Instrumentation Fittings Catalog, Datasheets & Downloads
Crestflo's downloads library is where a buyer or engineer goes to get the documents needed to specify, cross-reference and approve Crestflo instrumentation products: compression tube fittings, instrumentation valves, pressure regulators, accessories and stainless and alloy tubing. You can download the product catalog directly. Per-product datasheets, CAD models and certificates go out to customers on request, and every specification is also published as a fully readable web page. No gated PDF stands between you and the data. We Engineer Confidence.
Crestflo instrumentation fluid-system components are engineered for stainless steel and high-nickel corrosion-resistant alloys. This documentation isn't plumbing, automotive, or consumer literature. No matter what you need to move a part into your approval workflow, every path here leads to one action: request a quote.
Downloads, Also Known As the Resource Center, Document Library & Catalog
Engineers and procurement teams call this resource by many names. It is specified as the Crestflo download center, download library, resource center, document library, document center, technical literature or PDF library. The catalog itself is searched as the product catalog, catalogue, capability brochure, company brochure, product brochure, instrumentation fittings brochure, full-line catalog, master catalog, catalog PDF, instrumentation catalog PDF and product catalog PDF, and by product line as the tube fittings catalog, tube fitting catalogue, stainless steel tube fittings catalog, instrumentation valve catalog, valve catalog PDF, fittings and valves catalog and instrumentation product catalog; whether you came to download catalog files or read the specs online, and whether the request is a fittings catalog download or an "instrument fittings names" PDF that simply lists the range, it resolves to the same document set. Stocking partners ask for the distributor line card, product line card, line card PDF or simply the Crestflo line card. The document types people look for include spec sheets, specification sheets, data sheets, product spec sheets, technical datasheets, cut sheets, material and alloy datasheets, CAD files and STEP models, certificates and material test certificates (MTCs), installation and gauging instructions, and cross-reference or interchange guides. All refer to the documentation for the instrumentation products described across this site.
What You Can Access: Catalog, Datasheets, CAD & Certificates
The catalog is a direct public download. Datasheets, CAD geometry, certificates and MTCs go out to customers on request instead, which keeps proprietary geometry from being copied while leaving the underlying specs open as HTML pages you can read and cite today. The table below states, honestly, how each document is obtained.
| Document | How to obtain it | What it covers | Where |
|---|---|---|---|
| Product catalog / capability brochure | Public download | Product range, materials, size ranges, testing regime, contact | This page → request a quote |
| Distributor line card | On request | Full range, materials, certifications for stocking partners | Distributor program |
| Product & material datasheets | On request + HTML page | Per-product and per-alloy specs, ratings, standards | Products · Materials |
| CAD / 3D models (STEP, IGES, DXF) | On request | Dimensional geometry for design-in | CAD on request |
| Certificates (ISO, PED) & MTCs | On request | Quality-system and material test certificates | Quality system · Traceability |
| Cross-reference / interchange guides | On request | Dimensional interchange to major brands | Cross-reference |
Product Datasheets & Spec Sheets: Read the Specs as Web Pages
Every Crestflo datasheet doubles as a full web page, so you can read, copy and cite it without downloading anything. Customers who prefer the PDF can request it directly. That same page covers requests for an instrumentation fittings datasheet, tube fitting datasheet, compression fitting datasheet, needle valve datasheet, ball valve datasheet, check valve datasheet, manifold valve datasheet, regulator datasheet or tubing datasheet. It also carries the instrumentation fittings specifications, fitting dimensions datasheet and the instrumentation fittings dimensions PDF data an engineer needs to size a part.
