Yokogawa ADMAG AXR Uživatelský manuál stáhnout pdf (Strana 157)

12-5

IM 01E30D01-01EN

<12. OUTLINE>

GroundingRing/GroundingElectrode;

• Grounding Ring (plate type)

Stainless steel-JIS SUS316 (AISI 316 SS/EN

1.4401 equivalent), Stainless steel-JIS SUS316L

(AISI 316L SS/EN 1.4404 equivalent), Hastelloy

C276 equivalent

•

Grounding Electrode (electrode type)

Fluorocarbon PFA lining + grounding electrode

(Tantalum, Platinum-Iridium)

*1: Hastelloy is a registered trademark of Haynes Interna-

tional Inc.

*2: Thepermeableuids(suchasnitricacid,hydrouoric

acid, or sodium hydroxide at high temperature) are

unusable.

Gasket;

Use General-purposeUse/

Explosion Proof Type

Standard

Grounding ring

No gasket within Flowtube

Optional

code

(GA, GC,

or GD)

Grounding ring

Gasket within Flowtube

Gasket Material (within Flowtube)

GA: Fluororubber for PVC pipes (Viton®)

GC: Acid-resistantuororubberforPVC

pipes (Viton®)

D:Alkali-resistantuororubberforPVC

pipes (Viton®)

Use General-purposeUse/

Explosion Proof Type

Optional

code

(BCF, BSF,

BCC, or

BSC)

Grounding ring

Flange of user’s pipe

Gasket for

user’s flange

GasketMaterial(foruser’sange)

BCF, BSF: PTFE-sheathed non-asbestos

BCC, BSC: Chloroprene rubber

Recommended Gaskets Between Flowtubes And

Unser’s Flanges:

Gaskets Type

Use

compressednon-asbestosbergaskets,

PTFE-sheathed non-asbestos gaskets or gaskets

which have equivalent elasticity.

For optional codes GA, GC, and GD, use rubber gas-

kets or others which have equivalent elasticity.

Gaskets Size

Be sure to choose a gasket with an inner and outer

diameter that does not protrude inside the piping

(refer to item of Inner Diameter Of Grounding Ring,

Outer Diameter For Effective Sealing).

If the inner diameter of the gasket is too large, or

outer

diameterofthegasketistoosmall,uidleak-

age may result.

Inner Diameter of Grounding Ring, Outer Diameter

for Effective Sealing;

Lay length code 1 (Flange, Wafer type); Unit: mm (in.)

Size

Inner diameter of

Ground ring [øA]

Outer diameter for ef-

fective 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 code 2 (Wafer type); Unit: mm (in.)

Size

Inner diameter of

Ground ring [øA]

Outer diameter for ef-

fective 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)

Electrode Construction:

Internal insertion type

HAZARDOUS AREA CLASSIFICATION

Refer to Chapter 14.

1 2 ... 152 153 154 155 156 157 158 159 160 161 162 ... 193 194

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