Yokogawa ADMAG AXR Uživatelský manuál stáhnout pdf (Strana 22)

<3. INSTALLATION>

3-10

IM 01E30D01-01EN

Table3.3.8 CenteringDeviceIdentication(AXRLaylengthcode2,PFAlining)

Flange

ratings

Size

mm (inch)

JIS ANSI DIN

10K 20K

F12

(75M)

150 300 PN10 PN16 PN40

50 (2.0) B B — B F — — F

65 (2.5) B B — B G — F —

80 (3.0) B F H F C — G —

100 (4.0) B F H C H — F —

150 (6.0) C D D C E — C —

200 (8.0) C D D D E C C —

:Eachcenteringdeviceisengravedwithacharacterasidentication.

Table 3.3.9 Inner Diameters of Grounding Ring,

Outer Diameter for Effective Sealing

Be sure to choose a gasket with an inner and outer

diameter that does not protrude inside the piping.

If the inner diameter of the gasket is too large,

orouterdiameterofthegasketistoosmall,uid

leakage may result.

Lay length code1 (Flange, Wafer type) Unit : mm (in.)

Size

Inner diameter of

ground ring[øA]

Outer diameter for

effective sealing[øB]

25 (1.0) 28 (1.10) 53 (2.09)

40 (1.5) 41 (1.61) 71 (2.80)

50 (2.0) 53 (2.09) 84 (3.31)

65 (2.5) 66 (2.60) 103 (4.06)

80 (3.0) 77 (3 .03) 114 (4.49)

100 (4.0) 102 (4.02) 140 (5.51)

150 (6.0) 146.1 (5.75) 190 (7.48)

200 (8.0) 193.6 (7.62) 240 (9.45)

ay length code2 (Wafer type) Unit : mm (in.)

Size

Inner diameter of

ground ring[øA]

Outer diameter for

effective sealing[øB]

25 (1.0) 28 (1.10) 53 (2.09)

40 (1.5) 41 (1.61) 71 (2.80)

50 (2.0) 53 (2.09) 84 (3.31)

65 (2.5) 66 (2.60) 103 (4.06)

80 (3.0) 77 (3 .03) 114 (4.49)

100 (4.0) 102 (4.02) 140 (5.51)

150 (6.0) 140.7 (5.54) 190 (7.48)

200 (8.0) 188.9 (7.44) 240 (9.45)

Size of Inner Diameter of Grounding ring and

Outer Diameter for Effective Sealing :

lining

øB øA

AXR Flowtube

Grounding ring

Gasket for

User’s flange

3.3.3 Nominal Diameter 25 mm (1.0 in.) to

200 mm (8.0 in.), Flange Type

IMPORTANT

Useboltsandnutsincompliancewiththeange

ratings. Be sure to choose a gasket with inner

and outer diameters that does not protrude

inside the piping (refer to Table 3.3.9). If the

inner diameter of the gasket is too large, or outer

diameterofthegasketistoosmall,uidleakage

may result.

(1) Mounting Direction

Mounttheowmetersothattheowdirectionofthe

uidtobemeasuredisinlinewiththedirectionof

thearrowmarkontheowmeter.

IMPORTANT

If it is impossible to match the direction of

the arrow mark, the direction of the electrical

connection can be changed. Refer to Section

10.1 to do this properly.

Incasetheuidbeingmeasuredowsagainst

the arrow direction, refer to the parameter J20:

Flow Direction in this user’s manual.

(2) Tightening Nuts

Tighten the bolts according to the torque values for

the metal piping in Table 3.3.10. For PVC piping,

select an optional code of GA, GC, or GD, use

rubber gaskets and tighten the nuts to the torque

values for the PVC piping in Table 3.3.11.

orpermeableuids(suchasnitricacid,

hydrouoricacid,orsodiumhydrateathigh

temperatures), tighten the nuts according to the

torque values in Table 3.3.12.

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 193 194

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