TROUBLESHOOTING
Symptom: Leaking Flange
• Check gaskets
• Retighten all flange bolts uniformly in star pattern
(See figure to right)
Symptom: Valve Allows Backflow
• Not enough pressure
• Membrane damaged
• Objects plugging perforations in disc
• Membrane installed backwards
Symptom: Valve won't open or too much headloss
• Check pipe I.D. and membrane O.D. to verify membrane
was not clamped between disc and mating flange.
• Possible collection of solids or debris on disc.
RED VALVE WARRANTY
WARRANTIES - REMEDIES - DISCLAIMERS - LIMITATION OF LIABILITY
Unless otherwise agreed to in writing signed by Red Valve, all Products supplied by Red Valve will be described in the specifica-
tions set forth on the face hereof.
THE WARRANTIES SET FORTH IN THIS PROVISION ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES
WHETHER STATUTORY, EXPRESS OR IMPLIED (INCLUDING ALL WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE AND ALL WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OR TRADE).
Red Valve 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 Red Valve’s recommendations. Replacement for items of
Red Valve’s 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 transportation 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. Red Valve will not assume costs incurred to remove or install defective products nor
shall we incur backcharges or liquidated damages as a result of warranty work. Red Valve does not guarantee resistance to
corrosion erosion, abrasion or other sources of failure, nor does Red Valve guarantee a minimum length of service, or that the
product shall be fit 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 possession 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 Red Valve, 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 Red Valve, anything on the contrary contained in purchaser’s order, or represented by any agent or employee of Red Valve in
writing or otherwise, not withstanding implied warranties. RED VALVE MAKES NO WARRANTY THAT THE PRODUCTS,
AUXILIARIES AND PARTS ARE MERCHANTABLE OR FIT FOR ANY PARTICULAR PURPOSE.
700 N. Bell Avenue
Carnegie, PA 15106
phone: 412 279-0044
fax: 412 279-7878
email: [email protected]
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BOLTING SEQUENCE
(Star Pattern)
