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Automatic Pump Trap

Brand: Spirax Sarco

The Spirax Sarco automatic pump trap is a screwed displacement receiver pressure rated to PN10. 

The unit is capable of automatically trapping or pumping, depending on line conditions. 

The unit is operated by steam and is used to remove condensate from process and heating plant under all operating conditions including vacuum. 

The APT10-4.5 is available with standard blue paint finish or coated in ENP (Electroless Nickel plate).

Specifications

Brand

Materials

  • Cover: SG Iron, EN JS 1025/ASTM A395
  • Cover Gasket: Synthetic Fibre
  • Body: SG Iron, EN JS 1025/ASTM A395
  • Cover Bolts: Stainless Steel, BS EN ISO 3506 Grade A2-70
  • Pump Trap Lever: Stainless Steel, BS 1449 304 S15
  • Float: Stainless Steel, BS 1449 304 S16
  • Pivot Shaft: Stainless Steel, BS 970 431 S29, ASTM A276 431
  • Washer: Stainless Steel, BS 1449 316
  • Trap Housing: Stainless Steel, BS 970 431 S29, ASTM A276 431
  • Ball: Stainless Steel, ASTM A276 440 B
  • Seat (Inlet Check Valve): STainless Steel, AISI 420
  • Flap (Inlet Check Valve): Stainless Steel, BS 3146 ANC 4B
  • Pump Mechanism Bracket: Stainless Steel, BS 3146 ANC 4B
  • Spring (Pump): Stainless Steel, BS 2056 302 S26 Grade 2
  • Split Pin: Stainless Steel, BS 1574
  • Exhaust Seat: Stainless Steel, BS 970 431 S29/ ASTM A276 431
  • Inlet Valve and Seat Assembly: Stainless Steel, BS 970 431 S29
  • Exhaust Valve: Stainless Steel, BS 3146 ANC 2
  • Valve Seat Gasket: Stainless Steel, BS 1449 409 S19
  • Pump Mechanism Bolt: Stainless Steel, BS EN ISO 3506 Grade A2-70
  • Float Bolt: Stainless Steel, BS EN ISO 3506 Grade A2-70
  • Trap 1st Stage Valve: Stainless Steel, BS 970 431 S29/ ASTM A276 431
  • Trap Gasket: Stainless Steel, BS 1449 409 S19
  • Actuator Arm: Stainless Steel, BS 3146 ANC 2
  • Name-Plate: Stainless Steel, BS 1449 304 S16
  • Drain Plug: Stainless Steel, DIN 17440 1.4571
  • Motive Supply Strainer: SG Iron, DIN 17440 1.4571

Body Design Conditions

  • 145 psi g

Maximum Motive Inlet Pressure

  • 65 psi g

Maximum Operating Pressure

  • 65 psi g

Maximum Backpressure

  • 58 psi g

Maximum Operating Temperature

  • 311° F

Minimum Operating Temperature

  • 14° F

Temperature Limits

  • 14° F to 392° F

Designed for a Maximum Cold Hydraulic Test Pressure

  • 217 psi g

Minimum Installation Head (from Base of Pump)

  • 7.8”

Recommended Minimum Installation Head (from Base of Pump)

  • 11.8”

Documentation

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