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The Type 51FRCT High-Performance Low-Cost Precision Air Regulator from Marsh Bellofram offers a high-performance in a compact, economic package, offering output pressure ranges to 100 psig; 6.9 BAR (120 psig; 8.3 BAR in T-51FR Corrosive Tec & T51FRWT). The 51FRCT comes with an NACE construction and a fluorocarbon pintle seat.
The maximum supply pressure is 250 psi (17.3 BAR) and is designed with an aluminum alloy bonnet, body, and filter bowl, 316 stainless steel internals, Inconel alloy range spring, nitrile diaphragm (fluorocarbon optional), 316 stainless steel valve assemblies, and finished with epoxy paint. All metallic parts for this unit conform to NACE material requirements #MR-01-75.
The Type 51FRCT versatile regulator offers top of the line regulation for a wide range of applications, including pneumatic instruments, controllers, chucks, and actuators. They can be through-panel mounted with the supplied mounting nut, bracket-mounted with the optional bracket or, due to their light weight, mounted by their ports. The Corrosive Tec is supplied with a tapped bonnet vent, to allow for the capture of exhaust air.
| Type 51R | Type 51FR Filter Type 51AFR Auto Filter | Type 51FRCT Corrosive Tec | Type 51FRWT | |
| Maximum Supply Pressure | 250 PSIG (17.3 BAR) | 250 PSIG (17.3 BAR) | 250 PSIG (17.3 BAR) | 250 PSIG (17.3 BAR) |
Output Pressure Range | 0-30 PSIG (0-2.1 BAR) 0-60 PSIG (0-4.1 BAR) 0-100 PSIG (0-6.9 BAR) | 0-30 PSIG (0-2.1 BAR) 0-60 PSIG (0-4.1 BAR) 0-100 PSIG (0-6.9 BAR) | 0-30 PSIG (0-2.1 BAR) 0-60 PSIG (0-4.1 BAR) 0-120 PSIG (0-8.3 BAR) | 0-30 PSIG (0-2.1 BAR) 0-60 PSIG (0-4.1 BAR) 0-120 PSIG (0-8.3 BAR) |
| Supply Pressure Sensitivity @ 25 psig / 1.7 BAR change in supply | 0.20 PSIG (0.01 BAR) output change | 0.45 PSIG (0.03 BAR) output change | 0.45 PSIG (0.03 BAR) output change | 0.45 PSIG (0.03 BAR) output change |
| Sensitivity | 1" (2.5 cm) of water | 1" (2.5 cm) of water | 1" (2.5 cm) of water | 1" (2.5 cm) of water |
| Repeatability | 0.1 PSIG (0.01 BAR) | 0.1 PSIG (0.01 BAR) | 0.1 PSIG (0.01 BAR) | 0.1 PSIG (0.01 BAR) |
| Flow @ 100 psig (6.9 BAR) Supply 20 psig (1.4 BAR) outlet | 15 SCFM (425 LPM) | 20 SCFM (566 LPM) | 20 SCFM (566 LPM) | 20 SCFM (566 LPM) |
| Exhaust Capacity @ 5 psig (0.34 BAR) above setpoint | 0.1 SCFM (2.8 LPM) | 0.1 SCFM (2.8 LPM) | 0.1 SCFM (2.8 LPM) | 0.1 SCFM (2.8 LPM) |
| Temperature Range | -0 to 125 °F (-18 to 52 °C) | -0 to 125 °F (-18 to 52 °C) | 0 to 180 °F (-18 to 82 °C) | -40 to 185 °F (-40 to 85 °C) |
| Air Consumption | 6 SCFH (2.84 LPM) Maximum | 6 SCFH (2.84 LPM) Maximum | 6 SCFH (2.84 LPM) Maximum | 6 SCFH (2.84 LPM) Maximum |
| Port Size | 1/4 NPT | 1/4 NPT | 1/4 NPT | 1/4 NPT |
| Materials of Construction | Aluminum, Plated Steel, Brass, Acetal Resin, Buna-N /Polyester, Music Wire | Aluminum, Plated Steel, Acetal Resin, Buna-N / Polyester, Music Wire, Fluorocarbon | Aluminum, Stainless Steel, Inconel, Buna-N / polyester, Fluorocarbon, acetal, polyphenylene sulfide | Aluminum, Plated Steel, Acetal Resin, Buna-N /Polyester, Music Wire |
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