Flange and fitting interface
The lining must not hide a facing the existing gasket still needs. Write raised face, flat face or the drawing note. A photo of a spool is not a facing call.
RF/FF Facing still to confirmInterface, medium and temperature
rubber lining pipe
Will the quoted rubber lining pipe actually interface with the existing equipment? Compound, bonding method and the applicable ASTM standard detail decide compatibility, not preference. This page is a purchase check, not a carbon roadmap and not a circular-economy pledge.
Compatibility sequence before an alternative is accepted
- Name the boreInner diameter, length and flange facing as they sit on the existing line
- Name the mediumWhat the lining will see, including water wash if that is the real duty
- Name the temperatureService temperature in °F or °C, continuous and excursion if known
- Name the bondAdhesive, autoclave or later bonding, written by the factory
- Name the methodASTM or equivalent the receiving plant will run on the lot
An alternative rubber lining pipe is accepted only when those five items are written on the new line. A different compound with the same name on the invoice is still a new request. Tear strength, compression set and elongation belong on the factory document if the receiving plant asked for them; they are not reprinted here as this desk’s figures.
What has to be verified on the quoted rubber lining pipe
Wall versus bore
Thickness in inches or millimetres changes the remaining bore. If the pump or valve already has a minimum ID, write that limit on the request so a thicker wall is not silently accepted.
ID Remaining bore checkCompound versus medium
Chlorobutyl, nitrile or natural lining can all be offered under a loose “rubber lining pipe” string. The factory has to say which compound it quoted against the named medium.
ASTM Method on the offerWho confirms which compatibility item
Buyer / receiving plant
Owns the existing flange, the medium and the method that will be run on arrival.
Named factory
Owns the compound, the bonding method and the dimensional page for that spool or stock.
This desk
Keeps those two lists on one page so a substitute cannot hide behind a shorter unit price.
Read the request checklist before sending a photo-only brief. Open inquiry options if the form is still unset.
Send the rubber lining pipe interface as it exists
Share bore, medium, temperature, quantity and destination. We will not treat a substitute as approved until those items are written.