Emerson Daniel 788DVC User Manual page 53

User manual
P/N 3-9008-556
Table 2-3: Interface requirements
Requirements
Hydraulic lines
Flange type
FLANGE SIZE HAZARD
Customers must choose the appropriate size material of the flange for their piping
requirements.
Choosing an incorrect flange may cause a pressure leak, resulting in death or serious
injury.
2.2.2 Requirements and limitations for installation
NOTICE
Comply with local government regulations and company requirements.
See Figure 2-1
NOTICE
Flush lines to remove welding bead, pipe scale, etc.
NOTICE
Install the valve in a horizontal line with the cylinder head at the top.
User manual
WARNING
for flow direction.
Operating conditions and specifications
Description
External hook up:
• ANSI class 150 and 300:
— NPS 2-6: Carbon steel/Stainless steel 10
mm (0.375")
— NPS 8-16 Carbon steel/Stainless steel 13
mm (0.5")
— Can be furnished in metric sizes
The mechanical connections for a Series
788DVC control valve NPS 2 to 8 are standard
class 150 and 300 ANSI raised face flanges,
which are available only in carbon steel. Other
types of flange connections are available per
customer request for Daniel control valves. For
other ANSI ratings or flanges consult the factory
engineers. For maximum working pressures at
intermediate temperatures refer to ANSI B16.5.
October 2019
53