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APT – Series 9100EXHD

CPP Product Details

Weight Operated Leak Detector with HD Plug

The Weight Operated Leak Detector with HD Plug is engineered to capture and manage fluid leaking past stuffing box packing, helping operators prevent spills, protect equipment, and reduce environmental risk. This system operates by monitoring the accumulated weight of fluid collected in the stainless steel reservoir. When the preset weight threshold is reached, the electrical switch automatically shuts down the pumping unit to prevent overflow and costly cleanup.

Available in explosion-proof and non-explosion-proof configurations, the leak detector features an adjustable spring mechanism that allows operators to customize the activation point based on operating conditions. Combined with APT’s HD Plug, this system delivers enhanced sealing performance, dependable leak containment, and long-lasting reliability in demanding oilfield applications.

Key Benefits

  • Captures and contains fluid leaking past stuffing box packing
  • Automatic pumping unit shutdown based on fluid weight
  • Adjustable activation point for customized operation
  • Available in explosion-proof and non-explosion-proof configurations
  • HD Plug provides enhanced sealing and pressure control
  • Durable stainless steel reservoir and fittings
  • Helps prevent spills and environmental contamination
  • Designed for demanding oilfield environments
  • Made in the USA

Leak Detector Specifications

Electrical Switch

  • Opened & Closed Contacts; SPDT
  • Electric or Gas Applications
  • Explosion Proof
  • 120 VDC, 60Hz, 4A Maximum
  • Class I, Division I, Groups A, B, C, D
  • Class II, Division I, Groups E, F, G
  • Temperature Rating: -50°C to +105°C

Construction Features

  • Stainless Steel Reservoir
  • 1-Gallon Capacity
  • Stainless Steel Fittings
  • Adjustable Weight Activation
  • Durable, Corrosion-Resistant Design
  • Made in the USA

HD Plug Features

  • Secondary Packing
  • V-Style Packing
  • Rated to 1500 PSI
  • Replaces the Top Cap and Upper Gland of the Stuffing Box
  • Integrated Grease Zerk for Packing Lubrication
  • Single ACME Thread Cap Design

 

SWITCH CONFIGURATION
SPDT; Opened & Closed Contacts

SWITCH RATING
120 VDC, 60Hz, 3A (max.)
CERTIFICATION
Class I, Division I, Groups A,B,C,D
Class II, Division I, Groups E,F,G
TEMPERATURE
-25 to +109 Celsius
SWITCH MATERIAL
Solid Tungsten Bar and Plate

Applications

Ideal for:

  • Oil and gas production operations
  • Stuffing box leak containment
  • Pumping unit protection
  • Wellhead equipment
  • Hazardous location installations
  • Environmental spill prevention programs

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