797 Series Adaptors

797 Series Adaptor

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Male to Male & Female to Female Adaptor Type 797 with Flameproof Ex d IIC & Increased Safety Ex e II forms of protection

The CMP Type 797 Male to Male and Female to Female Adaptor is designed to convert an existing enclosure aperture to the opposite male or female thread form. These Male to Male and Female to Female Adaptors can also be supplied with thread conversion between the two threads to either a reduced size or a different thread type, e.g. Metric to NPT, or NPT to Metric. Please refer to the table “D” in the ordering guide tables detailed in the file Ordering Definitions for further information on these options.

A General Purpose Industrial version is also available.

The CMP Type 797 Male to Male and Female to Female Adaptors are available in Brass, Aluminium or Stainless Steel and can be supplied for both Industrial and Hazardous Area applications, with Ex d and Ex e Component and Equipment Approval.

797 Series Adaptors Table

  • View Metric Table
  • View Imperial Table
Ordering Reference Male/Female Forward Thread Size Minimum Thread Length Male/Female Thread Across Flats Dimension Bore Diameter "B" Protrusion Length "C" Installation Torque (Nm)
A/F A/C
797DM1FM1F M16 X 1.5 15.0 M16 X 1.5 24.0 25.9 10.0 26.0 7
797DM2FM2F M20 X 1.5 15.0 M20 X 15 24.0 25.9 14.3 26.0 7
797DM3FM3F M25 X 1.5 15.0 M25 X 1.5 30.0 32.4 20.3 26.0 10
797DM4FM4F M32 X 1.5 15.0 M32 X 1.5 36.0 38.9 26.8 26.0 15
797DM5FM5F M40 X 1.5 15.0 M40 X 1.5 48.0 51.8 32.7 26.0 25
797DM6FM6F M50 X 1.5 15.0 M50 X 1.5 55.0 59.4 44.6 26.0 30
797DM7FM7F M63 X 1.5 15.0 M63 X 1.5 70.0 75.6 56.5 26.0 45
797DM8FM8F M75 X 1.5 15.0 M75 X 1.5 80.0 86.4 68.5 26.0 45
797DM9FM9F M90 X 2.0 15.0 M90 X 2.0 95.0 102.6 81.0 26.0 45
797DM10FM10F M100 X 2.0 15.0 M100 X 2.0 110.0 118.8 91.0 36.0 45
Dimensions are displayed in Millimetres

Note: Marked with ATEX, IECEx and cCSAus certification details as standard. Other Thread Variations are available on request. Please refer to ordering guide tables in Ordering Definitions.

Ordering Reference Male/Female Forward Thread Size Minimum Thread Length Male/Female Thread Across Flats Dimension Bore Diameter "B" Protrusion Length "C" Installation Torque (Nm)
A/F A/C
797DM1FM1F M16 X 0.059 0.394 M16 X 0.059 0.945 1.020 0.394 1.024 7
797DM2FM2F M20 X 0.059 0.394 M20 X 0.059 0.945 1.020 0.563 1.024 7
797DM3FM3F M25 X 0.059 0.394 M25 X 0.059 1.181 1.276 0.799 1.024 10
797DM4FM4F M32 X 0.059 0.394 M32 X 0.059 1.417 1.531 1.055 1.024 15
797DM5FM5F M40 X 0.059 0.394 M40 X 0.059 1.890 2.039 1.287 1.024 25
797DM6FM6F M50 X 0.059 0.394 M50 X 0.059 2.165 2.339 1.756 1.024 30
797DM7FM7F M63 X 0.059 0.394 M63 X 0.059 2.756 2.976 2.224 1.024 45
797DM8FM8F M75 X 0.059 0.394 M75 X 0.059 3.150 3.402 2.697 1.024 45
797DM9FM9F M90 X 0.079 0.591 M90 X 0.079 3.740 4.039 3.189 1.024 45
797DM10FM10F M100 x 0.079 0.591 M100 x 0.079 4.331 4.677 3.583 1.417 45
Dimensions are displayed in Inches

NOTE: Marked with ATEX, IECEx and cCSAus certification details as standard. Other Thread Variations are available on request. Please refer to ordering guide tables in Ordering Definitions.

