Quick Opening Blowdown Ball Valve
Quarter-Turn Valves
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
- Meets ASME Sect. I and ANSI B31.1 codes for boiler blowdown
| 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 |
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| Size | 32 mm1 1/4 in | 40 mm1 1/2 in | 50 mm2 in | |||
| H | 92 mm3 5/8 in | 115 mm4 1/2 in | 118 mm4 5/8 in | |||
| L | 270 mm10 5/8 in | 280 mm11 in | 305 mm12 in | |||
| Weight | 5.9 kg13 lb | 10.5 kg23 lb | 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 | |||||
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