Oil and Gas Industry NACE Compliant Gauges

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Product Overview

Compliance is paramount in the oil and gas sector. Our NACE compliant pressure gauges are specifically manufactured to meet the strict material requirements of NACE MR0175/ISO 15156, preventing sulfide stress cracking in environments exposed to sour gas (Hydrogen Sulfide, H2S). These rugged gauges are built with all wetted parts made from specific alloys (e.g., Monel or Inconel) to ensure safety, integrity, and regulatory adherence in upstream, midstream, and downstream operations globally.

Key Features

Materials comply fully with NACE MR0175 standards.
Designed for H2S (sour gas) service and severe corrosive environments.
Heavy-duty case and movement for offshore and field use.

Technical Specification Sheet

Parameter	Detail
Pressure Range	0-100 bar up to 0-1600 bar (psi, kPa, bar units available)
Accuracy Class	±1.0% of full scale (Process Grade)
Nominal Size	DN 100 mm (4"), 150 mm (6")
Wetted Parts Material	NACE Compliant Alloy (e.g., Monel, Inconel)
Case Filling	Glycerin or Silicone oil (Recommended for vibration)
Process Connection	1/2" NPT Male (Standard)
Certification	Material Certification included with shipment (3.1/3.2)

Typical Use Cases

Wellhead Monitoring: Pressure control in sour gas wells.
Refineries & Petrochemicals: Processes involving high concentrations of H2S.
Offshore Platforms: Subsea and topside fluid pressure monitoring.
Pipeline Systems: High-pressure line integrity and flow assurance.
Chemical Injection Skids: Handling aggressive inhibitor fluids.

Competitive Benefits

Guaranteed Compliance: Eliminates regulatory risk associated with non-compliant material failure in hazardous service.
Extreme Corrosion Resistance: Specialized alloys significantly extend product life in highly aggressive media.
Enhanced Safety: Designed with solid front/blow-out back construction for maximum operator safety.
Global Acceptability: Materials meet an internationally recognized standard (NACE/ISO).

Payment and Shipping Details

Due to the specialized nature of these alloys, we require a 40% T/T advance payment upon order. Remaining balance is due upon presentation of shipping documents. We offer global logistics via FCA (Free Carrier) or EXW (Ex Works). Lead times are approximately 4-6 weeks to secure the NACE-certified raw materials and complete the mandatory material traceability and testing protocols.

Frequently Asked Questions

Q: Does NACE certification apply to the entire gauge?
A: NACE MR0175 primarily governs the wetted parts (Bourdon tube, connection, socket) that come into contact with the sour process media.

Q: Can the gauge be repaired if damaged?
A: Due to the stringent material traceability requirements of NACE, major repairs or replacements of wetted parts should only be done by the original manufacturer to maintain certification.

Q: What documentation is provided with the shipment?
A: Every NACE compliant order includes a Certificate of Compliance (CoC) and, optionally, Material Test Reports (MTRs) for the wetted components.

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Oil and Gas Industry NACE Compliant Gauges Manufacturers

Wuxi Huihua Special Instrumentation Co., Ltd. was established in December 2001, the registered capital is 5 million yuan, the existing staff of more than 50 small and medium-sized joint-stock enterprises.
The company specialises in the production of various types of special instruments, alternative to the localisation of imported instruments.To seismic pressure gauge, seismic electric contact pressure gauge, stainless steel pressure gauge, diaphragm corrosion-resistant pressure gauge, marine pressure gauge and other series as the main products. On the basis of field instruments, we have developed various kinds of pressure transmitters, pressure controllers, digital pressure gauges and so on. There are more than 30 series and 3000 specifications. Products are widely used in petroleum, chemical, paper, metallurgy, mining, chemical fibre, electric power, food, environmental protection, rubber and plastic, hydraulics and many other industries, and more than 2,000 domestic customers to establish a friendly relationship with the national large and medium-sized enterprises to establish a good partnership, won the majority of users praise, and set up a corporate brand image.