OPW - 3940FL-0401 - 4" SWIVEL, SST, BUNA, 150  FLANGE X 150  FLANGE, LR ELBOW
OPW - 3940FL-0401 - 4" SWIVEL, SST, BUNA, 150  FLANGE X 150  FLANGE, LR ELBOW
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All OPW swivel joints are full bore schedule 40 construction with short radius elbows, except 6", 8", and 10” fabricated steel and stainless steel swivels which have long radius elbows. Ball bearing raceways and sealing surfaces in all swivels are precision machined and micro-finished to assure friction-free operation and superior sealing characteristics. All steel and ductile iron swivels are painted blue.

3900 Series (Fabricated Stainless Steel)
Bodies and tails of high-quality ASTM A351-CF3M/CF8M stainless steel. Welded construction; 100% penetration welding by welders certified to ASME Boiler and Pressure Vessel Code, Section IX. Precision-ground stainless steel ball bearings, Buna-N O-ring main seal, Buna-N O-ring dust seal. Standard flanges are ASME 150 lb. raised face type. Item: 3940FL-0401

Construction: Conventional Swivels, fabricated 316 stainless steel
Style: 1 plane of rotation
End Connections: For submerged use, 150 lb. ASME flange both ends
Size: 4"
Seal Materials: Buna-N (standard)

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