Swivel Joints Permit Easy Movement in any Direction
OPW Engineered Systems fabricated and cast ball bearing swivel
joints offer many outstanding features that contribute to their
dependability and long life. Quality construction standards include
precision machining and 100% penetration welding by certified
welders. OPW swivel joints allow you to construct a metal piping
system that is moveable, flexible and reliable. You can count on
OPW.
Tight Seals
0-Rings are used to provide a tight seal without hindering swivel
action. Because the grooves are accurately machined and
micro-finished, wear is minimal. Available seals include Buna-N,
Flourocarbon, PTFEÆ, EPT, Neoprene, and even Kalrez®Æ or other
specialty seals as needed. All PTFE seals are spring energized,
with a 316 stainless steel garter spring.
True Ball Bearing Race Alignment
Body and tail sections are locked together by a double row of ball
bearings. Raceways are machined to precise tolerances. This double
race design assures proper alignment and prevents binding caused by
temperature changes or heavy radial loads. Carbon steel swivels
have hardened races to maximize load carrying capability.
Protected Bearing Chamber
Product can't enter the bearing chamber because of the protective
inner O-ring seal. An outer seal keeps rain, dirt, and other
contaminants out. Both seals hold lubricant in.
Long-Life Bearings
Ball bearings are hardened, precision-ground steel. Stainless steel
swivels have stainless steel bearings. All OPW swivels are
available with stainless steel bearings on special order.
Easy Lubrication
All OPW swivels are pre-lubricated at the factory, and all 3/4", 1"
and submerged service swivels are permanently lubricated. For
swivels requiring field lubrication, a grease fitting between the
races accepts a standard grease gun. Non-lubricated swivels are
available on special order.
No Field Adjustment Necessary
Balls are held in place by factory-installed plugs that never need
adjustment to maintain ball bearing performance.
100% Penetration Welding
Of particular importance is the 100% penetration welding of
fabricated steel and stainless steel swivels.
OPW swivel joints are available in many different styles and sizes,
from 3/4" and up, with threaded, flanged, and butt welding ends.
Steam jacketed swivels as well as split flange units are also
available.
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