
Valves should occasionally be inspected for damage
and wear. The inspection period should be deter-
mined by the severity of the service and environment.
If valves are periodically inspected and preventive
maintenance done, the valve will last longer and
CAUTION: Do not remove the bolting or valve
parts or bolting with pressure in the line. It is
easy to inspect the valve for obvious problems.
ELASTOMER SLEEVE REPLACEMENT:
A spare replacement check sleeve should be placed
on order when this valve is placed in service.
Remove the existing valve and install the replacement
If your Series 37 Valve is to be stored for a period
of time prior to installation, the following storage
guidelines will help preserve your valve and as-
sure a trouble free installation.
Store valve in a clean, cool, dry location. Avoid ex-
posure to light, electric motors, dirt or chemicals.
Store valve to prevent other items from contacting
check sleeve or fl anges to prevent possible dam-
Store this manual with the valve, so that it is readily
available at time of installation.
• Retighten all fl ange bolts uniformly, as explained on
the back cover of this IOM.
SLEEVE RUPTURE (At juncture of fl anges)
• Excessive back pressure due to water hammer
• High velocity of abrasive media with the valve
• Sharp I.D. of mating fl ange.
• Oversized I.D. of mating fl ange.
• Excessive back pressure.
WARRANTIES - REMEDIES - DISCLAIMERS - LIMITATION OF LIABILITY
Unless otherwise agreed to in writing signed by Tidefl ex
nologies, all Products supplied by Tidefl ex
described in the specifi cations set forth on the face hereof.
THE WARRANTIES SET FORTH IN THIS PROVISION ARE EX-
CLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES WHETHER
STATUTORY, EXPRESS OR IMPLIED (INCLUDING ALL WARRAN-
TIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE AND ALL WARRANTIES ARISING FROM COURSE OF
DEALING OR USAGE OR TRADE).
Technologies Products are guaranteed for a period of
one year from date of shipment, against defective workmanship
and material only, when properly installed, operated and serviced
in accordance with Tidefl ex
Technologies' recommendations.
Replacement for items of Tidefl ex
Technologies' manufacture
will be made free of charge if proved to be defective within such
year; but not claim for transportation, labor or consequential
damages shall be allowed. We shall have the option of requiring
the return of the defective product to our factory, with transporta-
tion charges prepaid, to establish the claim and our liability shall
be limited to the repair or replacement of the defective product,
F.O.B. our factory. Tidefl ex
Technologies will not assume costs
incurred to remove or install defective products nor shall we
incur backcharges or liquidated damages as a result of warranty
Technologies does not guarantee resistance to
corrosion erosion, abrasion or other sources of failure, nor does
Technologies guarantee a minimum length of service,
or that the product shall be fi t for any particular service. Failure
of purchaser to give prompt written notice of any alleged defect
under this guarantee forthwith upon its discovery, or use, and pos-
session thereof after an attempt has been made and completed
to remedy defects therein, or failure to return product or part for
replacement as herein provided, or failure to install and operate
said products and parts according to instructions furnished by
Technologies, or failure to pay entire contract price
when due, shall be a waiver by purchaser of all rights under these
representations. All orders accepted shall be deemed accepted
subject to this warranty which shall be exclusive of any other or
previous warranty, and shall be the only effective guarantee or
warranty binding on Tidefl ex
Technologies, anything on the con-
trary contained in purchaser's order, or represented by any agent
Technologies in writing or otherwise, not
withstanding implied warranties. TIDEFLEX
MAKES NO WARRANTY THAT THE PRODUCTS, AUXILIARIES
AND PARTS ARE MERCHANTABLE OR FIT FOR ANY PARTICU-