Instrument Tubing, Valves, Gauges & Transmitters — Process-Ready, Fully Documented
Warwick supplies instrument tubing, compression fittings, needle and manifold valves, thermowells, pressure gauges, transmitters, flow elements, level instruments, temperature elements, and impulse piping for process instrumentation systems.
Our instrumentation inventory supports process measurement and control requirements across refinery, petrochemical, and energy applications. Stainless and alloy instrument tubing, Swagelok-equivalent compression fittings, and NACE-compliant instrument valves are stocked for immediate release.
We supply complete instrument impulse piping packages including tubing, fittings, valves, and supports — matched to process conditions and hazardous area classifications. All instrumentation materials are supplied with material certifications and dimensional documentation.
Instrumentation — Specifications & Grades
All materials supplied to ASTM, ASME, API, and applicable international standards. Applicable MTRs and material documentation provided per specification and purchase-order requirements.
| PRODUCT | SIZE RANGE |
|---|---|
| Instrument Tubing (SS / Alloy) | 1/4", 3/8", 1/2" OD; 0.035"–0.065" wall |
| Compression Tube Fittings | 1/8" – 1" OD tube |
| Instrument Valves (Needle / Ball / Check) | 1/4" – 1" NPT / compression |
| Manifold Valves (2V / 3V / 5V) | 1/2" NPT / ANSI 150# – 2500# |
| Thermowells (Flanged / Threaded / SW) | 1/2" – 2" process connection; 2" – 24" insertion |
| Pressure Gauges & Transmitters | 2" – 6" dial; 0–15 psi to 0–10,000 psi |
| Flow Elements (Orifice / Venturi / Annubar) | 1" – 24" line size |
| Level Instruments (Gauges / Transmitters) | Per process connection |
| Temperature Elements (RTD / Thermocouple) | 1/4" – 1" sheath OD; per insertion length |
| Instrument Impulse Piping & Tubing Bundles | 1/4" – 1" OD, multi-tube bundles |
* Contact sales for custom grades, non-standard sizes, or expedited sourcing. MTRs and certifications available on request.
Who We Supply
Documentation Provided Per Specification
Mill test reports are reviewed and verified before shipment — not assembled after the fact. Heat numbers, certifications, and compliance documentation are retained for 10+ years. We supply to ASTM, ASME, API, and applicable international standards.
Submit Your Instrumentation Requirements
Upload your BOM, MTO, or specification sheet. Our sourcing team responds the same business day with pricing and availability.