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D-SERIES DIAPHRAGM
ACTUATORS

Z4 Actuator Diaphragm薄膜 2024 scaled
Optimized for smaller
bore Z4 RSBV
Diaphragm constructed
of ruggedized nitrite
Triple-layer construction
provides stability and
pressure resistance
Phosphate coating
delivers strong
corrosion resistance
Description

Union Tech Z4 Pneumatic Diaphragm Actuators are designed specifically for smaller-sized Union Tech Z4 Rising-Stem Ball Valves; mechanical operation of the actuator is matched and tuned precisely to that of the Z4.
  • Recommended for Z4 Valves sized 4″ or smaller
  • Maximum air pressure = 65 psi
  • Carbon steel housing with phosphate coating applied to external surfaces for corrosion resistance
  • Tri-layer design maintains structural stability and enhances durability
  • Diaphragm consists of ruggedized nitrile elastomer – which was engineered and tested to surpass 100,000 cycles under 0.25 Mpa

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