Colton Industries
Colton Industries
16 Cosentino Drive
Scarborough, Ontario, M1P 3A2
Tel: 888-300-9155
Fax: 888-300-9160
E-Mail: info@coltonind.com
Website: www.coltonind.com
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Model '250BDV'

Available in sizes 1-1/4" to 2" with threaded ends for maximum operating pressures as follows:
PMO: (Maximum Operating Pressure)
250 psi @ 406 deg. F.

Materials of Construction:
  • Body: Cast Iron
  • Disc: Stainless Steel
  • Stem: Brass
  • Stem Packing: Graphite
Features:
  • Meets ASME Sect. I and ANSI B31.1 codes for boiler blowdown
Unit of Measure

Specifications

Size

 50 mm2 in

H

 118 mm4 5/8 in

L

 305 mm12 in

Weight

 13.2 kg29 lb

Maximum Operating Pressure PMO

 250 psi at 406 ºF

Inlet Body Material

 Cast Iron ASTM-A126

Outlet Body Material

 Cast Iron ASTM-A126

Stem Material

 Brass

Stem Spring Material

 Stainless Steel AISI 302

Stem Pivot Material

 Stainless Steel AISI 420

Disc Material

 Stainless Steel AISI 420

Disc Spring Material

 Stainless Steel AISI 302

Disc Holder Stem Material

 Cast Iron ASTM-A126

Body Bolts Material (10)

 Carbon Steel Grade 2

Body Nut Material

 Carbon Steel

Body Gasket Material

 Graphite

Handle Material

 Ductile Iron

Stem Packing Material

 Graphite