PPI Pressure Products Industries Diaphragm Compressors

Sundyne Sealless Diaphragm Compressors (PPI)

Sundyne diaphragm compressors deliver total assurance of non-contaminating gas compression. Boasting a leak tight mechanism that features static seals which do not need to be purged or vented, these compressors present absolutely no leakage threat to the atmosphere, providing an ideal solution for safely handling ultra-pure, corrosive and volatile gases. Additionally, our diaphragm compressors are designed to isolate the process media from the piston or piston rings with a set of metallic diaphragms, completely eliminating the risk of cross contamination. Built to meet stringent API 618 standards for reciprocating compressors, these machines are available in a variety of flexible configurations and sizes, making them easily customizable to meet the ideal pressure ratio for your application. Backed by our global network of Authorized Service Centers and support staff, Sundyne diaphragm compressors are the reliability focused solution for customers operating in the petrochemical, refining, electron gas, specialty gas and polysilicon production industries.

Common PPI Compressor Applications

  • Hydrogen
  • Fluorine
  • Oxidizing
  • Hazardous gases
  • Corrosive gases

Typical Markets

  • Petrochemical
  • Speciality Gas
  • Energy
  • Silicon Manufacturing
  • R&D
  • Pilot Plants

PPI 1500 Series Diaphragm Compressors are ideal for pilot plant and lesser quantity cylinder filling applications.

 

  • Maximum Working Pressure, 6,000 psi (414 bar)
  • Maximum Motor Size, 1.5 hp
  • Mounting, In Line Vertical
  • Maximum Displacement, 0.17 ft³/min
  • Speed Range, 155 to 1895 rpm
  • Maximum Discharge Temperature, 450°F (232°C)
  • Stroke Length, 1.45 In.

Series 2L Diaphragm Compressors are for pressures up to 15,000 psig and available in 1 and 2 stage configurations.

 

  • Maximum Working Pressure, 15,000 psi (1,035 bar)
  • Maximum Motor Size, 15 hp
  • Mounting, L Configuration
  • Flanges, 0.5 to 1.0 inch process connection
  • Maximum Displacement, 7.1 ft³/min
  • Speed Range, 250 to 450 rpm
  • Maximum Discharge Temperature, 475°F (246°C)

The Series 4L Diaphragm Compressors are for pressures up to 16,750 psig and available in 1 and 2 stage configurations.

 

  • Maximum Working Pressure, 16,750 psi (1,155 bar)
  • Maximum Motor Size, 40 hp
  • Mounting, L Type Configuration
  • Maximum Displacement, 45.9 ft3/min
  • Speed Range, 250 to 400 rpm
  • Maximum Discharge Temperature,  450°F (232°C)
  • Stroke Length, 4.5 in.

The Series 7L Diaphragm Compressors are for pressures up to 6,250 psi and available in 1 and 2 stage configurations.

 

  • Maximum Working Pressure, 6,250 psi (431 bar)
  • Maximum Motor Size, 200 hp
  • Mounting, L or H configurations
  • Maximum Displacement, 110.9 ft³/min
  • Speed Range 250 to 350 rpm
  • Maximum Discharge Temperature 450°F (232°C)

The Series 9X Diaphragm Compressors are for pressures up to 5,000 psi.

 

  • Maximum Working Pressure, 5,000 psi (345 bar)
  • Maximum Motor Size, 250 hp (185 kW)
  • Mounting, H configuration
  • Maximum Displacement, 146.6 ft3/min
  • Speed Range, 250 to 335 rpm
  • Maximum Discharge Temperature, 450°F (232°C)