IM 01E20D01-01E
6-8
6. OUTLINE
Joints:
Note: Contact Yokogawa office if PVC union joint is required.
Standard
Lining
Ceramics
Union Joints (size 10 mm or less)
screw joint
(GUN, GUR)
weld joint
(GUW)
T23-3.EPS
Process Connection Code
GUW: Union Joint (weld joint)
Stainless steel
(JIS SUS316L
(ANSI 316L SS/EN
1.4404
equivalent))
Process Connection Code
GUN, GUR: union joint
(screw joint)
nut
Gasket within Flowtube
Materials for Union Joint
T23-4.EPS
Sanitary Type
Stainless steel-JIS SUS316L or SUSF316L
(AISI 316L SS/EN 1.4404 equivalent or
ANSI F316L SS/EN 1.4435 equivalent)
Use
Standard
Adapter for clamp
connection
Adapter for union
connection
Adapter for butt
weld connection
Materials for Adapters (clamp, union, butt weld)
O-Ring (Replaceable electrode type only):
Fluororubber (Part number : G9303SE)
Recommended Gaskets Between Flowtubes
And User’s Flanges:
Gaskets Type
Use compressed non-asbestos fiber gaskets, PTFE-
sheathed non-asbestos gaskets or gaskets which have
equivalent elasticity.
For optional codes GA, GC, and GD, use rubber gaskets
or others which have equivalent elasticity (such as Teflon-
coated rubber gaskets).
Gaskets Size
Be sure to choose a gasket with an inner and outer
diameter that does not protrude inside the piping (refer to
Subsection 3.3.5).
If the inner diameter of the gasket is too large, or outer
diameter of the gasket is too small, fluid leakage may
result.
Electrode Construction:
Non-replaceable Electrode Type
General-Purpose Use/Submersible Type/Explosion
proof Type:
PFA, Polyurethane Rubber lining:
External insertion type
Natural Soft Rubber, EPDM Rubber lining:
Internal insertion type
Ceramics lining: Integral type
Sanitary Type: Internal insertion type
Replaceable Electrode Type
Electrode parts can be put into unit to facilitate replace-
ment or mounting at customer site.
The optional dedicated tool (F9807SK) is required.
Replaceable electrodes are available for the
following:
AXF standard:
Use
Lining
Wafer
Flange
25 to 300 mm
(1.0 to 12 in.)
25 to 400 mm
(1.0 to 16 in.)
General-
Purpose Use
Process
Connection
Available
Size
Electrode
Material
PFA/
Polyurethane
Rubber
JIS SUS316L
(AISI 316L
SS/EN
1.4404
equivalent)
(
*
1)
T06.EPS
Replacement model for earlier ADMAG or ADMAG AE:
Use
Lining
Flange
150 to 250 mm
(6.0 to 10 in.)
Process
Connection
Available
Size
Electrode
Material
PFA/
Polyurethane
Rubber
JIS SUS316L
(AISI 316L
SS/EN
1.4404
equivalent)
(
*
1)
T07.EPS
General-
Purpose Use
*1: If any other electrode materials are required, please
contact Yokogawa office.
Mounting/Shapes (Remote Flowtube):
• Electrical Connection: ANSI 1/2 NPT female
ISO M20
1.5 female
JIS G1/2 female
• Direction of Electrical Connection: The direction can be
changed even after delivery.
Note: In case of submersible types, an optional code DHC,
the direction can not be changed after delivery.
• Terminal Connection at Terminal Box: M4 size screw
Grounding:
Grounding resistance 100
Ω
or less
* In case of explosion proof type except TIIS, follow the
domestic electrical requirements as regulated in each
country.
* In case of TIIS Flameproof type, refer to description of
“HAZARDOUS AREA CLASSIFCATION”.
Combined Converter:
• A remote flowtube can be combined with the AXFA11
Converter or the AXFA14 Converter. If a combined
converter is changed from AXFA11 to AXFA14 or vice
versa, a new meter factor must be adjusted by flow
calibrations.
• In case that size 250 mm (10 in.) or larger is used in low
conductivity or high concentration slurries, please use the
AXFA11 Converter.
• Maximum Cable Length:
Combination of AXF remote Flowtube and AXFA11:
up to 200 m (660 ft)
Combination of AXF remote Flowtube and AXFA14:
up to 100 m (330 ft)
