RD-31N, 31FN, 33FN Cast bronze, Direct operating type Pressure Reducing Valve

Model	RD-31N	RD-31FN	RD-33FN
Size	15 - 50	25 - 50	65 - 150
Applicable fluid	Water, hot water, air and inert gases
Applicable primary pressure	Max. 1.0MPa
Adjustable secondary pressure	Spring range L : 0.05 - 0.35MPa H : 0.3 - 0.7MPa over size 125 mm : 0.3 - 0.5MPa
Maximum reducing rate	10 : 1
Minimum pressure differential across the disc	0.05MPa
Materials	Body : Cast bronze Diaphragm and Disc : NBR
End connection	Screwed JIS Rc	Flanged JIS 10KFF