Flowserve 3200MD-28-D6-E-04-40-0G-00

Technical Dossier

Product Details And Specifications

Flowserve 3200MD Series Technical Notes

The Flowserve 3200MD Series is a line of single-acting and double-acting electro-pneumatic digital valve positioners engineered for precision control in critical process environments. Deployed extensively across petrochemical refineries, LNG terminals, nuclear power stations, offshore platforms, and large-scale chemical processing facilities, the 3200MD has established a dominant installed base in applications where valve positioning accuracy, diagnostic capability, and loop reliability are non-negotiable. The series supports HART communication protocol, enabling integration with distributed control systems (DCS) from Emerson, Honeywell, ABB, Yokogawa, and Siemens. Its modular configuration system — encoding actuator type, action, supply pressure range, feedback options, and hazardous area certification directly into the model number — allows procurement teams and maintenance engineers to specify exact replacement units without ambiguity. The 3200MD platform is recognized under IEC 61508 functional safety frameworks and is routinely specified in SIL-rated shutdown valve assemblies.

3200MD Full Catalog & Functionalities (SKU List)

The 3200MD model number is structured as: 3200MD – [Actuator Size] – [Action] – [Feedback] – [Supply Pressure] – [Output] – [Certification] – [Options]. The following SKUs represent verified, commonly stocked configurations across the series:

3200MD-28-D6-E-04-40-0G-00: Double-acting, HART, 0.4–2.0 bar supply, standard enclosure, no options — core refinery replacement unit.
3200MD-28-S6-E-04-40-0G-00: Single-acting version of the 28-frame, HART, 0.4–2.0 bar, standard enclosure.
3200MD-34-D6-E-04-40-0G-00: Double-acting, 34-frame actuator, HART, 0.4–2.0 bar, general-purpose certification.
3200MD-34-S6-E-04-40-0G-00: Single-acting, 34-frame, HART, 0.4–2.0 bar, standard output configuration.
3200MD-40-D6-E-04-70-0G-00: Double-acting, 40-frame, HART, 0.4–7.0 bar extended supply range, for high-pressure pneumatic headers.
3200MD-40-S6-E-04-70-0G-00: Single-acting, 40-frame, HART, 0.4–7.0 bar, suitable for spring-return fail-safe actuators.
3200MD-28-D6-E-04-40-XG-00: Double-acting, 28-frame, HART, ATEX/IECEx Zone 1 certified, intrinsically safe option.
3200MD-28-D6-E-04-40-0G-01: Double-acting, 28-frame, HART, with partial stroke test (PST) function enabled.
3200MD-34-D6-E-04-40-XG-00: Double-acting, 34-frame, ATEX Zone 1, HART, standard supply pressure.
3200MD-34-D6-E-04-40-0G-01: Double-acting, 34-frame, HART, PST-enabled, for SIL-rated ESD valve assemblies.
3200MD-40-D6-E-04-40-XG-00: Double-acting, 40-frame, ATEX Zone 1, HART, 0.4–4.0 bar supply.
3200MD-28-S6-E-04-40-XG-00: Single-acting, 28-frame, ATEX Zone 1, HART, intrinsically safe, fail-close configuration.
3200MD-34-S6-E-04-70-0G-00: Single-acting, 34-frame, HART, 0.4–7.0 bar, extended pressure range for high-supply headers.
3200MD-40-D6-E-04-70-XG-00: Double-acting, 40-frame, ATEX Zone 1, HART, 0.4–7.0 bar, offshore-rated configuration.
3200MD-28-D6-E-04-40-0G-02: Double-acting, 28-frame, HART, with remote position transmitter (RPT) feedback option.
3200MD-34-D6-E-04-40-0G-02: Double-acting, 34-frame, HART, RPT feedback, for remote-mounted indicator applications.

Quality Control for the 3200MD Range

Each 3200MD unit processed through DriveKNMS undergoes a structured inspection and functional verification protocol prior to dispatch. The procedure covers: (1) visual inspection of enclosure integrity, conduit entries, and nameplate legibility; (2) bench calibration of the I/P converter against a traceable pressure reference standard, verifying linearity across the full 4–20 mA input range; (3) HART communication verification using a Fluke 475 or equivalent HART communicator, confirming device descriptor, firmware revision, and diagnostic register accessibility; (4) pneumatic leak test of internal pilot valve and output manifold at 1.5× rated supply pressure; (5) partial stroke test execution (where firmware supports PST) to confirm solenoid response and position feedback accuracy; (6) final documentation package including test data sheet, inspection checklist, and unit serial number record. Units that do not meet Flowserve factory acceptance criteria are quarantined and not offered for sale.