GE RS-FS-9001 362A1052P004 Flow switch
GE RS-FS-9001 / 362A1052P004 Technical Specification
(Industrial Flow Switch)
Specification
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Attribute
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Detail
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Part Number
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RS-FS-9001 (GE Catalog) / 362A1052P004 (Legacy)
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Manufacturer
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General Electric (GE)
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Series
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Industrial Sensing
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Country of Origin
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USA
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Function
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Paddle-Type Flow Switch with SPDT Contact
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Description
The GE RS-FS-9001 (362A1052P004) is a rugged mechanical flow switch for liquids in pipelines. It detects flow/no-flow conditions via a stainless-steel paddle actuator, triggering a hermetically sealed snap-action switch (SPDT). Designed for HVAC, lubrication systems, and cooling circuits (≤150 PSI). Features adjustable setpoint (0.2–10 ft/s), NEMA 4X/IP65 enclosure, and corrosion-resistant construction.
Features
- Mechanical Design:
- 316L stainless steel paddle & shaft
- Adjustable setpoint screw (calibrated in ft/s or gpm)
- Brass/Ni-plated body (NPT threaded)
- Electrical:
- SPDT snap-action switch (Form C: NO/NC/COM)
- 250V AC/DC (10A resistive, 1/3 HP motor)
- Terminal block with conduit entry (1/2″ NPT)
- Robustness:
- Hermetic sealing (stem-to-switch)
- EPDM/Viton™ seals (compatible with oils/glycols)
- Vibration/shock resistant (IEC 60068-2-6/27)
Technical Specifications
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Parameter
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Specification
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Port Size
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1/2″, 3/4″, 1″ NPT female (standard)
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Pressure Rating
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150 PSI @ 100°F (230 PSI burst)
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Temp. Range
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-20°F to +250°F (-29°C to +121°C)
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Flow Range
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0.2–10 ft/s (water) / 0.5–25 gpm (1″ line)
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Switch Deadband
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Fixed 15% of setpoint
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Electrical Rating
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10A @ 250V AC / 0.5A @ 125V DC
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Contact Material
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Silver alloy (Cd-free)
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Product Properties
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Property
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Specification
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Enclosure
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NEMA 4X/IP65 (epoxy-coated aluminum)
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Wetted Materials
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SS316L paddle, brass body, EPDM/Viton™ seals
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Weight
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1.2 kg (2.6 lbs) – 1″ NPT version
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Mounting
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Vertical/horizontal pipeline (flow direction → paddle)
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Compliance
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UL 61010-1, CE, RoHS
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Cable Entry
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1/2″ NPT × 2 (dual entries for daisy-chaining)
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Performance Metrics
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Metric
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Value
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Repeatability
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±2% of setpoint
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Response Time
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<1 sec (flow loss detection)
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Mechanical Life
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>5 million cycles
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Electrical Life
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100,000 cycles (@ 10A resistive)
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Min. Fluid Viscosity
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>1 cP (water-like fluids)
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Key Applications
- HVAC Systems:
- Chiller water flow monitoring (alarm on pump failure)
- Glycol circuit protection (freeze prevention)
- Industrial Machinery:
- Lube oil flow verification (turbines/compressors)
- Coolant flow interlock (CNC machines)
- Energy Sector:
- Diesel generator jacket water flow
- Solar thermal plant fluid loops
⚠️ Critical Installation Notes:
- Paddle Orientation: MUST align with flow direction → paddle deflection WITH flow.
- Minimum Pipe Fill: Install only in fully filled pipes – air pockets cause false trips.
- Paddle Clearance: Maintain ≥2× pipe ID straight-run upstream; no elbows/valves within 5D.
- Seal Compatibility: Use Viton™ for hydrocarbons (>100°F) / EPDM for water/glycol (<250°F).
- Electrical Load: For inductive loads (e.g., pumps), use snubber circuit – contact welding risk.
- Calibration: Adjust setpoint UNDER FLOW using a clamp-on flowmeter – static calibration invalid.
- High-Temp Warning: Above 180°F, use heat-sink conduit – switch degrades at >250°F.
- Paddle Damage: Never use in slurries/solids >5% – install Y-strainer upstream.
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