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F| Style | Model | Body Size | Inlet Port Size | Max. Operating Pressure | Max. Working Pressure | Port | Price | |
|---|---|---|---|---|---|---|---|---|
| A | DT-1250-MSMS-5 | 1 1/4" | 1 11/16-12 UN | 4000 psi | 4000 PSI | 1 11/16-12 UN | £259.47 | |
| B | DT-1250-MOMF-5 | 1 1/4" | 1 5/8-12 UN | 2500 psi | 2500 PSI | 1 5/8-12 UN | £299.07 | |
| C | DT-1250-MSMO-5 | 1 1/4" | 1 11/16-12 UN | 4000 psi | 4000 PSI | 1 5/8-12 UN | £246.99 | |
| D | DT-1250-MFMO-5 | 1 1/4" | 1 5/8-12 UN | 2500 psi | 2500 PSI | 1 5/8-12 UN | £254.05 | |
| E | DT-1250-MFMF-5 | 1 1/4" | 1 5/8-12 UN | 2500 psi | 2500 PSI | 1 5/8-12 UN | £304.75 | |
| F | DT-1250-MOMS-5 | 1 1/4" | 1 5/8-12 UN | 4000 psi | 4000 PSI | 1 11/16-12 UN | £259.78 | |
| D | DT-1000-MFMO-5 | 1" | 1 5/16-12 UN | 3000 psi | 3000 psi | 1 5/16-12 UN | £177.09 | |
| E | DT-1000-MFMF-5 | 1" | 1 5/16-12 UN | 3000 psi | 3000 psi | 1 5/16-12 UN | £168.35 | |
| F | DT-1000-MOMS-5 | 1" | 1 5/16-12 UN | 5000 psi | 5000 psi | 1 7/16-12 UN | £153.88 | |
| A | DT-1000-MSMS-5 | 1" | 1 7/16-12 UN | 5000 psi | 5000 psi | 1 7/16-12 UN | £170.40 | |
| C | DT-1000-MSMO-5 | 1" | 1 7/16-12 UN | 5000 psi | 5000 psi | 1 5/16-12 UN | £167.31 | |
| B | DT-1000-MOMF-5 | 1" | 1 5/16-12 UN | 3000 psi | 3000 psi | 1 5/16-12 UN | £169.02 | |
| D | DT-500-MFMO-5 | 1/2" | 3/4-16 UNF | 4500 psi | 4500 PSI | 3/4-16 UNF | £105.61 | |
| E | DT-500-MFMF-5 | 1/2" | 3/4-16 UNF | 4500 psi | 4500 PSI | 3/4-16 UNF | £105.30 | |
| C | DT-500-MSMO-5 | 1/2" | 13/16-16 UN | 5000 psi | 5000 psi | 3/4-16 UNF | £114.87 | |
| B | DT-500-MOMF-5 | 1/2" | 3/4-16 UNF | 4500 psi | 4500 PSI | 3/4-16 UNF | £87.74 | |
| F | DT-500-MOMS-5 | 1/2" | 3/4-16 UNF | 5000 psi | 5000 psi | - | £107.18 | |
| A | DT-500-MSMS-5 | 1/2" | 13/16-16 UN | 5000 psi | 5000 psi | - | £96.61 | |
| C | DT-750-MSMO-5 | 3/4" | 1 3/16-12 UN | 5000 psi | 5000 psi | 1 1/16-12 UN | £125.48 | |
| B | DT-750-MOMF-5 | 3/4" | 1 1/16-12 UN | 3500 psi | 3500 psi | 1 1/16-12 UN | £126.46 | |
| D | DT-750-MFMO-5 | 3/4" | 1 1/16-12 UN | 3500 psi | 3500 psi | 1 1/16-12 UN | £144.40 | |
| A | DT-750-MSMS-5 | 3/4" | 1 3/16-12 UN | 5000 psi | 5000 psi | 1 3/16-12 UN | £141.39 | |
| E | DT-750-MFMF-5 | 3/4" | 1 1/16-12 UN | 3500 psi | 3500 psi | 1 1/16-12 UN | £133.76 | |
| F | DT-370-MOMS-5 | 3/8" | 9/16-18 UNF | 5000 psi | 5000 psi | - | £90.22 | |
| B | DT-370-MOMF-5 | 3/8" | 9/16-18 UNF | 5000 psi | 5000 psi | - | £88.26 | |
| D | DT-370-MFMO-5 | 3/8" | 9/16-18 UNF | 5000 psi | 5000 psi | - | £88.68 | |
| A | DT-370-MSMS-5 | 3/8" | 11/16-16 UN | 5000 psi | 5000 psi | - | £106.54 | |
| E | DT-370-MFMF-5 | 3/8" | 9/16-18 UNF | 5000 psi | 5000 psi | - | £97.69 | |
| C | DT-370-MSMO-5 | 3/8" | 11/16-16 UN | 5000 psi | 5000 psi | - | £84.80 | |
| A | DT-620-MSMS-5 | 5/8" | 1-14 UNS | 5000 psi | 5000 psi | 1-14 UNS | £228.69 | |
| D | DT-620-MFMO-5 | 5/8" | 7/8-14 UNF | 3500 psi | 3500 psi | - | £204.00 | |
| B | DT-620-MOMF-5 | 5/8" | 7/8-14 UNF | 3500 psi | 3500 psi | - | £213.33 | |
| F | DT-620-MOMS-5 | 5/8" | 7/8-14 UNF | 5000 psi | 5000 psi | 1-14 UNS | £225.24 | |
| E | DT-620-MFMF-5 | 5/8" | 7/8-14 UNF | 3500 psi | 3500 psi | - | £221.16 |
Parker DT Series check or one-way valves are installed in pipelines to prevent backflow and ensure efficient operation. They feature all steel construction to resist corrosion and a one piece body design to eliminate threads & seals, thus preventing leakage and allowing smooth flow by isolating the poppet springs from the streams. They have chromium 6 free plating on exterior parts to increase hardness & durability, and UN, UNF & UNS inlet ports for improved fatigue resistance. Choose from a wide range of these valves, available in operating pressure up to 4500 psi.