J-Kem Scientific Kem-Lab 3300 Digital Temperature Controller Timer, Kls-150/T

Item Specs:

Pressure: 25 to 250 psi on the main body of the valve.
Vacuum: The five main ports can be operated on industrial vacuum to 28" Hg, based on a 30" barometer.
Temperature: -20°F to 250°F. Caution: If it is possible that the ambient temperature may fall below freezing, the medium must be moisture free to prevent internal damage or unpredictable behavior.
Mounting: The spool is friction positioned so the valve must be mounted with the spool in a horizontal orientation.
O-Rings: Viton.
Materials: Black anodized 6061-T6 aluminum body, hard anodized aluminum spool, steel end cap, composite gaskets, steel fasteners, steel stud.
Flow: 73.9 SCFM, 1.6 Cv
Repair Kit: ERKV-3.
3-Way or 5-Way: While this valve is basically 4-way, it can be used for 5-way service by using ports 2 or 4 as an inlet, or 3-way service by plugging the unused port 2 or 4.
Fluid Media: Soft seal models are made for air, vacuum, and gases compatible with component materials. They should not be used with liquids. 
Weight: 1.30 lbs.