Brooks Instrument 1355 - Manual (Page 8)

1-2
Models 1350E and 1355E
Section 1 Introduction Installation and Operation Manual
X-VA-1350E-eng
Part Number: 541B082AAG
August, 2012
Flow Meter Assembly
Scales
1350 Series:
Length: 65 mm, nominal
Graduations: Standard: R-65mm, or R-100 linear reference scale with air or
water calibration table.
1355 Series:
Length: 150mm, nominal
Graduations: Standard: R-150 mm, or R-100 linear reference scale with air
or water calibration table. Optional: for either 65 mm or 150 mm direct
reading scale, ceramic ink fused on glass tube or metal scale plate
mounted beside tube
Type: Standard: Ceramic ink fused on meter tube with contrasting yellow
background
Materials of Construction
Metering Tubes: Borosilicate glass
Floats: Glass, 316 stainless steel, sapphire,
Carboloy
® , tantalum
Structural Members:
End fittings: Chrome plated brass, black anodized aluminum, 316
stainless steel
Side Plates:
Standard: Black anodized aluminum
Optional: 316 stainless steel
Window: Clear polycarbonate; Back Window: Milk white polycarbonate
Float Stops:
Standard: Teflon
®
Optional: 316 Stainless Steel
Tube Packing:
Standard: Buna-N (Brass and aluminum meters), Viton-A
®
fluoroelastomers (316 stainless steel meters)
Optional: Teflon ® , EPM (also known as EPR)
O-rings:
Standard: Buna-N (Brass and aluminum meters), Viton-A fluoroelastomers
(316 stainless steel meters)
Optional: Teflon (not available with needle valves), EPM, Kalrez ®
Connections
Standard: Horizontal female 1/8" NPT threaded adapters with locknuts for
front of panel mounting
Multi-tube meters: Individual 1/8" NPT horizontal inlet and outlet; Manifold
connection 1/8" NPT on inlet with individual outlet or manifold outlet with
individual inlet connections.
Dimensions
Refer to Figures 2-2 and 2-3