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PG-1000 Series Acrylic Flowmeter with Glass Flow Tube (direct read Air), Brass

USD $288.07

PG-1000 Series Acrylic Flowmeter with Glass Flow Tube (direct read Air), Brass

USD $288.07
Part Number:    PG-1000 Series (Brass)
   Availability:   Ships within 48 hours from Montgomeryville, PA

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Product Description

MATHESON made in the USA



Matheson's PG-1000 Series Flowmeters are designed to allow reliable flow indication of gases at low capacities, while maintaining a rugged, economical plastic construction. A glass metering tube ensures dependable, accurate performance throughout the meter’s capacity range.

The PG-1000 Series flowmeters are direct reading for air, and are available in either English or Metric units. Choose between a black glass or stainless steel float. The superior construction features of the PG-1000 Series Flowmeters result in a sturdy design with optimum gas metering characteristics. Complete annealing during production ensures each meter body is stress free. Threadless plastic blocks eliminate crazing and fracture, and the metal support frame absorbs all connection strain.

The glass metering tube is sealed directly into the acrylic body by means of a spring-loaded O-ring, and is interchangeable. The scale is permanently fused on the metering tube, close to the flow area, to reduce parallax and improve readout.

Valve Options
• Utility valve for those who desire control as well as indication
• No valve for those who just want indication



PG-1000 Series 
Tube No. Air (SCFH)*   Tube No. Air (SCCM)*    Float Material        
U005  0.01-0.06    U001  2.5-25    Glass        
U006  0.02-0.1    U002  5-50    Glass        
U007  0.02-0.18    U003  20-100    Glass        
U008  0.1-0.4    U004  50-200    Stainless Steel        
U203  0.1-1    U201  50-500    Glass        
U204  0.2-2    U202  100-1000    Stainless Steel        
U305  0.2-4.4    U301  0.1-2    Glass        
U306  1-6    U302  0.2-3    Stainless Steel        
U307  1-8    U303  0.2-4    Stainless Steel        
U308  1-10    U304  0.5-5    Stainless Steel        

*All air flow rates at 70°F and 14.7 psia

Design Features

• Precision tapered glass metering tube
• Reduced scale parallax
• Removable tube for capacity change
• 50mm scale length
• Low end flow measurement of 0.06 SCFH
• 10 to 1 or greater meter range
• Low pressure drop
• Meter support frame flanges allow variety of panel mounting positions

Engineering drawings

Materials of Construction

• Wetted End Plugs and Valve Parts: Brass
• Seal Materials: Buna-N
• Valve Stem: 316 stainless steel
• Meter Block: Clear, cast acrylic plastic with removable glass metering tube
• Piping Connections: Brass
• Float Material: Black glass or 316 stainless steel
• Scale: Permanently screened on meter body, length 50 mm


• Pressure Rating: 100 psig maximum
• Temperature Rating: 160°F maximum
• Accuracy: ±10% of full scale flow rate
• Repeatability: 1% of scale reading
• Range: 10 to 1, i.e., 100% to 10% of full scale
• Scale Readings: Direct reading (air)
• Shipping Weight: 1 lbs

Rotameter Pressure Correction Factors

Rotameter Temperature Correction Factors


Instructions, PM-1000/PG-1000

3D Model


Warranty Information

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