| Items |
 ZC-31-0-10/32-BR-BN Check Valves; Threaded insert, Threaded insert with nose seal |
ZC-31-0-10/32-BR-SS Check Valves; Threaded insert, Threaded insert with nose seal |
 ZC-31-0-10/32-SS-BN Check Valves; Threaded insert, Threaded insert with nose seal |
ZC-31-0-10/32-SS-SS Check Valves; Threaded insert, Threaded insert with nose seal |
ZMC-20-0-M3.5-BR-SS Check Valves; Threaded insert, Threaded insert with nose seal |
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| Ball Material | Buna-N | 302 SS | Buna-N | 302 SS | 440C-SS | |||||
| Orifice Diameter | 0.031 in | 0.031 in | 0.031 in | 0.031 in | 0.02 in0.51 mm | |||||
| Material | Brass | Brass | 303 SS | 303 SS | Brass | |||||
| Nominal Orifice Size | 31 | 31 | 31 | 31 | 20 | |||||
| CV | 0.02 | 0.02 | 0.02 | 0.02 | 0.0088 | |||||
| Maximum Temperature | 180 ºF | 300 ºF | 180 ºF | 300 ºF | ||||||
| Maximum Operating Pressure | 125 psig | 500 psig | 125 psig | 1000 psig | ||||||
| Nose Diameter | 0.125 in | 0.125 in | 0.125 in | 0.125 in | 2.29 mm | |||||
| Thread Size | 10-32 | 10-32 | 10-32 | 10-32 | M3.5 | |||||
| Width Across Flats (Hex) | 3/32 in | 3/32 in | 3/32 in | 3/32 in | 2 mm | |||||
| Total Length | 0.425 in | 0.425 in | 0.425 in | 0.425 in | 7.87 mm | |||||
| Thread | Male | |||||||||
| HEX Type | Internal | |||||||||
| Thread Length | 0.320 in | 0.320 in | 0.320 in | 0.320 in | ||||||
| Connection A | 10-32 UNF Threaded Insert | 10-32 UNF Threaded Insert | 10-32 UNF Threaded Insert | 10-32 UNF Threaded Insert | M3.5 Threaded Insert | |||||
| Screened | None | |||||||||
| Seat Leakage | 6 SCCM (max.) air flow at greater than 50 psi differential | 20 SSCM (max.) air flow at 25 psi differential | 6 SCCM (max.) air flow at greater than 50 psi differential | 20 SSCM (max.) air flow at 25 psi differential | 20 SSCM (max.) air flow at 25 psi differential | |||||
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