B-SERIES
PRODUCT
INFORMATlON
The Dresser Control InstrumentOperation supplies highly reliableAshcroft
switches and controls forindustrial and process applications. Webegin with rock-solid designs, matching
the most appropriate technology with thesafety and reliability requirements of theapplications. The materials of construc-tion are specified to Dressers exacting
standards, and product is built to last in
the toughest applications. Our modern,responsive manufacturing facility inConnecticut is supported by an exten-
sive network of stocking distributors andfactory sales offices located in virtuallyevery part of the world. Special applica-
tion assistance is always just a tele-phone call away.The Ashcroft B-Series switch line isdesigned to satisfy most switch require-ments. Materials of construction havebeen selected for long life. A wide variety
of precision switch elements are avail-
able to meet every application require-ment, including hermetically sealed con-
tacts for added reliability and safety. The
industrial actuators we use have been proven in
more than 20 years of service in the
worlds plants and mills. Special designs
are available for fire safety, NACE, limit
control and other more stringent require-
ments. Simplicity and ease of use are
stressed to improve reliability of the
installation.B-Series switches have proven reliable insuch harsh environments as:? Offshore oil rigs? Chemical and petrochemical plants
? Pulp and paper mills
? Steel mills? Power plants? Water and sewage-treatment plants
? Other corrosive environments Type 400 Enclosure
UL and CSA listed instrument quality snap-action switch for reliable
operation. Ratings up to 10A dc or
20A ac. Hermetically sealed switch
also available.
3 ⁄
4 NPT
electrical connection foreasy wiring.Accessible adjustment for convenientswitch setting, includes vibration- resistant feature.Epoxy-coated aluminum enclosure forcorrosion resistance. Meets NEMA 3,
4, 4X, 13 and IP66 requirements. High proof pressure.
Deadband limits for each switch.
Neoprene gasket for sealing enclosure. Standard pressure connection materials:Pressure psi ranges 316 SS
Differential psid ranges Nickel-plated brass
Pressure and differential I.W. ranges Epoxy-coated carbon steel
2