Products
Shuangda Valve CO.,LTD (hereafter called SDV)
PRODUCT RANGE
Sizes NPS 1/2 to NPS 20
Class 150 to Class 1500
DESIGN FEATURES
Full or Reduced Bore
RF, RTJ, or BW
Bolted Bonnet
Renewable seat rings
Metal seat or Soft seat
DESIGN STANDARD
Design & manufacture according to API 6D, ASME B16.34
Face-to-face according to SDV STD
End Connection according to ASME B16.5 (RF & RTJ), ASME B16.25 (BW)
Test &inspection according to API 598, API 6D
Also available per NACE MR-0175, NACE MR-0103, ISO 15848






