Type 70 T70 High Flow Air Pressure Regulator
Brand: Marsh Bellofram Group of CompaniesThe Type 70 Regulator is specifically designed for applications that require substantial flow capacity and accurate pressure controls. Flows of 80 SCFM (2250 LPM) can be attained.
Downstream pressure can be set within 0.25 in. (6.3 mm) of water column and is accurately maintained under varying flow conditions with the help of an aspirator tube which adjusts the air supply in accordance with the flow velocity. A balanced supply valve, utilizing a rolling diaphragm, makes the regulator virtually immune to changes in supply pressure.
The Type 70 has a rugged precision die cast aluminum housing, and is pressure-tested and chromatetreated for internal corrosion resistance. The regulator housing is finished with vinyl paint which resists scratching, weathering and other physical abuse.
Features
- High Flow Capacity – Up to 80 SCFM (2,266 LPM)
- Responds Quickly to Minute Changes in Downstream Pressure
- Dampening Action of Aspirator Tube Maintains Downstream Pressure
- Honking & Buzzing Eliminated By Action of Integral Baffle and Aspirator Tube
- Stack-up Construction Can Be Disassembled & Serviced without Removal from Air Line
- Optional Versions Include: Non-Relieving, Corrosive Resistant Epoxy Finish, Tapped Vent, Mounting Brackets, Pressure Gauge, Low Bleed, Check Valve
Specifications
Sensitivity
- 1/4" (6.4 mm) Water Column
Flow Capacity
- 80 scfm (2,266 LPM)
- 50 scfm (1,416 LPM)
- 40 scfm (1,113 LPM)
Effect of Supply Pressure Variation (25 psig) on Outlet Pressure
- Type 70: < 0.025 psig (1.7 bar)
Exhaust Capacity (5 Above psig 20 psig Set Point)
- Type 70: 4 scfm (113 LPM)
Maximum Supply Pressure
- 250 psig (17.2 bar)
Effect of Changes in Flow on Regulated Pressure (100 psig / 6.9 bar Supply)
- Type 70: 2.5 psig (0.2 bar) over flow 50 scfm (1416 LPM) (3/8" NPT, 0-30 psig / 0-2.1 bar Range, 15 psig / 1 bar Set Point)
Output Pressure Ranges
- 3-200 psig (0.2-13.8 bar)
- 2-150 psig (0.1-10.3 bar)
- 1-60 psig (0.1-4.1 bar)
- 0 to 30 psig (0 to 2.1 bar)
- 0-10 psig (0-0.7 bar)
- 0 to 2 psig (0 to 0.1 bar)
Total Air Consumption at Maximum Output
- Type 70: 1.0 to 12.5 SCFH (0.5-6 LPM)
Temperature Range
- -40° to 200° F (-40° to 93° C)
Port Size
- 1/4" BSPT, 3/8" BSPT, 1/2" BSPT
- 1/4" NPT, 3/8" NPT, 1/2" NPT
Materials of Construction
- Spring: Music wire
- Knob: Phenolic Plastic
- Diaphragm: Buna-N with Polyester Fabric
- Trim: Plated Steel, Brass, Acetal Resin
- Adjusting Screw: Plated Steel
- Body: Die Cast Aluminum with vinyl Paint
Size
- 3.0" x 3.0" x 6.0" (76 x 76 x 152 mm)
Weight
- Type 70: 1.41 lb (0.6 kg)
- Type 70BP: 1.5 lb. (0.7 kg)
Preset Pressure
- No
Tamper Resistant Cover
- Yes
Mounting
- Pipe
- Panel
- Bracket
- Large Flow Actuation
- High-flow Louvers
- Rollers & Winders
- High-flow Control Loops
- Calibration Loops
- Inert Gases
- Medical Ventilation
- Lab Analysis Equipment
- Machine Control
- QC Operations
- Any OEM or Industrial Pressure Regulator Application Where A High Degree of Accuracy Is Required