Instruction manual

High Throughput Diffusion Pumps
12
DRAFT 12/23/04
Figure 9 NHS-35 Outline with ASA Flanges
Table 11 NHS-35: Dimensions and Weights
Units NHS-35
Height, minimum
including clearance
for heater access
in (mm) 80 (2032)
Weight lbs (kg) 1500 (680.4)
Connections:
Body and Foreline
Quick Cool coils
in
in
3/8 FPT
3/8 FPT
Foreline
Cooling Coil
Table 12 NHS-35 Flange Dimensions
ASA ISO
Units Inlet Foreline Inlet, 1000 F Foreline, 200 K
OD in (mm) 41.75 (1060.5) 11.00 (279.4) 44.09 (1119.9) 9.45 (240.0)
ID in (mm) 35.00 (889.0) 7.72 (196.1) 35.00 (889.0) 7.72 (196.1)
Thickness in (mm) 1.12 (28.5) 0.75 (19.1) 1.12 (28.5) 0.47 (12.0)
Bolt Circle in (mm) 38.50 (977.9) 9.50 (241.3) 42.90 (1089.7)
No. of Holes 28 8 32
Size of Holes in (mm) 0.87 (22.1) 0.81 (20.6) 0.55 (14.0)
Orientation Holes straddles center line of foreline
Gasket Groove ID
Width
Depth
in (mm)
in (mm)
in (mm)
35.37 (898.4)
0.56 (14.2)
0.25 (6.4)
8.20 (208.3)
0.17 (4.3)
0.09 (2.3)
40.75 (1035.1)
0.56 (14.2)
0.25 (6.4)
Requires NW-200
Centering Ring (not
included with pump)