Type 330/335/340/345 Instrument Air Filter Regulator Series


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The Type 330/335/340/345 Series of Instrument Air Filter Regulators, Air Regulators and Filters are designed to provide clean, accurate air pressure to instruments, valves, and other automatic control equipment in a lightweight, compact housing. These quality instruments are constructed of durable materials that will provide long lasting corrosion resistance in harsh industrial environments.
The Type-330 Filter Regulator with Automatic Drain automatically flushes out condensate waste liquid when a change in air flow occurs or when the supply pressure is reduced. The low maintenance Automatic Drain helps prolong the life of the regulator and filter by preventing corrosion on the bottom of regulator and reducing the load of the filter.
Materials in the Type-335 NACE Filter Regulator meet NACE MR-0175 requirements (available in 1/4" only).
 



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The Type 330/335/340/345 Series of Instrument Air Filter Regulators, Air Regulators and Filters are designed to provide clean, accurate air pressure to instruments, valves, and other automatic control equipment in a lightweight, compact housing. These quality instruments are constructed of durable materials that will provide long lasting corrosion resistance in harsh industrial environments.
The Type-330 Filter Regulator with Automatic Drain automatically flushes out condensate waste liquid when a change in air flow occurs or when the supply pressure is reduced. The low maintenance Automatic Drain helps prolong the life of the regulator and filter by preventing corrosion on the bottom of regulator and reducing the load of the filter.
Materials in the Type-335 NACE Filter Regulator meet NACE MR-0175 requirements (available in 1/4" only).
 

Auto drain: 32° to 160° F (0° C to 71° C)

 

TYPE-330

TYPE-335

TYPE-340

TYPE-345

In/Out Port Size (Gauge Ports 1/4 NPT)

1/4"NPT

1/2"NPT

1/4"NPT

1/4"NPT

1/2"NPT

1/4"NPT

1/2"NPT

Output Ranges

0-30 psig (0-2BAR) 0-60 psig (0-4 BAR) 0-120 psig (0-8 BAR)

0-30 psig (0-2BAR) 0-60 psig (0-4 BAR) 0-100 psig (0-7 BAR)

0-30 psig (0-2BAR) 0-60 psig (0-4 BAR) 0-120 psig (0-8 BAR)

N/A

Maximum Supply Pressure

Manual drain: 250 psig (17 BAR) Auto drain: 150 psig (10 BAR)

Manual drain only: 250 psig (17 BAR)

Manual drain: 250 psig (17 BAR)

Manual drain: 250 psig (17 BAR) 
Auto drain: 150 psig (10 BAR)

Mounting

Pipe, bracket or through body direct

Filter

40 micron (5 micron optional)

None

40 micron (5 micron optional)

Cv Values

0.5 at 150 psig supply and 80 psig setpoint

2.5 at 150 psig supply and 80 psig setpoint

0.5 at 150 psig supply and 80 psig setpoint

0.5 at 150 psig supply and 80 psig setpoint

2.5 at 150 psig supply and 80 psig setpoint

0.5 at 150 psig supply and 80 psig setpoint

2.5 at 150 psig supply and 80 psig setpoint

Exhaust Capacity

0.1 scfm (2.83 Nl/min) with downstream pressure 5 psig (0.3 BAR) above set point

N/A

Sensitivity

1" of water

N/A

Air Consumption

Less than 5 scfh (2.5 Nl/min)

N/A

Effect of Supply Pressure Variation

Less than 0.25 psig (0.017 BAR) for 25 psig (1.7 BAR) change

Less than 0.5 psig (.035 BAR) for 25 psig (1.7 BAR) change

Less than 0.25 psig (0.017 BAR) for 25 psig (1.7 BAR) change

Less than 0.25 psig (0.017 BAR) for 25 psig (1.7 BAR) change

Less than 0.5 psig (.035 BAR) for 25 psig (1.7 BAR) change

N/A

Temperature Limits

Manual drain: 0° to 160° F (-18° C to 71° C)
Autodrain: 32° to 160° F (0° C to 71° C) 
Low Temperature Option: -62° to 194° F (-52° C to 90° C)

Manual drain: -20° to 180° F (-29° C to 82° C)        

0° to 160° F (-18° C to 71° C)        

Manual drain: 0° to 160° F (-18° C to 71° C)
Autodrain: 32° to 160° F (0° C to 71° C) 
Low Temperature Option: -62° to 194° F (-52° C to 90° C)

Weight

 

Manual drain

1.2 lbs (.54 kg)

1.71 lbs (0.78 kg)

1.2 lbs (.54 kg)

1.15 lbs (0.52 kg)

1.38 lbs (0.68 kg)

1.0 lbs (.45 kg)

1.5 lbs (0.68 kg)

Auto drain

1.42 lbs (0.64 kg)

1.65 lbs (0.75 kg)

N/A

N/A

N/A

1.2 lbs (0.54 kg)

1.5 lbs (0.68 kg)

Operating Media

Air, Inert Gas and Sweet Natural Gas

Air, Inert Gas and Sweet or Sour Natural Gas

Air, Inert Gas and Sweet Natural Gas

Air, Inert Gas and Sweet Natural Gas

Materials

Body

Diecast Aluminum Alloy, Irridite and Baked Epoxy Finish

Filter

Polyethylene

Polyethylene

None

Polyethylene

Diaphragm, Gasket, Pintle

Nitrile Elastomer and Nylon Fabric
Low Temperature Option: Silicone and Nitrile

Viton

Nitrile Elastomer and Nylon Fabric

Nitrile Elastomer and Nylon Fabric

Additional Materials

Brass, Zinc Plated Steel, Acetal

316 Stainless Steel, Aluminum, Heat Treated Plated Steel

Brass, Zinc Plated Steel, Acetal

 

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