Product details design features y, Pattern and one piece casting body bolted cover with blow off connection strainer body meets applicable asme standard upper and lower machined seats ss 304 screens are standard drain/ blow, Off connection furnished with plug as standard straining area nominal flow area 3 1 minimam properly proportioned straining chamber to minimize initial pressure drop while maximizing time between cleanings conformity to standard & codes design standard asme b16. 34 one-on-one dimension din 3202 f1 end detail flanged ends to asme b16. 5 150# bs 10 table e valve Assessment of API 598