Klarkson KGD
The one-piece, self-adjusting, molded elastomer secondary seal eliminates any leakage between
the knife gate and top of the valve body in any orientation. The seal also prevents any outside
contaminants from getting inside the valve. It is dynamically self-adjusting, eliminating the need
for continual adjustment required with conventional style packing. The secondary seal is also
used to lubricate the gate as it cycles through the seal, providing smoother gate movement and
longer seal life, as well as reducing the force required to actuate the gate. Silicon-based lubricant
is held inside a series of rib cavities built into the seal, each time the gate passes through the
seal, a small amount of the long-lasting lubricant is released. The seal is replaceable and can
be changed while the valve is in the line.
OEM REPLACEMENT SLEEVES AND PARTS
To maintain the expected performance of your
KGD, always use genuine Clarkson OEM sleeves
and other replacement parts from Emerson.
Genuine KGD sleeves from Emerson are easily
recognized by the identifying marks found on the
sleeve O.D. These marks include the size, part
number, applicable patent number, elastomer
batch compound and date of manufacture;
all of which allow complete traceability of the
part. Clarkson KGD replacement sleeves from
Emerson are the only ones authorized for use
in the KGD and offer the best fit and continued
performance that non-OEM parts simply cannot
give. The use of copycat parts may invalidate any
remaining warranty
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