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3503 series valves design specifications include:

- Sizes: 1”
- Differential Operating Pressure: 5-150 PSID
- Flow Rates: 9.00, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 18.0, 20.0, 22.0, 24.0 GPM
- Flow Accuracy: +/- 10%
- Maximum Operating Temperature: 225°
- Valves are marked with flow direction arrows, size and flow rate.
- Hydrostatic Tested @ 450 psi
- Service Kits Available
- Tested to Military Standards
- Body is available in C83600 & S31603
- Connections are available with Silver Braze (C83600 & C90300) or Socket Weld End (C96200, C71500, & S31603)
- Approximate weight: 6.20 lbs