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Ex CABLEGLANDS & ACCESSORIES

Ex-CABLEGLANDS & ACCESSORIES
AR Series Metallic adaptors
and reducers

AR Series Dual Certified Adaptors & Reducers
provide a method of matching electrical thread
forms on Ex equipment whilst maintaining Ex d /
Ex e methods of explosion protection. In addition
they are approved to IP66 & IP68 for IEC type
applications and Class I Division 1, NEMA 4X & 6P
for CEC type applications.

PRODUCT PRODUCT
INFORMATION IMAGE

Example Part AR1BF/NP/M20/M25 Thread Reference Tables
Numbering
(See below for details)
AR Thread converting Adaptor/Reduce ISO Metric ISO 965-1, ISO 965-3, BS 3643, IEC 60423
Peppers
Max
1 No IP O-Ring (0) - Nitrile (1) - Silicone (3) Thread Reference Standard TPI Major Dia Thread Bore Clearence
Pitch
Length
B Brass (B) / Stainless Steel (S) / Aluminium (A) Hole Dia
F Ex d & Ex e certification M16 M16 1.50 16.93 15.97 16.0 10.0 16.7
NP Nickel Plated (NP) - Zinc Plated (ZP) M20 M20 1.50 16.93 19.97 16.0 14.0 20.7
M20 Male Entry Thread M25 M25 1.50 16.93 24.97 16.0 18.0 25.7
M25 Female Entry Thread M32 M32 1.50 16.93 31.97 16.0 24.0 32.7
M40 M40 1.50 16.93 39.97 16.0 32.0 40.7
M50 M50 1.50 16.93 40.97 16.0 41.0 50.7
Optional Accessories [N/V] IP Washers Nylon [N] (ACNSW) / Fibre
[V] (ACFSW) M63 M63 1.50 16.93 62.97 16.0 53.0 63.7
M75 M75 1.50 16.93 74.97 16.0 64.0 75.7
[T] Earth Tag Brass (ACBET) / Stainless M80 M80 2.00 12.70 79.97 20.0 69.0 80.8
Steel (ACSET)
M85 M85 2.00 12.70 84.97 20.0 73.0 85.7
[L] Lockout Brass (ACBLN) / Stainless
Steel (ACSLN) M90 M90 2.00 12.70 89.97 20.0 78.0 90.7
[S] Serrated Washer Stainless Steel (ACSSW) M100 M100 2.00 12.70 99.97 20.0 88.0 100.7
M110 M110 2.00 12.70 109.97 20.0 98.0 110.7
Features: M120 M120 2.00 12.70 119.97 20.0 108.0 120.7
• IP 66 & IP68 (100 metres for 7 days) & NEMA 4X
• Impact resistance 20Nm (Aluminum 7Nm) NPS ANSI B1.20.1
• Operating temperature without O-ring: -100°C to +400°C Thread Peppers Pitch TPI Major Dia Thread Bore Max
• Operating temperature with Silicone O-ring: -60°C to +200°C Reference Length Clearence
• Operating temperature with Nitrile O-ring: -30°C to +100°C Hole Dia
• Plating: Nickel, Zink 1/2” 050NPS 1.81 14.0 20.90 19.9 14.1 21.60
3/4” 075NPS 1.81 14.0 26.26 20.1 19.0 26.96
Technical information 1” 100NPS 2.20 11.5 32.84 25.0 25.0 33.54
Compliance standard EN 60079-0, EN 60079-1, EN 60079-31, 1-1/4” 125NPS 2.20 11.5 41.61 25.6 32.0 42.31
IEC 60079-0, IEC 60079-7, 1-1/2” 150NPS 2.20 11.5 47.67 26.0 38.0 48.37
IEC 60079-31 & 60529 2” 200NPS 2.20 11.5 59.72 26.9 49.0 60.42
IP Rating IP66, IP68 (100 metres for 7 days) 2-1/2” 250NPS 3.18 8.0 72.16 39.9 60.0 72.86
Impact Resistance 20Nm (Aluminium 7Nm) 3” 300NPS 3.18 8.0 88.06 41.5 75.0 88.76
Materials Brass, Stainless Steel or Aluminium 3-1/2” 350NPS 3.18 8.0 100.78 42.8 88.0 101.48
Plating Nickel, Zink 4” 400NPS 3.18 8.0 113.43 44.0 100.0 114.13
Operating O-Ring - None -100°C to +400°C
Temperature O-Ring - Silicone -60°C to +200°C
O-Ring - Nitrile -30°C to +100°C

IP
03 66/68