Product Finder
CN EN-UK EN-US

Product Finder

Our Product Finder tool allows you to find the perfect product for your requirements.

737 | Thread Conversions | Adaptors & Reducers Available in nickel plated brass, brass, nylon, stainless steel, aluminium

Adaptors & Reducers, Globally Approved, Explosive Atmosphere Cable / Conduit Accessory

  • Used for thread conversion
  • Wide range of thread types & sizes
  • General purpose / industrial version available
  • Equipment interface ‘O’ ring seal available
  • -60˚C to +200˚C (metallic versions)
  • Globally marked, IECEx, ATEX, UL & cCSAus
  • Reducers Globally marked: – IECEx, ATEX, UL & cCSAus
  • Adaptors Globally marked: – 1 Step up in size: IECEx, ATEX, cCSAus – 2 Step up in size: IECEx, ATEX

Using the below dimension tables

1 ) Select male thread from the left hand column of Table ‘A’
2) Select the female thread size from the top of Table ‘A’, referenced ‘A**’ for Adaptor and ‘R**’ for Reducer
3) Using this code reference, please refer to the corresponding dimensions in Table ‘B’

BS 6121:Part 1:1989, IEC 62444, EN 62444
IK10 to IEC 62262 (20 joules) Brass & Stainless Steel Only
CML 18ATEX1320X
II 2G Ex d IIC Gb, Ex e IIC Gb, II 1D Ex ta IIIC Da
IM2 Ex d I Mb, Ex e I Mb
(II 2G Ex e IIC Gb, II 1D Ex ta IIIC Da only on Nylon version)
EN 60079-0,1,7,31
IECEx CML 18.0177X, IECEx SIM 15.0002X
Ex d I Mb, Ex e I Mb, Ex d IIC Gb, Ex e IIC Gb, Ex ta IIIC Da
(Ex e IIC Gb , Ex ta IIIC Da only on nylon version)
IEC 60079-0,1,7,31
1055233
Class I, Groups A, B, C and D; IP66, 67, 68; Enclosure Type 4X; Class II groups E, F
and G; Class III, Ex de II, Class I, Zone 1, AEx de II;
(Not available in Nylon)
C22.2 No.0, 0.5, 30, 94,CAN/CSA E60079-0,1, 7, CAN-CSA E61241-1, UL50 Edition
11, UL1203 Edition 4, UL 60079-0,1,7
E214221 (Reducers with NPT or Metric Threads only)
Class I Groups A,B,C,D; Class II Groups E,F,G; Class III
UL 1203
TC RU C-GB.AA87.B.00487
14-GA4BO-0249X
P333688
GYJ13.1142X
GB3836.1, 2, 3
TÜV 12.1332X
03866
LRS: 01/00173, ABS: 17-LD1619350-PDA, BV: 43180/A1 BV
-60°C to +200°C (Metallic), -20°C to +60°C (Nylon)
IP66, IP67 & IP68 (when fitted with CMP sealing accessories)
Electroless Nickel Plated Brass, Brass, Nylon, Stainless Steel, Aluminium

** Refer to Maintaining a Seal for further information on Ingress Protection Ratings

737 Selection Table

Click here to view Certification by Size

Click here to view Technical Illustration

Technical Illustration

Click here to view how to order

表A - 公螺纹尺寸表A – 母螺纹尺寸
公制NPT
公制M16M20M25M32M40M50M63M75M90M100½"¾"1"1¼"1½"2"2½"3"3½"4"
M16A01A04A08A03A08
M20R01A05A07A12A05A11A15
M25R05R03A09A14A18R03A09A16A18
M32R06R06R06A17A19A24R06R06A17A19A24
M40R08R08R08R08A20A29A33R08R08R08A21A25A33
M50R10R10R10R10R10A28A35A49R11R11R10R10A27A32A42A52
M63R12R12R12R12R12A37A48A53R12R12R12R12R12A37A44A53
M75R14R14R14R14R16R15A47A55A57R14R14R14R14R14A46A55A61
M90R19R19R17R19A60R18
M100R20R20R20A58
NPT½"R02A06A07A12A02A10A15
¾"R04R04A09A16A22R04A09A16A18
1R07R07R07A13A19R07R07A17A19A24
1¼R09R09R09R09A20A23R09R09R09A20A25A30
1½R10R10R10R11A26A43R10R10R10R10A26A31A41
2R12R12R12R12R12A36A43R12R12R12R12R12A39A50
2½R14R14R14R14R13R13A40R14R14R14R14R14R14A45A54
3R17R19R19R18R19R19A56R17R18R18R18R18R19A51A59A62
3½R17R20R20R20R20R20R20R20R20R20R20
4R21R21R21R21R21R21R21R21R21
表B-缩径头表B-转接头
表A参考号对边
直径A		对角
直径B		表A参考号对边
直径A		对角
直径B		最小
孔径C		表A参考号对边
直径A		对角
直径B		最小
孔径C		表A参考号对边
直径A		对角
直径B		最小
孔径C
R0124.026.4A0122.024.29.7A2355.060.532.1A4580.088.060.5
R0227.029.7A0224.026.414.0A2455.060.526.0A4680.088.065.0
R0330.033.0A0324.026.49.7A2555.060.532.0A4784.092.468.0
R0431.534.7A0424.026.410.0A2655.060.538.0A4890.299.253.0
R0531.534.7A0524.026.414.0A2755.060.543.6A4990.299.242.0
R0637.641.4A0627.029.714.0A2859.865.844.2A5095.0104.549.0
R0741.045.1A0730.033.014.0A2960.066.032.1A5195.0104.575.0
R0846.050.6A0830.033.09.7A3065.071.532.0A52100.0110.044.2
R0950.055.0A0930.033.020.0A3165.071.538.0A53100.0110.055.0
R1055.060.5A1030.533.614.0A3265.071.544.2A54100.0110.060.5
R1160.066.0A1131.534.714.0A3370.077.032.0A55100.0110.064.8
R1270.077.0A1236.039.614.0A3470.077.038.0A56100.0110.075.0
R1379.086.9A1336.039.626.0A3570.077.044.2A57110.0121.061.0
R1480.088.0A1437.641.420.0A3670.077.049.0A58110.0121.075.0
R1584.092.4A1541.045.114.0A3770.077.053.0A59110.0121.075.0
R1690.299.2A1641.045.120.0A3870.077.032.1A60110.0121.079.3
R1795.0104.5A1741.045.126.0A3979.086.949.0A61110.0121.068.3
R1898.8108.7A1846.050.620.0A4079.086.960.0A62117.5129.375.0
R19100.0110.0A1946.050.626.0A4180.088.038.0
R20110.0121.0A2046.050.632.1A4280.088.044.2
R21123.0135.3A2150.055.032.0A4380.088.049.0
R22127.0139.7A2250.055.020.0A4480.088.055.0
更多螺纹可按需生产
母螺纹决定最小的缩径头孔径
尺寸按毫米计