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2 VALVES VAL-314 For further information www.norgren.com Vacuum Service KIP Series valves and manifolds are ideal for vacuum service and for those special 3-way valve applications that require vacuum on one port and pressure on another port. Valve construction is compatible with vacuum systems as high as 10-6 TORR. Surface Treatment Services IMI Norgren offers several different surface treatment services that assist in cleaning and or protecting the valve and manifold surfaces. These treatments are: • Citric passivation process which assists in reducing the corrosion on stainless steel. • Nitric passivation process also assists to keep stainless steels from corroding, but is considered more invasive than the citric passivation process. • Electro-polishing process which removes a top layer of metal material of approximately .0005" - .0007". • Anodizing process puts a proactive coating (approximately .0003" to .0005") of oxidation in the exterior to protect against further oxidation. The covalent bonding of the exterior adds a surface that is much harder than the base material. • Hard-coat anodizing process puts a proactive coating (approximately .0008" to .0010") of oxidation on the exterior from some wear and abrasion. • Oxygen cleaning process is used to further clean wetted valve com- ponents for gaseous or liquid oxygen systems. The oxygen cleaning process removes all residual contaminates, hydrocarbons, and other cleaning agents. After parts are oxygen cleaned, precautions should be taken to endure the parts remain clean. Extended Flow Capabilities IMI Norgren can increase the flow (Cv) capability of any of its valves by modifying the mechanical and electrical components of the valve. In many cases the pressure ratings (MOPD) of the valve must be reduced to achieve the higher flow rate (Cv). When your flow requirements exceed the catalog ratings, consult IMI Norgren for application engineering assistance. Extended Pressure Ratings Solenoid valves can be modified to increase pressure ratings (MOPD) above the standard ratings listed in the catalog. If agency approvals are necessary, consultation with UL and/or CSA is required. Consult IMI Norgren with all your design parameters to determine the feasibility of extending the pressure ratings. Quiet Valves Solenoid valves have a distinct click that is inherent to their design when the two metal parts make contact. IMI Norgren offers a bumper or special plunger design for OEM's that will provide a metal to elastomer contact, thus muffling the sound. In addition to providing quiet operation, this feature also extends the life of the moving parts. Quiet valves are available on 2-way and 3-way valves, DC voltage only. Contact IMI Norgren for additional information on our quiet valve option. Agency Approvals IMI Norgren products conform to agency approvals such as UL, cURus, CSA and NSF International. All standard products are RoHS compliant. The approvals are restricted to certain products and specific applications. When any agency endorsement is dictated for an operation, refer to the application inquiry sheets for each product specified. The sheets are located in the back of the catalog. If additional information is needed, please contact IMI Norgren. Low Wattage Operators, Valves and Manifolds IMI Norgren offers the option of low wattage coils, as low as 1.5 watts, on many of our standard valves. These coils offer high pressure (MOPD) operation at low current levels. • Available in both 2-Way and 3-Way models in Series 1, Series 2, and Series 3. • Orifice sizes from 1/32" to 5/32". • Available in 12 VDC and 24 VDC. • Refer to IMI Norgren solenoid valve charts for wattage, pressure ratings and Cv factors. KIP Series 1, 2 and 3 offer selective models with wattage ratings from 1.5 watts to 3 watts. After reviewing the pressure rating (MOPD) of your particular valve in the part number section, you may add an (A) - 1.5 watts, (B) - 2.0 watts, (C) - 2.5 watts, or a (D) - 3.0 watts as a prefix to the part number. It is important to note that there is a reduced pressure rating from the standard when a reduced wattage coil is used. For the OEM, IMI Norgren can design and manufacture a custom coil to meet your specific flow and pressure requirements at close to standard pricing. When 1.5 watts is not low enough, you can select a valve from the Series 9 product line which goes as low as .65 watts while still maintaining significant flow and pressure specifications. Custom Capabilities Manifolds