Temperature Measurement Specialists

Precision
Instruments
For Critical
Processes

U.S.-based supplier of premium temperature instrumentation for the Venezuelan petroleum industry — thermocouples, thermosensors, specialty cables, ceramic tubes, and complete measurement solutions.

API
Certified Standards
2200°C
Max Operating Temp
48–72h
Quote Response Time
USA
Origin & Compliance
Live Process Monitor — ACTIVE
487 °C
Primary Thermocouple — Type K
TC-01 Charge Heater Outlet 487 °C
TC-02 Reactor Inlet 623 °C ↑
TS-03 Feed Preheater 341 °C
Cable Shield Status INTACT ✓
Ceramic Tube Integrity OK ✓

Your Bridge Between
U.S. Expertise & Venezuelan Operations

Praxis Instrumentation is a U.S.-based company founded to serve the Venezuelan oil and gas industry with precision temperature measurement solutions. We combine deep knowledge of North American manufacturing standards with direct experience in the operational demands of PDVSA's refinery complexes, including Amuay, Cardón, and El Palito.

We source, verify, and supply thermocouples, resistance temperature detectors, specialty instrumentation cables, ceramic protection tubes, and complete thermowell assemblies — all backed by full documentation, UL/ANSI/ASTM certifications, and traceability reports required by PDVSA procurement processes.

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Engineering Support

Technical assistance for sensor selection, calibration specifications, and compatibility with existing DCS and SCADA systems.

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Full Documentation

Mill test reports, certificates of conformance, UL listings, and PDVSA-compatible traceability packages included with every order.

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Export Management

Experienced in U.S. export regulations. We coordinate FOB Houston/Miami shipments with freight forwarders familiar with Venezuelan logistics.

15+
Years Combined Experience
In temperature instrumentation for refining and petrochemical processes
500+
Product SKUs Available
Thermocouples, RTDs, cables, tubes, heads and accessories
PDVSA
N-262 & Process Industry Standards
All products sourced and documented to meet PDVSA procurement and quality standards, including N-262 for instrumentation cables and applicable ASTM/ANSI standards for thermocouple wire and protection tubes.
48h
Quote Turnaround
Fast response on RFQs with technical recommendations
USA
Country of Origin
Sourced from leading American manufacturers with full compliance documentation

Complete Temperature
Measurement Solutions

From the sensing element to the signal cable and protection assembly — we supply every component of your temperature measurement loop.

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Thermosensors / RTDs

Resistance temperature detectors (PT100, PT1000) and smart temperature transmitters for precision measurement in critical process control loops.

PT100 / PT1000 — IEC 60751 Class A & B 2-wire, 3-wire, 4-wire configurations Range: −200°C to +850°C Integrated head transmitters (4–20 mA) HART protocol compatible Explosion-proof (Class I Div. 1 & 2)
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Specialty Cables

Thermocouple extension and compensation cables, instrumentation cables, and specialty wiring for high-temperature and hazardous environments.

Thermocouple extension wire — ANSI MC96.1 Types J, K, T, E, R, S, B extension grades PTFE, FEP, PVC, fiberglass insulation Armored, shielded, multi-pair configurations Rated up to 600V — UL 1277 / TC-ER PDVSA N-262 / ICEA S-82-552 compliant

Ceramic Protection Tubes

High-purity alumina and mullite ceramic protection tubes for extreme temperature environments, protecting thermocouple elements in direct flame, molten metal, and oxidizing/reducing atmospheres.

Materials: Al₂O₃ (99.7%), Mullite, SiC Max temp: up to 1,800°C continuous Single- and double-bore configurations Custom lengths and diameters available Excellent thermal shock resistance Gas-tight sealing options
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Thermowells

Machined protection wells for thermocouple and RTD installation in pressurized vessels and pipelines — designed per ASME PTC 19.3 TW and PDVSA specifications.

Materials: SS 316, SS 304, Inconel 600/625 Styles: Straight, tapered, stepped Connections: Threaded, flanged, socket weld ASME PTC 19.3 TW — Wake frequency calc. Up to ANSI Class 2500 pressure rating Heat traced versions available
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Connection Heads & Accessories

Terminal heads, connection blocks, sensor protection accessories, and complete assembly kits for field installation and maintenance.

Aluminum, cast iron, stainless housings NEMA 4X, IP65/IP67 weather protection Explosion-proof — UL / FM / ATEX certified Ceramic and porcelain terminal blocks Calibration adapters and reference junctions Field-replaceable element inserts

Built for Venezuela's
Petroleum Sector

Our products are engineered for the demanding environments found across Venezuelan refinery complexes, upstream fields, and petrochemical facilities — environments where temperature measurement accuracy is critical for process safety, product quality, and regulatory compliance.

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Oil Refineries

CDU, VDU, FCC, Hydrocracker, Reformer, Visbreaker — all critical furnace and process units

Upstream & Exploration

Wellhead temperature monitoring, production separators, crude oil heater-treaters

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Petrochemical Plants

Ethylene, methanol, ammonia, and polymer production requiring high-precision sensors

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Gas Processing & LNG

Natural gas treatment, compression stations, and liquefaction trains

Power Generation

PDVSA cogeneration facilities and utility boilers requiring reliable temperature control

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Maintenance & Turnarounds

Rapid supply of replacement sensors and cables during scheduled and emergency shutdowns

UNITED STATES GULF OF MEXICO CARIBBEAN SEA VENEZUELA HOUSTON, TX Praxis HQ + Logistics MIAMI, FL REFINERÍA AMUAY CARACAS
Praxis HQ — Houston, TX
Export Hub — Miami, FL
Refinería Amuay (Client)
CRP Refineries (Venezuela)

Certified to the Highest Standards

Every product we supply is sourced with full documentation from manufacturers holding the relevant certifications for oil & gas and refinery applications.

ASTM International
ASTM E230 thermocouple wire, ASTM B3 copper conductor, and material standards for ceramic and metallic components.
ANSI / ISA Standards
ANSI MC96.1 thermocouple calibration, ISA-75 process instrumentation, and ISA-5.1 instrumentation symbology.
Underwriters Laboratories
UL 1277 tray cable (TC / TC-ER), UL 13 PLTC, UL 508 industrial control equipment for applicable cable and enclosure products.
API Recommended Practices
API RP 551 process measurement instrumentation and API 670 machinery protection systems compliance documentation.
ICEA Cable Standards
ICEA S-82-552, ICEA S-61-402, ICEA S-73-532 for instrumentation and control cable construction and testing.
NEMA Standards
NEMA WC-5 thermoplastic insulated wire and cable, NEMA enclosure ratings (4X, 7, 9) for connection heads and field housings.
IEC International
IEC 60751 RTD accuracy classes, IEC 60584 thermocouple tolerances, IEC 60332-1 flame retardancy for cables.
PDVSA Specifications
PDVSA N-262 instrumentation cable, PDVSA EM-18-03-01 thermocouple specifications, and CRP procurement requirements.

Request a Quote or
Technical Consultation

Whether you need a single replacement sensor or a complete measurement system package, our team is ready to assist with product selection, technical specifications, and competitive pricing.

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Headquarters

Praxis Instrumentation LLC
Houston, Texas — United States of America

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Phone / WhatsApp

+1 (713) 555-0100

English · Español · Available Mon–Fri 8am–6pm CT

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Response Times

RFQ Response: 24–48 business hours
Stock items: Same-day quote
Custom/fabricated: 3–5 business days

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Languages

We operate fully bilingual — all technical documentation, quotations, and correspondence available in English and Spanish.

Send Us a Request