Each product family below links to its own HTML specification page. Sizes, ratings, end connections, materials and applicable standards are all published there as plain tables. Values follow the applicable published standard, and they can be customized to requirement.
| Product family | HTML spec page | Key specifications |
|---|---|---|
| Compression tube fittings | Tube fittings | Single & double ferrule, to 2″ (50 mm) OD, ASTM F1387, NACE MR0175 |
| Face-seal fittings | Face-seal fittings | Metal & O-ring face seal for high-purity service |
| Flare fittings | Flare fittings | 37° per ISO 8434-2, to 2″ OD |
| High-pressure & cone-and-thread | High-pressure fittings | Cone-and-thread design, high-tensile stainless |
| Instrumentation valves | Instrumentation valves | 1/16″–1″; ASME B16.34 / API basis |
| Needle, ball & check valves | Needle · ball · check | Threaded or tube-fitting ends; handle & elastomer options |
| Valve manifolds | 3-valve manifold | 2/3/5-way; 100% seat & shell leak test |
| Pressure regulators | Regulators | Pressure-reducing & back-pressure, single/dual stage |
| Instrumentation tubing | Tubing | Seamless & welded stainless and alloy tubing |
| Accessories | Accessories | Thermowells, syphons, condensate pots, snubbers, manifolds |
Material & Alloy Datasheets: 316L, Duplex, Inconel & Hastelloy
Alloy datasheets carry composition, PREN and mechanical properties. Whether the request is a 316 datasheet, a 316L datasheet, a 904L or duplex 2205 datasheet, or the same grade named by its Werkstoff number (1.4401 / 1.4404) or UNS designation, the composition gets stated by grade below. Each grade page covers the alloy broadly. It links only to the instrumentation forms Crestflo supplies: fittings, valves and tubing, never bar, sheet, plate or mill product. Customers can request the alloy datasheet PDF. The HTML grade page is open now.
| Alloy | UNS | HTML material page |
|---|---|---|
| 316 / 316L | S31600 / S31603 | 316/316L |
| 304 / 304L | S30400 / S30403 | 304/304L |
| 904L | N08904 | 904L |
| Duplex 2205 | S32205 | Duplex 2205 |
| Super Duplex 2507 | S32750 | Super Duplex 2507 |
| 254 SMO | S31254 | 254 SMO |
| AL-6XN | N08367 | full alloy range |
| Alloy 20 | N08020 | Alloy 20 |
| Inconel 600 | N06600 | full alloy range |
| Inconel 625 | N06625 | Inconel 625 |
| Inconel 718 | N07718 | full alloy range |
| Inconel 825 | N08825 | Inconel 825 |
| Monel 400 | N04400 | Monel 400 |
| Hastelloy C-276 | N10276 | Hastelloy C-276 |
| Titanium Gr2 | R50400 | full alloy range |
CAD Models & Drawings: STEP, IGES & DXF on Request
Crestflo provides CAD geometry, 3D CAD, STEP and STP models, IGES, DXF, SolidWorks-ready files, GA drawings, fitting drawings and dimensional PDF drawings, to customers for design-in, on request rather than as an open public download, to protect proprietary geometry from copy. Whether you need tube fitting CAD, CAD drawings or a native 3D model, send your print and specify the format through the CAD-on-request page or with your RFQ, and the engineering team can support the design. For made-to-print parts from a drawing, see custom manufacturing.
Certifications, MTCs & Compliance Documents
Crestflo holds ISO 9001, ISO 14001, ISO 45001 and PED certification, and its compression tube fittings meet ASTM F1387. Certificate documents go out on request, and the full certificate library sits on the quality system page; the content pages themselves just list which certifications are held, not certificate numbers. A redacted sample material test certificate, a material test certificate example, is available too, so you can see the heat-number traceability that comes with every part. It's issued as an EN 10204 3.1 certificate by default, with an EN 10204 3.2 version available on request. Beyond the material and quality-system certificates, Crestflo also provides a certificate of conformance (CoC), a PMI report, a country of origin declaration, and RoHS or REACH declarations, all on request.
