A. Forged Steel Body and Bonnet. API 6A PSL 1, 2 and 3 available. Valve seat and gate are sealed
check valve The product is designed and manufactured accord-ing to API Spec 6A "Equipment Specification of Well-head & X'mas tree" and matched and
hydraulic choke valve The hydraulic choke valve is used to be matchedwith manifold and other assemblies, which is appli-cable for flow-rate adjustment, that is, to raise o
manual slab gate valve Rising stem slab gate valves manufactured by jiangsu yidelong petroleum machinery co.,ltd . areavailable in temperature classes L, P, R, S, T, and Us
Non-rising stem gate valve Non-rising stem slab gate valves manufactured by jiangsu yidelong petroleum machinery co.,ltd . areavailable in temperature classes L, P, R, S, T, an
