Hand Switching Valve: *Same style as SMC; *Handsome shape,steady performance,long service life; *Best price&good quality. Specification of hand rotary valve:ModelHV400-02HV400-03HV400-04K34R8-L6K34R8-L8MediumAirOrifice Size30 mm218 mm2Port SizeG1/4G3/8G1/2G1/8G1/4Pressure Range0~8bar (0~116.03psi)Temperature Range0~ 60oC (32~140oF) Hand rotary valve, Hand switching valve(SMC type)