Ross Asia No. 2151B3001/2151B3002 Inline poppet valve with extended temperature range

Made in Japan
Manufacturer : Ross Asia
Model : No.2151B3001/2151B3002

1/4″ to 1 1/2″ port sizes
2, 3, or 4-way valve
Hot and cold applications
Easily adapted for vacuum service
Extreme temperature range options up to 300°F (150°C) on pressure control models Down to -40°F (-40°C) with Buna-N seals

Explanation	21 Series High Temperature 2/2 Single Pilot Valve, Normally Closed, 3/8″ NPT (In-Out)	21 Series Cryogenic 2/2 Single Pilot Valve, Normally Closed, 3/8″ NPT (In-Out)
Valve type	Direction control	direction control
Series	21	21
Application	High temperature	low temperature
Actuation	Air pressure	air pressure
Function	2/2 single pilot	2/2 single pilot
Initial position	Normally closed	normally closed
Return	Spring	spring
Thread type	NPT	NPT
Construction	Poppet	poppet
Attachment	In line	in line
Pilot type	External	external
Size	3/8	3/8
Duty class	Continuous work	continuous work
Ambient temperature	0 to 250°F (-17 to 122°C)	-40 to 120F (-40 to 50C)
Medium temperature	0 to 300F (-17 to 150C)	-40 to 175F (-40 to 80C)
Fluid medium	Filtered air	filtered air
Working pressure	30-150 psig (2-10 bar)	30-150 psig (2-10 bar)
Minimum pilot supply	Above inlet pressure	above inlet pressure
Length	3.56 inches (90mm)	3.56 inches (90mm)
Width	3.11 inches (79mm)	3.11 inches (79mm)
Height	3.71 inches (94mm)	3.71 inches (94mm)
Weight	1.8 lbs (0.8 kg)	1.8 lbs (0.8 kg)
Valve body material	Cast aluminum	cast aluminum
Poppet/spool material	Aluminum and stainless steel	aluminum and stainless steel
Seal material	Fluorocarbon	Fluorocarbon
inlet pipe size	3/8″	3/8″
Outlet pipe size	3/8″	3/8″
Average resume	3.8	3.3

Japan, Ross Asia