3 in. IPS Ductile Iron Coupling with Rubber Insulating Sleeve and Anode
DRESSER™ Style 39 3 in. IPS Ductile Iron Coupling with Rubber Insulating Sleeve and Anode
Package Quantity Info:
Each: 1 Inner Pack: 1-
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Product Description
- Dresser Style 39 insulating couplings are widely used on lines which are to be electrically isolated for cathodic protection, or for insulating between pipe of dissimilar metals
- The Style 39 coupling follows the same basic design and benefits as the Style 38 coupling, but has insulating properties
- The insulating gasket has a skirt which extends under the follower ring to insulate it from the pipe. In addition, a “full boot” plastic tubular insulator inside the middle ring assures isolation of pipe ends
- Thus, one pipe end is completely insulated from the coupling and opposite pipe end, while the armored gasket on the other end bonds the coupling to the pipe where it can share cathodic protection currents
- Style 39 couplings can be virtually used on all sizes of gas and oil pipelines, and can be supplied with insulating features on both ends if required