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CORA Valve Recommended Maintenance Guidelines
Dear Valued CORA Ultra-Sanitary Butterfly Valve Customer,
To maintain proper operation of your CORA Ultra-Sanitary Butterfly Valves, we recommend that you have a few wear parts stored in your inventory for installation when needed.
The two main components within the CORA valves that we recommend you keep in stock are:
- Main Body Compression Seal
(item #1 on the sketch below)
- PTFE Shaft Bushings
(item #4 on the sketch below)
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Exploded view of typical Cora Models CV, SV, and RV sanitary valve:
PARTS:
2. BODY HALVE
3a. BUTTERFLY DISC, FLAT VANE, MODEL CV
3b. BUTTERFLY DISC, FLEXIBLE VANE, MODEL SV
3c. BUTTERFLY DISC, MULTI-VANE, MODEL RV
4. PTFE BUSHING SET, 3 PIECES
5a. ACTUATOR SUPPORT, ISO DRILL PATTERN
5b. LEVER SUPPORT
6. OPERATING LEVER, WITH POSITION LOCKING PIN
7. PNEUMATIC ACTUATOR, D/A OR S/R, ANODIZED ALUMINUM BODY
8. CLAMP BAND
Below is a chart with the expected life cycle (based on in-house lab testing):
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Seal Material
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Cycles
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Silicone
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20,000
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EPDM
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15,000
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PTFE
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15,000
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Note: The PTFE shaft support bushings have an expected life of 20,000 cycles.
TO ORDER OR IF YOU HAVE ANY QUESTIONS, PLEASE CONTACT:
JOHN CEBULA, CORA TECHNICAL SALES & SUPPPORT
PHONE: 609-619-3685 X209
CLICK HERE to view part numbers for CORA Valve normal wear parts.
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