美国进口
Imported from USA

霍夫曼专业真空断路阀
Hoffman Specialty Vacuum Breakers

美国贝尔-高赛特
Bell & Gossett

Model 62 – Part No. 401446

For use on closed vessels and piping systems to control induced vacuum within safe limits
Adjustable from 1⁄4″ – 20″ (8-508mm) Hg vacuum – factory set at 2" (51mm) Hg vacuum
3⁄4″ NPT straight shank
Maximum operating temperature 366°F (186°C)
Maximum operating pressure 150 psig (10.3 bar)

Parts Lists

HS 800C Hoffman Specialty Service Parts Catalog

Catalog Pages

HS 900E Hoffman Specialty General Catalog

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

霍夫曼专业真空断路阀Hoffman Specialty Vacuum Breakers

霍夫曼专业真空断路阀
Hoffman Specialty Vacuum Breakers