Colton Industries - Quick Opening Blowdown Ball Valve

250BDV Series - PRODUCT DATA BULLETIN
250BDV Series - INSTALLATION, OPERATION AND MAINTENANCE MANUAL

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

Quick Opening Blowdown Ball Valve - Dimensions

Unit of Measure

Items	250BDV-1 1/4 Quick Opening Blowdown Ball Valve	250BDV-1 1/2 Quick Opening Blowdown Ball Valve	250BDV-2 Quick Opening Blowdown Ball Valve
Size	N/A 32 mm1 1/4 in	N/A 40 mm1 1/2 in	N/A 50 mm2 in
H	N/A 92 mm3 5/8 in	N/A 115 mm4 1/2 in	N/A 118 mm4 5/8 in
L	N/A 270 mm10 5/8 in	N/A 280 mm11 in	N/A 305 mm12 in
Weight	N/A 5.9 kg13 lb	N/A 10.5 kg23 lb	N/A 13.2 kg29 lb
Maximum Operating Pressure PMO	N/A 250 psi at 406 ºF
Inlet Body Material	N/A Cast Iron ASTM-A126
Outlet Body Material	N/A Cast Iron ASTM-A126
Stem Material	N/A Brass
Stem Spring Material	N/A Stainless Steel AISI 302
Stem Pivot Material	N/A Stainless Steel AISI 420
Disc Material	N/A Stainless Steel AISI 420
Disc Spring Material	N/A Stainless Steel AISI 302
Disc Holder Stem Material	N/A Cast Iron ASTM-A126
Body Bolts Material (10)	N/A Carbon Steel Grade 2
Body Nut Material	N/A Carbon Steel
Body Gasket Material	N/A Graphite
Handle Material	N/A Ductile Iron
Stem Packing Material	N/A Graphite