IECEx & ATEX Fittings
INR TM Quick coupling fitting with fixed male thread for rigid pipe
INR TM Quick coupling fitting with fixed male thread for rigid pipe certified according to IECEx and ATEX. The fitting is made of nickel-plated brass. The fittings are suitable for ATEX Group II, category 2G and 2D. Fitting protection type based on IECEx and ATEX “Ex eb” and “Ex tb”. Degree of protection: IP66/68. The service temperature of the fitting is -35°C / +85°C.
F – Thread type and thread size
θT – Pipe diameter (mm)
θ PU – Maximum cable passage (mm)
Lf – Thread length (mm)
Material: Nickel-plated brass
Color: Nickel
For further information on parametric design, download the technical data sheet
Thread(F)
METRIC (ISO 965-1)
Size(F)
M16x1.5
θ PU(mm)
12.5
Lf(mm)
9
θ T(mm)
16
Size id
A2
Product code
Ex55616
CAD
Thread(F)
METRIC (ISO 965-1)
Size(F)
M20x1.5
θ PU(mm)
16.5
Lf(mm)
9
θ T(mm)
20
Size id
A3
Product code
Ex55620
CAD
Thread(F)
METRIC (ISO 965-1)
Size(F)
M25x1.5
θ PU(mm)
21.5
Lf(mm)
9
θ T(mm)
25
Size id
A4
Product code
Ex55625
CAD
Thread(F)
METRIC (ISO 965-1)
Size(F)
M32x1.5
θ PU(mm)
27
Lf(mm)
9
θ T(mm)
32
Size id
A5
Product code
Ex55632
CAD
Thread(F)
METRIC (ISO 965-1)
Size(F)
M40x1.5
θ PU(mm)
35
Lf(mm)
9
θ T(mm)
40
Size id
A6
Product code
Ex55640
CAD
Thread(F)
METRIC (ISO 965-1)
Size(F)
M50x1.5
θ PU(mm)
43.5
Lf(mm)
11
θ T(mm)
50
Size id
A7
Product code
Ex55650
CAD
Thread(F)
METRIC (ISO 965-1)
Size(F)
M63x1.5
θ PU(mm)
57
Lf(mm)
11
θ T(mm)
63.5
Size id
A8
Product code
Ex55663
CAD
Application sectors
Characteristics
Type of certification: IECEx and ATEX
Operating temperature: – 35 °C / + 85 °C
IP protection rating: IP66/67/68(0.5 Bar, 30Min / 5 meter, 30Min)
IP dust protection rating: IP 6X 20mbr
Material: Nickel-plated brass
ATEX Group II, category 2G, and 2D
Type of protection: “Ex eb”, “Ex tb”
IECEx reference standard: IEC 60079-0; IEC 60079-7; IEC 60079-31
ATEX reference standard: EN IEC 60079-0; EN IEC 60079-7; EN IEC 60079-31
Tensile force resistance of tube: Excellent
Impact resistance: 7 J @ -40°C
Electrical characteristics: Guaranteed electrical continuity
Corrosion resistance: Excellent
MARKING DETAILS
IECEx –> Ex eb IIC Gb / Ex tb IIIC Db
ATEX Directive 2014/34/EU —> 
II2G Ex eb IIC Gb / II2D Ex tb IIIC Db
Quality controls
Corrosion tests in artificial salt spray atmospheres, test method: UNI EN ISO 9227:2017 (NSS). The dimensions of all products are controlled according to the sampling method, according to the requirements.
Certifications
Documentation download
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