Brooks Instrument FC8744 NRS - Manual (Page 8)

1-2
Section 1 Introduction Installation and Operation Manual
X-VA-FC-eng
Part Number: 541B045AAG
August, 2012
Flow Controllers for Gas and Liquid Service
Pressure Equipment Directive (97/23/EC)
Equipment falls under Sound Engineering Practice (SEP) according to the
directive.
Pressure Drop
Refer to Table 1-2a.
Materials of Construction Controller Body:
316 Stainless Steel, Brass or Aluminum (FC 8744 only).
Refer to Table 1-3.
Controller Diaphragm:
Buna-N, Teflon
® or Viton ® fluoroelastomers
Refer to Table 1-3.
Needle Valve:
1) 316 Stainless Steel Cartridge valve, Refer to Figure 1-3,
Refer to DS-VA-CART-eng
2) 316 Stainless Steel NRS Valve, Refer to Figure 1-2,
Refer to DS-VA-8503-eng
3) 316 Stainless Steel standard needle valve type
Refer to Table 1-3.
O-rings:
Viton fluoroelastomers
Buna-N
Kalrez
® (SS body only)
EPR (SS body only)
Kalrez
® /Teflon ® (SS body only)
Refer to Table 1-3.
Meter Dimensions
Refer to Figures 1-2 thru 1-11.
Sizing
Refer to Table 1-5.
Material Certification: (Stainless Steel body only)
Certification to NACE MR-01-75
Certification to DIN 50049-2.2
Certification to DIN 50049-3.1
Ordering Information and Model Codes
Refer to Table 1-4.