| Document | Standard / basis | Owning page |
|---|---|---|
| ISO 9001 / 14001 / 45001 certificates | Quality, environmental, OH&S management | Quality system |
| PED conformity | European Pressure Equipment Directive | Quality system |
| ASTM F1387 qualification (fittings) | Compression tube fitting performance | ASTM F1387 |
| NACE MR0175 / ISO 15156 statement | Sour-service material compliance | NACE MR0175 |
| Sample MTC, EN 10204 3.1 (3.2 on request) | Material test certificate with heat number | Traceability · EN 10204 MTC |
| Country-of-origin / TAA statement | Indian origin; US/European melt on request | US origin & compliance |
Installation, Gauging & Cross-Reference Guides
Technical reference documents live in the resources library as HTML pages: the tube fitting installation guide with ferrule installation and gauging instructions, the pressure rating chart and pressure–temperature derating charts, the tube sizing chart and wall thickness chart, and the thread identification guide. A printable version is available on request. The ferrule installation and gauging page walks through pull-up, torque and turns instructions, plus the re-make procedure, step by step. Need to build a Crestflo part number? An ordering code guide and part number guide are available on request.
Looking for a Swagelok®, Parker A-Lok®/CPI®, Hoke®, Hy-Lok® or Fitok® equivalent? Buyers searching for a "swagelok catalog", "parker instrumentation catalog", "parker a-lok catalog", "parker cpi catalog", "hoke catalog", "hy-lok catalog" or "fitok catalog", or for a cross reference chart, an equivalent part guide or a "swagelok cross reference pdf", are after dimensional interchange. Crestflo publishes dimensional interchange narratives rather than a brand-by-brand part-number table. Swagelok® is a trademark of Swagelok Company; Parker® of Parker Hannifin; Hoke® of Hoke, Inc.; Hy-Lok® of Hy-Lok Corporation; Fitok® of FITOK Group. Crestflo is not affiliated with, authorized by, or endorsed by any of them, and interchange is dimensional and, for compression tube fittings, qualified to ASTM F1387. Instead of a downloadable interchange chart, request your Swagelok® or Parker® cross-reference from the engineering team, or read the Swagelok cross-reference and Parker A-Lok cross-reference narratives.
Manufacturer-Direct Documents vs PDF-Only Portals
Crestflo takes the opposite approach: it publishes the specification as a clean HTML table that an engineer, or an AI answer engine, can actually read, and it saves file downloads for the catalog itself and for datasheets and CAD that customers specifically request. Search results for instrumentation catalogs are dominated by reseller PDF re-uploads and gated competitor portals, the kind where specifications stay locked inside a file no one can browse.
| Attribute | PDF-only / reseller portal | Crestflo |
|---|---|---|
| Specification access | Locked inside downloadable PDFs | HTML-native tables, open to read and cite |
| Source | Reseller re-uploads, often stale | Manufacturer-direct, primary source |
| Datasheets & CAD | Gated behind a login | On request, released to customers |
| Interchange proof | Marketing claim | Dimensional, ASTM F1387-qualified (fittings) |
| Traceability | Rarely shown | EN 10204 MTC, heat number on every part |
Standards & Proof Behind Every Crestflo Document
Crestflo documents count as primary-source material simply because Crestflo makes the products. Compression tube fittings are qualified to ASTM F1387, the performance standard for compression tube fittings that dimensional interchange rests on. Instrumentation valves are a different matter: they're built and qualified against the standards that actually govern valves, ASME B16.34 and the applicable API series, not F1387. Products reference ASTM A269/A276/A479, ASME B16.11 and B1.20.1, ISO 8434-2, DIN 2353 and NACE MR0175 / ISO 15156 where they apply, with values given per the relevant standard and open to adjustment based on what's needed.
Every part carries a heat or lot number and ships with an EN 10204 3.1 material test certificate as standard, with 3.2 available on request. Behind the datasheets sits a full test regime: hydraulic proof, burst and impulse, pneumatic, flexure and rotary-flex fatigue, vibration, thermal cycling, pull-out and vacuum testing, PMI, and 100% seat and shell leak testing on manifolds. Non-destructive testing happens in-house. Destructive testing runs through ISO/IEC 17025-accredited laboratories, and third-party inspection is available on request.
