YFL Cast steel gate valves, globe valves, check valves are mainly produced according to API, DIN and JIS standards etc.

YFL Cast steel gate valves are designed and manufactured according toAPI600, DIN 3352 and JIS B2071 etc.

YFL Cast steel globe valves are designed and manufactured according to BS1873, DIN 3356 and JIS B2071 etc.

YFL Cast steel check valves are designed and manufactured according to BS1868, API 6D, API 594, DIN 3356 and JIS B2071 etc.

YFL Cast steel gate valves, globe valves, check valves technical specifications:

1.      Face to Face: ASME B16.10, DIN3202, JIS B2002

2.      Flange dimensions: ASME B16.5, EN1092-1, JIS B2220

3.      Test and inspection: API 598, DIN 3230, JIS B2003

YFL Cast steel gate valves mainly include body, bonnet, wedge and stem etc. The cast steel gate valves are used as on-off valve. When open the valve, the rotation of valve stem will lift the wedge till fully open. When close the valve, the rotation of valve stem will make the wedge move down till fully closed.

YFL Cast steel globe valves mainly include body, bonnet, disc and stem etc. The cast steel gate valves are used as cut off valve. The disc moves upward and downward to open and close the valve.

YFL Cast steel check valves mainly include body, bonnet and disc etc. The cast steel check valves are used as non-return single direction valve to stop backflow. The disc is closed automatically by the backflow.

The production of cast steel gate valves, globe valves and check valves mainly included castings, machining, assembly, pressure test, fire safe test, painting and packing.

Casting

Machining

Assembly

Pressure test

Pressure tests are done strickly according to international standards.

Fire safe test

Painting

Painting according to customers' requirements

Packing:

Protected well in non-fumigation Plywood case