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Screw
Tips
Ring
valves - Ball Check valves
Ring Valves
Specifically engineered to meet the needs of the Injection Molding Industry, EMI Ring Valves meet or exceed OEM specifications.
Need help choosing a valve? Call us at 800-543-6169 and ask to speak to a member of our experienced engineering staff or see choosing a non return valve
http://www.emicompanies.net/article_non-return_valves_imm.htm
Ring
Valve Styles
Screw
Tip - order/quote form. pdf |
|
Free
Flow  This is the only true 100% free-flow ring-valve! |
|
Control
Flow |
When independently tested against 5 other best selling ring valves, the Control Flow valve tested at the top in almost all of the categories tested. Especially outstanding was the cushion position test with less than .003 inches of deviation. |
Four
Piece |
#1
in Cushion consistency...Plastics
Product Review Five generous flow paths for the melt minimize the risk of shear burning. If the check ring’s front seat begins to wear, that’s all you have to replace...you’re back up and running fast without replacing the whole assembly. For general purpose resins, some engineered and fiber-filled materials. Good screw recovery rates, fast shut off and four times the seating area of a ball check, resulting in more positive seating force. Standard: H-13 tool steel, nitrided.Optional: CPM 9V front seat, ring and seat hardened to R/C 54-56. |
Interlocking |
EMI’s Interlocking check ring valve is a great design choice for general-purpose material applications. Self-cleaning flow paths provide for quick material changes and the ring rotates with the valve body to aid in reduction of any possible flute wear during processing. Standard: H-13 Tool Steel and Nitrided. Optional: CPM-9V tool steel and CPM-420V Stainless Steel. Consult EMI for assistance in selecting the right construction for your application. |
Carbide
Inserts  Click
on pictue for larger view |
Extended life Carbide Insert valves provide many profit boosting benefits. 3 piece, 4 fluted Carbide Insert valves are made of H-13 and features carbide inserts at the base of each flute. Inserts protrude slightly from the flute allowing the inserts to ride against the ring rather than the flute itself - this has proven to be extremely effective in preventing wear in this area (95% of all valve wear is usually seen in the flute area). Note: Carbide inserts protect only the flute area, however, adhesion wear (gauling) throughout the valve is usually very minor, resulting in less than 5% of valve replacement. |
Generous,
self-cleaning flow paths minimize residence time, provide
excellent screw recovery rates and allow color changes to
be made easily. Highly polished radiused surfaces and an
exceptionally non-compressive design make it an excellent
choice when running shear, compression-sensitive, or fiber
filled materials. Standard: H-13 tool steel, nitrided.
Optional: 440C stainless steel, CPM 9V tool steel, CPM-T420V
stainless steel. 
Screw
Tips
Ring valves
- Ball Check valves
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|
| © 2007 EMI Plastics Equipment. All rights reserved. | Contact us at 800-543-6169 or Sales@EMIplastics.com |