Siemens SITRANS P320 Pressure Transmitter

Siemens SITRANS P320 Pressure Transmitter — Reliable Gauge Pressure Measurement for Saudi Arabia Process Plants

The Siemens SITRANS P320 is a robust and accurate gauge pressure transmitter designed for general process industry applications — measuring gauge pressure in gases, vapours, and liquids in oil & gas, petrochemical, water treatment, and utility systems. Part of Siemens' comprehensive SITRANS P pressure instrument family, the P320 delivers ±0.1% accuracy, long-term stability of < 0.1% per year, and HART communication in a compact, rugged housing suitable for Saudi Arabia's demanding field conditions.

As one of the most widely deployed pressure transmitters in the Middle East, the SITRANS P320 is found across Saudi Aramco's processing facilities, SABIC's chemical plants, MARAFIQ's utilities, and Saudi NWC's pumping infrastructure. Its combination of reliability, competitive pricing, and strong Siemens after-sales support in Saudi Arabia makes it the default pressure measurement instrument for standard process applications.

Key Features for Saudi Process Applications

±0.1% Accuracy: High accuracy across a 10:1 turndown ratio meets Saudi Aramco instrument specification requirements for standard process measurement applications under SAES-J-100 Class 1.

All-Welded Sensor: The all-welded, flush diaphragm design eliminates gaskets and potential leak paths — critical for Saudi Arabia's high-pressure hydrocarbon applications where gasket failure can create safety incidents. Wetted parts in SS316L or Hastelloy C276 for corrosive media.

HART 7 Protocol: Full HART 7 communication with Device Description (DD) enables remote configuration, calibration, and diagnostics from HART-compatible DCS/SCADA systems — standard at Aramco (Emerson DeltaV, Yokogawa CENTUM) and SABIC (Siemens PCS 7) facilities.

SIL 2 Capable: IEC 61508 SIL 2 (as single device) certification for use in Safety Instrumented Functions (SIFs) in Saudi safety instrumented systems (SIS) designed per IEC 61511 and SAES-Z-010.

Wide Rangeability: Single P320 transmitter covers 0–400 mbar to 0–400 bar through 10:1 rangeability — enabling Saudi plant instrument engineers to standardise on a single transmitter part number for a wide range of pressure applications, simplifying spare parts management.

Technical Specifications (7MF4433-1DA02-1AA1)

Applications in Saudi Arabia

Oil & Gas Processing: Saudi Aramco gas processing plants at Uthmaniyah, Hawiyah, and Shedgum use SITRANS P320 for separator pressure measurement, absorber/regenerator column pressure profiles, and wellhead tubing head pressure monitoring.

Refinery: Saudi Aramco's Ras Tanura, Yanbu, and Jazan refineries use P320 for column pressure measurement, pump discharge pressure monitoring, and flare header pressure indication.

Water Treatment: NWC pumping station manifold pressure measurement, SWCC RO plant feed pressure monitoring, and booster station discharge pressure control loops all employ P320 as the standard gauge pressure transmitter.

Utilities: Siemens Desigo CC building automation projects in Saudi Arabia's large commercial developments use P320 for compressed air, steam, and chilled water pressure monitoring points.

Frequently Asked Questions

Q1: What is the Siemens SITRANS P320 price in Saudi Arabia? P320 is competitively priced for general-purpose process applications. Contact RAZZ via sales@razz.sa for a quotation tailored to your specifications including process connection, wetted material, and ATEX options.

Q2: What is the difference between SITRANS P310, P320, and P330? P310 is an entry-level gauge pressure transmitter (±0.2% accuracy). P320 adds higher accuracy (±0.1%) and 10:1 rangeability. P330 offers highest accuracy (±0.065%) with advanced diagnostics and multi-variable output for compensation. For most Saudi process applications, P320 provides the right balance.

Q3: Does P320 support PROFIBUS PA? The SITRANS P320 is available with HART 7 output as standard. For PROFIBUS PA output, use the SITRANS P420 (Pressure for Process) variant instead. RAZZ stocks both versions.

Q4: Is SITRANS P320 certified for ATEX Zone 1 in Saudi Aramco hazardous areas? Yes. SITRANS P320 is certified ATEX Ex d IIC T5, IECEx, and SAS (Saudi Aramco Safety) for Zone 1 installation. RAZZ provides ATEX and SAS certificates with each unit for Aramco documentation packages.

Q5: What manifold options are available for SITRANS P320? Siemens offers 2-valve and 3-valve manifolds for direct mounting to P320. RAZZ also supplies third-party manifolds (Parker, Ham-Let) compatible with P320 for Saudi customers with existing manifold standards.

Q6: What is the lead time for SITRANS P320 in Saudi Arabia? Standard P320 with HART output and SS316L wetted parts is one of RAZZ's highest-turn items — typically available within 2–4 weeks. ATEX-certified variants or special wetted materials (Hastelloy, Monel) require 6–8 weeks.

Q7: Can SITRANS P320 be used for differential pressure measurement? No — P320 is a gauge pressure transmitter. For differential pressure measurement, Siemens offers the SITRANS P320 DP variant or the SITRANS DS III differential pressure transmitter. RAZZ stocks the full SITRANS P DP range.

Related Siemens Products at RAZZ

• Siemens SITRANS F M MAG 5100W Flowmeter
• Siemens SINAMICS G120 VFD
• Siemens SIMATIC S7-1500 PLC

For the complete Siemens SITRANS pressure instrument range in Saudi Arabia, visit our Siemens brand page.