美国进口
Imported from USA

霍夫曼专业散热蒸汽排气阀
Hoffman Specialty Radiator Steam Vents


美国贝尔-高赛特
Bell & Gossett

Model1A PartNo.401422 Air Valve (non-vacuum)

  • Float-type vent
  • Adjustable port for true proportional venting – 6 port settings from slow (1) to fast (6)
  • 1⁄8″ NPT angle connection
  • Maximum operating pressure 11⁄2 psig (0.1 bar)*
  • Maximum pressure 10 psig (0.7 bar)

Model70A PartNo.401443 Air Valve (non-vacuum)

  • Float-type vent
  • Single non-adjustable port
  • Meets Federal Specification WW-V-151 for Type 1 Non-Adjustable Valves
  • 1⁄8″ NPT angle connection
  • Maximum operating pressure 11 psig (0.8 bar)*
  • Maximum pressure 15 psig (1.0 bar)

Model40 PartNo.401440 Air Valve (non-vacuum)

  • Float-type vent
  • For ordinary one-pipe system that doesn't require proportional venting
  • Single non-adjustable port
  • 1⁄8″ NPT angle connection
  • Maximum operating pressure 6 psig (0.4 bar)*
  • Maximum pressure 10 psig (0.7 bar)

Bell & Gossett offers several useful engineering tools for easy sizing of every area of a building. Simple to navigate software gives you accurate information and up-to-date documentation downloadable straight into your submittal package.

Some tools require a registered account: New User Registration | Existing User Password Help

ESP-Design Plus Bell & Gossett: Multi-Stage, Pressure Booster Packages, Wastewater, Vertical Turbines
ESP-Plus Bell & Gossett Pump Selection: Circulators, End Suction, Closed-Coupled, Inline, Double Suction
ESP-Tanks Bell & Gossett Compression/Expansion Tanks and Accessories (downloadable app)
ESP-Thermal Bell & Gossett Gasket Plate & Frame and, Brazed Plate Heat Exchangers
ESP-UTUBE Bell & Gossett U-Tube Heat Exchangers
ESP-Parts Parts Selection
Steam-2000 Steam 2000 Selection
Steam-1140 Series 1140 Steam Service Regulators
Water-1140 Series 1140 Water Service Regulators
Steam-Traps Steam Traps Selection
CAD Drawings CAD Drawings
System Syzer System Syzer (available online, PC download, and iOS app)
System Syzer Psychrometry System Sizing related to coil cooling (link downloads .exe file)
Steam-Pipe Steam Pipe Sizing
Steam-Loss Steam Loss Through Failed Trap
Flash-Steam Flash Steam Sizing
Condensate-Pipe Condensate Pipe Sizing
Mobile Catalog iOS iPhone & iPad Mobile Product Catalog
Mobile Catalog Android Android Device Mobile Product Catalog