TECHNICAL DATA
cCSAus Approval Certificate No. 1055233
cCSAus Code of Protection Category Ex de II; Class I, Groups A, B, C and D; Class I, Zone 1, AEx de II; IP66, 67, and 68, Enclosure Type 4X.
cCSAus Compliance Standards C22.2 No. 0.5-M1982, C22.2 No. 30-M1986, C22.2 No. 94-M1991,CAN/CSA E60079-0:07, CAN/CSA E60079-1:07,CAN/CSA E60079-7:02, UL Standard 50, Eleventh Edition, UL Standard 1203, Fourth Edition, UL 60079-0, Fourth Edition, UL 60079-1, Fifth Edition, UL 60079-7, First Edition
GOST R Certificate Number POCC GB.HO06.B00207
GOST R Code of Protection Category Ex d IIC / Ex e II / DIP A21
GOST R Compliance Standards ГOCT P 52350.0-2005, ГOCT P 52350.1-2005,
ГOCT P 52350.7-2005, ГOCT MЭK 61241-1-1-99
GOST GGTN Permit PPC 00-40706
GOST K Certificate Number KZ 75000361 01 01 14761
RoK Permit For Use Number 19-02-UL-1957
Lloyds Approval No. 01/00173
DNV Approval No. E-10496
ABS Approval No. 01-LD234401C/1-PDA
INMETRO Approval Certificate Number. TUV 12.1332 X
INMETRO Code of Protection Category BR-Ex d IIC / BR-Ex e II
INMETRO Compliance Standards ABNT NBR IEC 60079-0:2006, IEC 60079-1:2007 e IEC 60079-2007:2001
NEPSI Certificate Number GYJ091017X
NEPSI Code of Protection Category Ex d IIC / Ex e II
NEPSI Compliance Standards GB3836.1-2000, GB3836.2-2003, GB3836.3-2000
RETIE Approval Number 03866
Type 797
Design Specification BS 6121:Part 1:1989, EN 50262:1999
ATEX Certification Detail SIRA01ATEX1284U, SIRA02ATEX1003X
ATEX Code of Protection Category ATEX Approved II 2GD Ex d IIC & Ex e II Component & Equipment, Zone 1, Zone 2, Zone 21 & Zone 22 – Gas Groups IIA, IIB, IIC;  ATEX Approved IM 2 Ex d I & E x e I
ATEX Compliance Standards EN 60079-0, 1, 7, EN 50281-1-1
IEC Ex Certification Detail IECEx SIR07.0052X
IEC Ex Code of Protection Category Ex d I / Ex e I / Ex d IIC / Ex e II / Ex tD A21 IP6X
IEC ExCompliance Standards IEC 60079-0, 1, 7, IEC 61231-0, 1
cCSAus Certificate 1055233
Code of Protection Ex de II; Class 1, Groups A, B C and D; Class I, Zone I, AEx de II; IP66, 67, and 68, Enclsure Type 4X

Compliance Standards

C22.2 No. 0.5, 30, 94, CAN/CSA E60079-0,1,7, UL Standard 50, Edition 11, UL Standard 1203, Edition 4, UL 60079-0, 1, 7

GOST R Certificate

POCC GB.HO06.B00207

Code of Protection

Ex d IIC / Ex e II / DIP A21

Compliance Standards

ГOCT P 52350.0,1,7, ГOCT MЭK 61241-1-1-99

GGTN Permit

PPC 00-40706

GOST K Certificate

KZ 75000361 01 01 25266

RoK Permit For Use

19-02-UL-1957

NEPSI Certificate

GYJ13.1142X

Code of Protection

Ex d IIC Gb / Ex e IIC Gb

Compliance Standards

GB3836.1,2,3

INMETRO Approval

TÜV 12.1332X

Code of Protection

Ex d IIC Gb / Ex e IIC Gb

Compliance Standards

ABNT NBR IEC 60079-0:2006, IEC 60079-1:2007 e IEC 60079-2007:2001

RETIE Approval

03866

Marine Approvals

LRS: 01/00172, ABS: 01-LD234401C/1-PDA, RMRS:011-6.11.4-5149

Continuous Operating Temperature -60°C to +200°C
Ingress Protection Rating IP66, or IP68 when fitted with a CMP “O” Ring or Entry Thread Seal
Material Brass, Electroless Nickel Plated Brass, Aluminium, Stainless Steel
Accessories Locknut, Serrated Washer, Earth Tag, Entry Thread Seal

Note: For Male to Male versions please substitute (x2) the letter F with a letter M in the ordering referenced detailed. Versions with Male to Male Parallel threads are, as an option, also available with an integral "O" Ring Seal. For such options please add the suffix letter "R" after the type number (797) in the ordering reference detailed, e.g. 797RDM2MM2M

Additional information

CMP WP 797_0311