Full-bore and reduced-diameter structures. The ball valve used for conveying the splicing and easy-to-slagging medium pipeline should use full diameter to facilitate the passage of the regular wax-sweeper.
The non fusible disconnect switch Suitable for AC 50HZ, rated voltage 400V/690V, rated current 400A. 3 poles & 4 poles. Different operating modes, can be divided indoor operation and outdoor operation. The contacts are made of copper and the cover is made
475 Digital Field HART Handheld Communicator 1. Dimension 228 x 98 x 60mm(Clips and cable not included) 2. HART® Connector a) In conformity with HART Protocol (HCF); b) Operating mode: intercommunication semiduplex 1200bit/s c) Receivable voltage: ±40V d)