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

737 Adaptors/Adapters & Reducers for a Wide Range of Thread Sizes & Types

Adaptors/Adapters & 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

In order to select and adaptor/adapters & reducers, 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/adapter and ‘R**’ for reducer
3) Using this code reference, please refer to the corresponding dimensions in Table ‘B’

Design SpecificationBS 6121:Part 1:1989, IEC 62444, EN 62444
Enclosure ProtectionIK10 to IEC 62262 (20 joules) Brass & Stainless Steel Only
ATEX CertificateSIRA13ATEX1265X
Code of Protection 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)
Compliance StandardsEN 60079-0,1,7,31
IECEx CertificateIECEx SIR13.0094X, IECEx SIM 15.0002X
Code of ProtectionEx 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)
Compliance StandardsIEC 60079-0,1,7,31
cCSAus Certificate1055233
Code of ProtectionClass 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)
Compliance StandardsC22.2 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
UL CertificateE214221 (Reducers with NPT or Metric Threads only)
Code of ProtectionClass I Groups A,B,C,D; Class II Groups E,F,G; Class III
Compliance StandardsUL 1203
EAC CertificateC-GB.AA87.B.00487
GOST R CertificatePOCC.GB.35.H00102
KCC Certificate14-GA4BO-0249X
CCOE / PESO (India) CertificateP333688
NEPSI CertificateGYJ18.1254U
Compliance StandardsGB3836.1, 2, 3
INMETRO ApprovalTÜV 12.1332X
RETIE Approval03866
Marine ApprovalsLRS: 01/00173, ABS: 17-LD1619350-PDA, BV: 43180/A1 BV
Continuous Operating Temperature-60°C to +200°C (Metallic), -20°C to +60°C (Nylon)
Ingress Protection Rating **IP66, IP67 & IP68 (when fitted with CMP sealing accessories)
Available MaterialsElectroless 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

TABLE A - MALE THREAD SIZETABLE A - FEMALE THREAD SIZE
METRICNPT
METRICM16M20M25M32M40M50M63M75M90M100½"¾"1"1¼"1½"2"2½"3"3½"4"
M16A01A04A08A03A08
M20R01A05A07A12A05A11A15
M25R05R03A09A14A18R03A09A16A18
M32R06R06R06A17A19A24R06R06A17A19A24
M40R08R08R08R08A20A29A33R08R08R08A21A25A33
M50R10R10R10R10R10A28A35A49R11R11R10R10A27A32A42A52
M63R12R12R12R12R12A37A48A53R12R12R12R12R12A37A44A53
M75R14R14R14R14R16R15A47A55A57R14R14R14R14R14A46A55A61
M90R19R19R17R19A60R18
M100R20R20R20A58
NPT½"R02A06A07A12A02A10A15
¾"R04R04A09A16A22R04A09A16A18
R07R07R07A13A19R07R07A17A19A24
1¼”R09R09R09R09A20A23R09R09R09A20A25A30
1½”R10R10R10R11A26A43R10R10R10R10A26A31A41
R12R12R12R12R12A36A43R12R12R12R12R12A39A50
2½”R14R14R14R14R13R13A40R14R14R14R14R14R14A45A54
R17R19R19R18R19R19A56R17R18R18R18R18R19A51A59A62
3½”R17R20R20R20R20R20R20R20R20R20R20
R21R21R21R21R21R21R21R21R21
TABLE B - REDUCERSTABLE B - ADAPTORS
Table A Ref.Across
Flats ‘A’
Across
Corners ‘B’
Table A Ref.Across
Flats ‘A’
Across
Corners ‘B’
Minimum
Bore ‘C’
Table A Ref.Across
Flats ‘A’
Across
Corners ‘B’
Minimum
Bore ‘C’
Table A Ref.Across
Flats ‘A’
Across
Corners ‘B’
Minimum
Bore ‘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
Additional sizes available upon request
Minimum reducer bore determined by female thread
Dimensions displayed in millimetres