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GATE VALVE — ¾" 300# RF — CARBON STEEL

ReflowX SKU: REF-7528

Product Details

Quantity

10
Availability (Lead Time)

0-2 Weeks
Product Location

United Arab Emirates
Condition

Surplus
OEM

Dresser Rand (A Siemens Business)
Equipment code

CFIHOS-30000649

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Short Description

Siemens Energy (via Dresser Rand)

Description

Manufacturer: Siemens Energy (via Dresser-Rand)
Valve Description: Manual Gate Valve
Part Number: DRZRNS2049H7T16
Line No.: Accessories
SO / Job No.: 30065222391 (K-46410)
Quantity Supplied: 3 Units
Serial Reference (SR No.): 316

PHYSICAL CONFIGURATION

Valve Type: Gate Valve

Size (Nominal Bore): ¾" (0.75 inch / ~20 mm)

End Connections: Flanged Raised Face (RF)

Face-to-Face Dimension: Conforms to ANSI B16.10 standards for ¾" Class 300 gate valves

Handwheel Operated: Yes (standard manual operation)

Tag Plate: Stainless steel, attached to body with heat number and model partially legible

MATERIALS OF CONSTRUCTION

Body Material: ASTM A105N (Normalized Carbon Steel Forged)

Bonnet Type: Bolted

Seat Material: Typically metallic (assumed ASTM A105 or equivalent)

Stem Material: Assumed 410 Stainless Steel or equivalent

Disc/Wedge Material: Assumed ASTM A105 or A216-WCB with hard-faced seat

Gland Packing: Graphite-based packing suitable for high pressure/temperature

PRESSURE & TEMPERATURE RATINGS

Pressure Class: ANSI Class 300

Max Pressure:

740 psi @ 100°F (5.1 MPa @ 38°C) per ASME B16.34 for ¾" CS valves

Temperature Range:

-29°C to +425°C depending on seat and packing materials

Design Standard: API 600 / API 602 for small forged steel gate valves

Testing Standard: API 598 (Hydrostatic and seat leakage testing)

FUNCTIONAL DESIGN

Operation: Manual (handwheel)

Flow Control: Bi-directional shut-off

Bonnet Type: Bolted for pressure sealing and serviceability

Packing: Renewable packing system (likely graphite-based)

Seating Type: Parallel or wedge-type gate for tight shut-off

Application Suitability:

Steam, air, oil, gas, hydrocarbons, and general industrial fluids

Used in power plant accessory lines and skid-based piping systems

TRACEABILITY & TAGGING

Heat Number: Present on tag (blurred)

Manufacturer’s Plate: Shows partial GWC Valve International marking

Inspection: Likely witnessed to API 598 or internal Siemens/Dresser-Rand QC standard

Compliance: ASME B16.34, API 598, ANSI B16.5 (flanges)

For further specifications or to inquire about this equipment and ReflowX's logistics services, Please contact ReflowX at info@reflowx.com

Technical Details

Year of Manufacturing	2021
Height	~220 mm (closed position)
Width	~100 mm
Length	~165 mm
Weight	~5.5 kg
Design Specification	Manual Gate Valve
Failure Action	Manual valve; stays in the last open/closed position unless operated
Fluid Name	Steam, Water, Process gases, Hydrocarbon liquids
Full Opening Valve	Yes
Nominal Diameter	¾ inch / DN20
Normal Operating Pressure	ASME Class 300
Normal Operating Temperature	–29°C to +425°C (–20°F to +800°F)
Piping Class	Compatible with ASME Class 300 piping systems

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