Standard flanges (weld-neck, slip-on, socket-weld, lap-joint, blind and screwed types) are manufactured by chw forge to specifications of asme b16.5, asme b16.47, asme b16.48, bs en 1092, bs 4504, api-605, api-590, msssp44, din 2632 to 2638, din 2576, 2642, 2527, 2566. Flanges cover full range of pressure ratings of these specifications (150 2500 psi for asme & pn6-pn400 for din en flanges). Non-standard flanges are made upto a diameter of 4500 mm and the weight not exceeding 5, 000 kgs.
Ghaziabad, Uttar Pradesh, India
