GEM 653 User Manual

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653, 654
Bonnet function Code
With seal adjuster and stroke limiter (GEMÜ 653 diaphragm size 10 - 50) H
(GEMÜ 654 diaphragm size
8 - 100)
Without seal adjuster and without stroke limiter (GEMÜ 653 diaphragm size
10 - 100) N
(GEMÜ 654 diaphragm size
8 - 100)
With seal adjuster (diaphragm size 80 - 100) S
Special versions
With seal adjuster, stroke limiter and mounting for proximity switches M 8x1 (diaphragm size 10 - 50) A*
With seal adjuster and mounting for proximity switches M 12x1 (diaphragm size 80 - 100)
With seal adjuster, stroke limiter and locking device (both directions) and (diaphragm size 10 - 50) B*
mounting for proximity switches M 8x1
With seal adjuster, locking device (both directions) and (diaphragm size 80 - 100)
mounting for proximity switches M 12x1
With seal adjuster, stroke limiter and safety gland packing (diaphragm size 10 - 50) E*
With seal adjuster and safety gland packing (diaphragm size 80 - 100)
With seal adjuster, stroke limiter, locking device to prevent closing and (diaphragm size 10 - 50) F*
mounting for proximity switches M 8x1
With seal adjuster, locking device to prevent closing and (diaphragm size 80 - 100)
mounting for proximity switches M 12x1
With seal adjuster, stroke limiter, locking device to prevent opening and (diaphragm size 10 - 50) K*
mounting for proximity switches M 8x1
With seal adjuster, locking device to prevent opening and (diaphragm size 80 - 100)
mounting for proximity switches M 12x1
* only in connection with bonnet version X
* only in T-valve version
Order example
653 50 D 60 40 13 0 4 D H 1503
Type 653
Nominal size 50
Body configuration (code) D
Connection (code) 60
Valve body material (code) 40
Diaphragm material (code) 13
Control function (code) 0
Bonnet size (code) 4
Bonnet version (code) D
Bonnet function (code) H
Nominal size (mm)*
Connection (code)*
Surface finish (code) 1503
Valve body surface finish, internal contour
Forged body
Code 40, 42
Investment casting
Code 32, 34
Code
Ra ≤ 6.3 μm blasted internal/external - X 1500
-- electropolished - X 1509
Ra ≤ 0.8 μm mechanically polished internal, blasted external X X 1502
Ra ≤ 0.8 μm electropolished internal/external X - 1503
Ra ≤ 0.6 μm mechanically polished internal, blasted external X X 1507
Ra ≤ 0.6 μm electropolished internal/external X - 1508
Ra ≤ 0.4 μm mechanically polished internal, blasted external X - 1536
Ra ≤ 0.4 μm electropolished internal/external X - 1537
Ra ≤ 0.25 μm mechanically polished internal, blasted external X - 1527
Ra ≤ 0.25 μm electropolished internal/external X - 1516
Ra acc. to DIN 4768; at defined reference points
Surface finish data refer to medium wetted surfaces

GEM 653 Specifications

General

Brand	GEM
Model	653
Category	Control Unit
Language	English