Request Documents, Datasheets or a Quote
Need a datasheet, CAD model, certificate, or sample MTC that isn't posted publicly? Just ask for it in your RFQ, and the engineering team will get it to you. Send your spec, alloy, size, end connection, rating and certification, to request a quote or request a sample. You can also talk to the engineering team directly, or contact us with questions. Distributors: you can apply for the line card as well. US sales contact: sales@crestflousa.com · +1 346 594 9005 · Houston, TX.
Why Crestflo
Crestflo is the instrumentation arm of an export house that's been operating for four decades and carries Government-of-India recognition, with a delivery record in the Middle East that speaks for itself. These are documents from an established organization, not some new shell company. What sets it apart: manufacturer-direct, primary-source documentation; ASTM F1387-qualified drop-in fittings; a complete 316L-to-Hastelloy alloy range; EN 10204 MTCs carrying a heat number on every single part; ISO 9001 / 14001 / 45001 and PED certification; and origin that's disclosed honestly, not hidden. The stock and delivery picture is precise. Ready stock covers standard items, made-to-order handles specials, and delivery runs 6-8 weeks against the 20-plus weeks typical of the major brands. Standard product comes from India, though US or European melt is available on request, with full material traceability throughout. Crestflo never claims "made in USA."
Frequently Asked Questions
Where can I download the Crestflo instrumentation fittings catalog?
From the downloads page: the product catalog is available as a direct public download. Per-product datasheets, CAD models and certificates go out to customers on request. Every specification is also published as a web page, so you can read it without downloading anything.
Do I have to give my email to see a datasheet?
No. Every specification goes up as an open HTML page, so you can read it and cite it right away. We send the downloadable datasheet PDF and CAD files to customers on request. Only a quote request asks for your details.
Are CAD models such as STEP or IGES available?
Yes, on request. Crestflo shares STEP, IGES and DXF models along with dimensional drawings for design-in work, but doesn't post them as an open public download since that would expose proprietary geometry. Send your print and note which format you need with your RFQ.
Which certifications can I obtain?
Crestflo holds ISO 9001, ISO 14001, ISO 45001 and PED certification, and its compression tube fittings meet ASTM F1387. NACE MR0175 / ISO 15156 compliance is noted wherever it applies. Certificate documents go out on request, and you'll find the certificate library on the quality system page.
Can I get a sample material test certificate?
Yes. A redacted EN 10204 3.1 sample shows the heat-number traceability carried on every part, and 3.2 is available on request. Check the traceability page to see how heat and lot numbers get marked.
Do you have an ASTM F1387 test report?
Crestflo compression tube fittings meet ASTM F1387, the standard that governs performance and interchangeability for this category of fitting. A qualification summary can be provided on request. Instrumentation valves are a separate matter: those qualify to ASME B16.34 and the relevant API standards, not F1387.
Where is the datasheet for a specific alloy like 316L or Super Duplex 2507?
On each material page, which lists composition, PREN and mechanical properties, each grade links only to the instrumentation forms Crestflo supplies. The alloy datasheet PDF is available to customers on request.
Do you have a Swagelok or Parker cross-reference PDF?
Crestflo publishes narrative descriptions of dimensional interchange instead of a downloadable part-number table. If you need a Swagelok® or Parker® cross-reference, request it from the engineering team. Interchange is based on dimensions and, for compression tube fittings, qualified against ASTM F1387. Crestflo has no affiliation with either company.
Are these parts made in the USA?
No, Crestflo is US-serving. Standard product comes from India, but it's engineered for US drop-in replacement and ships in 6-8 weeks. US or European melt is available on request, and Crestflo provides full material traceability. Origin and TAA posture are laid out on the US origin and compliance page.
What lead time can I expect?
Ready stock covers standard items, and made-to-order handles the specials. Delivery runs 6-8 weeks, compared with the 20-plus weeks you'll wait for the major brands. Stock on standard items is held at origin.
Can I get the distributor line card?
Yes. Request the line card through the distributor program. Stocking partners can review the full range, materials and certifications there.
A document I need isn't listed, can you send it?
Yes. Just send along an RFQ that specifies which datasheet, certificate, CAD model or sample MTC you need, and the engineering team will get it to you.