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
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Unit of Measure
Items
Quick Opening Blowdown Ball Valve

Quick Opening Blowdown Ball Valve
Quick Opening Blowdown Ball Valve

Quick Opening Blowdown Ball Valve
Quick Opening Blowdown Ball Valve

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