When your RFQ names the catalogue designation 2-7/8 in. 2500 PSI fiberglass tube—or asks IFGS to match that SKU to an existing tubing string—you still need size basis, pressure-temperature conditions, connection, and length before a quote can land. You confirm whether 2-7/8 in. is nominal or finished OD, request OD/ID/wall on one drawing, and state the conditions under which 2500 PSI applies. This page is a commercial SKU/designation RFQ checklist—not a GRE tubing encyclopedia or API standards bridge.
What the 2-7/8″ 2500 PSI designation means on your RFQ
On the live IFGS product page, you request this fiberglass tube using the 2-7/8 in. 2500 PSI catalogue designation. You still confirm the dimensional basis, connection, and applicable pressure-temperature conditions against the offered drawing and datasheet. A designation alone is insufficient to confirm compatibility with an existing tubing string—you request a size-specific datasheet and drawing so pressure rating, temperature limit, and connection can be reviewed together.
A technical datasheet is not published on the product page. You ask for the applicable dimensions, ratings, and supporting documents for your project. For your primary quote path, open 2-7/8″ 2500 PSI Fiberglass Tube.
Spec decisions your RFQ should name
Use this table when you shortlist the 2-7/8 in. 2500 PSI fiberglass tube on size basis, rating conditions, connection, length, and documents:
| Decision factor on your project | What IFGS publishes (reference) | What you should put in your RFQ |
|---|---|---|
| Product path | Catalogue designation 2-7/8 in. 2500 PSI fiberglass tube | Name that designation (not generic GRE tubing only) |
| Size basis | Confirm whether 2-7/8 in. is nominal size or finished OD | State which basis you assume; request OD/ID/wall + tolerances on one drawing |
| Pressure-temperature | Request conditions under which 2500 PSI applies | Temperature, fluid, joint type, design/test basis with units |
| Connection | Mating thread/connection drawing; sealing; gauge | Attach mating drawing or mark “Not sure yet” |
| Useful length | Specify useful length and permitted tolerance | Length + tolerance with units |
| Service context | Well or transfer service; fluid; operating/design conditions | Duty notes that affect selection |
| Shared project inputs | Application/environment; dimensions/connections/materials; quantity/docs | Partial info is enough; mark gaps “Not sure yet” |
| Documents | Drawing, datasheet, connection info, qualification docs | Ask by name; team confirms availability/version |
| Datasheet status | No technical datasheet published on the product page | Request size-specific datasheet and drawing for the offered configuration |
When your inquiry is still at the family GRE tubing level before you freeze this SKU, review GRE Tubing. Treat the catalogue designation as a starting label, and request the drawing and datasheet for the offered configuration.
RFQ checklist: what you should send so the quote matches your designation
Before you request a quotation, include these items:
- Named catalogue designation — 2-7/8 in. 2500 PSI fiberglass tube — SKU path, not a generic “GRE tubing” encyclopedia ask.
- Size basis — state whether you treat 2-7/8 in. as nominal size or finished OD; request body OD, ID, wall thickness, and tolerances on the same drawing.
- Pressure-temperature conditions for 2500 PSI — temperature, fluid, joint type, and design or test basis.
- Connection package — mating thread or connection drawing, sealing requirements, and any gauge requirements.
- Useful length and length tolerance — with units.
- Well or transfer service context — fluid composition, operating and design conditions.
- Quantity, delivery destination, and delivery window for a Dongying quotation.
- Technical documents by name — size-specific drawing, product datasheet, connection information, and qualification documents; the team confirms availability and version.
Mark undecided fields as “Not sure yet”—partial information is enough to start. The designation alone does not lock OD, joint, or P-T envelope: you request configuration-specific limits so the quote matches your string. If your tender mixes this SKU with family GRE tubing API questions or line-pipe scopes, split the RFQ—different document packs apply.
