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High Pressure Check Valves |
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Ball check valves prevent reverse flow where leak-tight shutoff is not necessary. Standard materials of construction are 316
stainless steel with I 7-4PH poppet for longer life, and 300 series stainless steel spring.
Note: For 316ss wetted parts, add -316WP to the catalogue number.
Cracking pressure: 15 PSI (1 bar) approximate
Operating Temperature Range:
-420° to +1200°F (-251° to +648°C)
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To order a valve with a cracking pressure other than the standard 15 PSI,
add the cracking pressure to the end of the catalogue number.
Example: A 60BC9 with 50 PSI cracking pressure would be ordered as 60BC9-50.
Cracking pressures available up to 100 PSI (7 bar)
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O-ring check valves reliably prevent backflow where leak-tight shutoff for liquids or gases is required. Standard materials of construction are 316 stainless steel with Buna-N 0-ring and 300 series stainless steel spring.
Cracking pressure: 15 PSI (1 bar) approximate.
Operating Temperature Ranges:
| O-ring material | Operating temperature range | Catalogue Suffix |
| Buna-N | -65° to +250°F (-54° to +121°C) | --- |
| Viton | -40° to +500°F (-40° to +260°C) | -VA |
| Teflon | -320° to +400°F (-195° to +204°C) | -TFE |
| Kalrez | -20° to +550°F (-29° to +288°C) | -HT |
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To order a valve with a cracking pressure other than the standard 15 PSI,
add the cracking pressure to the end of the
catalogue number. Example: A 60SC4 with 40 PSI cracking pressure would be ordered
as 60SC4-40.
Cracking pressures available up to 100 PSI (7 bar)
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