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10 Supplement
WIKA Operating Instructions - Process pressure transmitter CPT-2x
10 Supplement
10.1 Technical data
Materials and weights
Materials, wetted parts
Process fitting
316L, PVDF, Alloy C22 (2.4602), Alloy C276 (2.4819),
Duplex steel (1.4462), Titanium Grade 2
Diaphragm
Sapphire-ceramic
®
(> 99.9 % Al
2
O
3
ceramic)
Joining material measuring cell
Glass (with double and form seal, non-wetted parts)
Measuring cell seal
Ʋ
Standard (O-ring seal)
FKM (VP2/A, A+P 70.16), EPDM (A+P 70.10-02), FFKM
(Kalrez 6375, Perlast G75S, Perlast G75B)
Ʋ Hygienic fitting with compression nut
(form seal)
FKM (ET 6067), EPDM (EPDM 7076), FFKM (Chem-
raz 535), FEPM (Fluoraz SD890)
Seal for process fitting (in the scope of delivery)
Ʋ
Thread G½ (EN 837), G1½
(DIN 3852-A)
Klingersil C-4400
Ʋ
Thread M44 x 1.25 (DIN 13),
M30 x 1.5
FKM, FFKM, EPDM
Ʋ
Hygienic connection with compres-
sion nut
FKM, EPDM, FFKM, FEPM
Surface quality, hygienic fittings, typ.
Ʋ Process fitting
R
a
< 0.8 µm
Ʋ
Diaphragm
R
a
< 0.5 µm
Materials, non-wetted parts
Sensor housing
Ʋ
Housing
Plastic PBT (Polyester), Aluminium AlSi10Mg (powder-
coated, basis: Polyester), 316L
Ʋ
Cable gland
PA, stainless steel, brass
Ʋ
Cable gland: Seal, closure
NBR, PA
Ʋ
Seal, housing lid
Silicone SI 850 R, NBR silicone-free
Ʋ
Inspection window housing cover
Polycarbonate (UL-746-C listed), glass
1)
Ʋ
Ground terminal
316L
External housing - deviating materials
Ʋ
Housing and socket
Plastic PBT (Polyester), 316L
Ʋ
Socket seal
EPDM
Ʋ
Seal below wall mounting plate
2)
EPDM
Ʋ
Inspection window housing cover
Polycarbonate (UL-746-C listed)
Ground terminal
316Ti/316L
1)
Glass with Aluminium and stainless steel precision casting housing
2)
Only for 316L with 3A approval