Where this SKU fits on your tubing scope
You shortlist 2-7/8″ 2500 PSI Fiberglass Tube when your inquiry already names that catalogue designation and you can confirm size basis, 2500 PSI conditions, connection, and length. You open GRE Tubing when you are still at the family level—well arrangement, fluid, temperature, pressure, and connection requirements—before you freeze a size/rating SKU. You keep this URL as a designation RFQ, not as a substitute for the live GRE tubing oilfield RFQ or the API 15HR/15LR bridge articles. When you need to compare GRE tubing language with epoxy resin tube options, send your drawing and operating conditions to IFGS on the product path above.
Spec traps that slow your quote
You should watch for these gaps—they usually return clarifying questions instead of numbers:
- You treated 2-7/8 in. as finished OD without confirming whether IFGS lists it as nominal or finished diameter.
- You named 2500 PSI without temperature, fluid, joint type, or design/test basis.
- You asked IFGS to match an existing tubing string using only the designation—no mating connection drawing or size-specific datasheet request.
- You skipped useful length and length tolerance.
- You asked for a CE / ISO / API seal IFGS did not publish on the live product body for your project.
- You asked for price only and skipped the drawing, datasheet, connection, quantity, and delivery window.
Clean those gaps—your inquiry is ready.
FAQ
What does the 2-7/8 in. 2500 PSI designation mean on your RFQ?
On your inquiry, that string is the IFGS catalogue designation for this fiberglass tube SKU. You still confirm dimensional basis, connection, and the pressure-temperature conditions that apply to the 2500 PSI label against the offered drawing and datasheet. A designation alone is not enough to prove compatibility with an existing tubing string. You should request a size-specific datasheet and drawing so rating, temperature limit, and connection are reviewed together.
Is 2-7/8 in. a nominal size or a finished outside diameter?
On the live product page, IFGS asks you to confirm whether 2-7/8 in. identifies a nominal size or a finished outside diameter. You should not assume one basis without stating it on the RFQ. Request the body outside diameter, inside diameter, wall thickness, and tolerances on the same drawing. Mark the basis “Not sure yet” if your project drawing is still open—technical review can still start.
What pressure-temperature details should you send with 2500 PSI?
You should request the conditions under which the 2500 PSI designation applies, including temperature, fluid, joint type, and the design or test basis. Catalogue pressure labels are not a substitute for a duty-specific envelope. Pair those notes with your well or transfer service context so IFGS can review the offered configuration. Ask for the size-specific datasheet that states the applicable limits.
What connection information should you attach before IFGS can quote?
You should provide the mating thread or connection drawing, sealing requirements, and any gauge requirements your string needs. Without a mating drawing, IFGS cannot confirm joint compatibility from the designation alone. If a formal connection drawing is not ready, mark the field “Not sure yet” and describe the interface in plain language. Request connection information with the product datasheet by name.
Why is a designation alone insufficient for your tubing string?
IFGS states that a product designation alone is insufficient to confirm compatibility with an existing tubing string. You need a size-specific datasheet and drawing so pressure rating, temperature limit, and connection can be reviewed together. No technical datasheet is published on the product page—you request the applicable dimensions, ratings, and supporting documents. That package keeps your quote tied to verified fields, not guesswork.
What documents should you request with your quotation?
You should request the product datasheet, connection information, and qualification documents needed for your project. The IFGS team confirms document availability and the applicable version. You also include quantity, delivery destination, and delivery window. List the tube body, fittings, accessories, and documentation you need in the quotation so scope stays clear.
What should you attach when you ask IFGS for a quotation?
You should attach the named designation (2-7/8 in. 2500 PSI fiberglass tube); size basis with OD/ID/wall request; 2500 PSI P-T conditions; mating connection notes; useful length and tolerance; service and fluid notes; plus quantity, destination, and delivery window. Ask for the size-specific drawing, datasheet, connection information, and qualification documents by name. Partial information is enough to start—mark gaps “Not sure yet.”
When your checklist is complete, open the 2-7/8″ 2500 PSI Fiberglass Tube page linked above (or GRE Tubing when you are still at family level), request the size-specific drawing and datasheet for the duty that matches your string, and send IFGS your size basis, P-T conditions, connection, length, quantity, and delivery window. That package lets your designation quote rest on verified project fields—not guesswork.