Design standards and product range
Design basis: API602, BS5352, ASME B16.34
Socket welding ends: ASME B16.11, DIN3202
Threaded ends: ASME B1.20.1
Butt-welding ends: ASME B16.25
Face-to-face dimension: ASME B16.10, GB12221
Inspection and test: API598, API6D, JB/T9092
Pressure rating: Class600~2500, PN100~PN420
Product range: 1/2"~3", DN15~DN80
Materials of main parts: A105, F11, F22, F5, F316
Trim materials: as per API600