Fig 1502 High Pressure Flapper / Dart Check Valve API Spec 6A

API Spec 6A Fig 1502 High Pressure Flapper Ckeck Valve / Dart Check Valve

Dart Check Valve

Dart Style Check Valve is a special non-return (one-way) valve designed as per to work under extremely high pressure and temperature in oilfield development facilities. Dart type Check Valve usually consists of valve body, seal rings, lock nut, spring, sealing gland, O-rings, and plunger. Dart Check Valves are considered reliable during various oilfield operations, such as cementing, acid stimulation, well kill works, hydraulic fracturing, well clean-up and solid management, etc.

Being another type of check valves, dart check valve perform the same function as any other check valves; allowing fluids enter from one opening and blocking the back flow of fluids from another opening. In other words, dart check valves allow fluids (liquid or gas) to flow through in only one direction.

Applications

- Frac pipeline, well testing pipeline, and other high-pressure well service flowlines

- Other well service, stimulation and abrasive applications

Features

- Working Pressure: from 2,000psi to 20,000psi

- Nominal Pipe Size: 2" ,3", 4"

- End Connection: Fig.206, Fig.602, Fig.1002, Fig.1502, Fig.2202

- Sour gas service are available

Specifications