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Thread Conversion Adaptor & Reducer Type 737 with Flameproof Ex d IIC & Increased Safety Ex e II forms of protection.
The CMP Type 737 range of Thread Conversion Adaptors & Reducers is designed to provide flexibility and versatility in the execution of construction works when there is a conflict between the type or size of the cable gland thread and the cable entry hole in the equipment. These Thread Conversion Adaptors & Reducers are available with Male to Female connection threads and can be supplied with thread conversion between the forward and rear threads to either an increased or reduced size or a different thread type, e.g. Metric to NPT, or NPT or Metric. Please refer to the Product Selection Table For 737 Adaptors and Reducers listed as a PDF below.
CMP 737 Thread Conversion Adaptors & Reducers are available in Brass, Aluminium Stainless Steel or Nylon and can be supplied for both Industrial and Hazardous Area applications, with Ex "d" & Ex "e" Component Approval (Nylon Version is Ex e only).
The CMP 737 Adaptor & Reducer range is also optionally available with an integral "O" Ring seal when the male thread is parallel.
| TECHNICAL DATA
Please click a logo to display it's certification information |
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| 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 (Not available in Nylon) |
| 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 (Ex e II only on Nylon version) |
| 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 (BR-Ex e II only on Nylon version) |
| 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 (Ex e II only on Nylon version) |
| NEPSI Compliance Standards | GB3836.1-2000, GB3836.2-2003, GB3836.3-2000 |
| RETIE Approval Number | 03866 |
| Type | 737 |
| Design Specification | EN 50262:1989, BS 6121:Part 1:1989 |
| ATEX Certification Detail | SIRA01ATEX1284U, SIRA02ATEX1003X |
| ATEX Code of Protection Category | ATEX  II 2 GD Ex d IIC & Ex e II - Component & Equipment,
Zone 1, Zone 2, Zone 21, & Zone 22 - Gas Groups IIA, IIB, IIC,
ATEX IM2 Ex d I, Ex e I, (ATEX II 2 GD Ex e II only on Nylon Version) |
| ATEX Compliance Standards | EN 60079-0, EN 60079-1, EN 60079-7, EN 50281-1-1 |
| IEC Ex Certification Detail | IEC Ex SIR07.0052X |
| IEC Ex Code of Protection Category | Ex d I, Ex e I, Ex d IIC, Ex e II, Ex tD A21 IP6X (Ex e II only on Nylon version) |
| IEC Ex Compliance Standards | IEC 60079-0, IEC 60079-1, IEC 60079-7, IEC 61241-0, IEC 61241-1 |
| Continuous Operating Temperature | -60°C to +200°C (Metallic), -20°C to +60°C (Nylon) |
| 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 | Serrated Washer, Earth Tag, Locknut, Entry Thread Sealing Washer |
HOW TO ORDER –
e.g. 737-D-M-2-M-3-4 = Dual Certified Ex d & Ex e – M20 – (M) x M25 (F) - Stainless Steel
Marked with ATEX, IECEx and cCSAus certification details as standard. Please refer to Ordering Guide Tables for reference definitions, denoting material variants. When ordering please notify CMP Products in your order if alternative approval markings are required.
Note: When ordering Adaptors & Reducers always state the Male Thread size first.
Please refer to the Product Selection Table and the Ordering Definitions (detailed under Additional Information) for reference definitions. Other Thread Variations are available on request. Please refer to Product Selection Table (detailed under Additional Information) for dimensions.
It should be noted that when using CMP Type 737 Thread Conversion Adaptors and Reducers in association with Explosion Protected electrical equipment the following basic rules must be observed in line with good engineering practice:-
- No more than one conversion adaptor or reducer should be used at one time on any given cable entry.
- Stopping plugs should be fitted directly into unused entries of the equipment, and not into an adaptor or reducer.
- The female connection thread of a Thread Conversion Adaptor shall ‘step’ not more than two ‘size’ up in the case of a thread gender change.
Example ; M20 (M) to M32 (F) or M20 (M) to 1” NPT (F) is permitted
Where as M20 (M) to M40 (F) or M20 (M) to 1-1/2” NPT (F) is not permitted
| 737 ADAPTOR DETAIL | A01 | A02 | A03 | A04 | A05 | A06 | A07 | A08 | A09 | A10 | A11 | A12 | A13 | A14 | A15 | A16 | A17 | A18 | A19 | A20 | A21 | A22 | A23 | A24 | A25 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Across Flats Dimension "A" | 24.0 | 24.0 | 24.0 | 30.0 | 30.0 | 30.0 | 30.0 | 36.0 | 36.0 | 36.0 | 46.0 | 46.0 | 46.0 | 46.0 | 55.0 | 55.0 | 55.0 | 55.0 | 55.0 | 65.0 | 65.0 | 65.0 | 65.0 | 70.0 | 70.0 |
| Across Corners Diameter "B" | 26.4 | 26.4 | 26.4 | 33.0 | 33.0 | 33.0 | 33.0 | 39.6 | 39.6 | 39.6 | 50.6 | 50.6 | 50.6 | 50.6 | 60.5 | 60.5 | 60.5 | 60.5 | 60.5 | 71.5 | 71.5 | 71.5 | 71.5 | 77.0 | 77.0 |
| Male Min Thread Length (Metric) "C" | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 19.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 |
| Male Min Thread Length (NPT) "C" | - | - | 19.9 | - | - | 19.9 | 20.2 | 19.9 | 20.2 | 25.0 | 19.9 | 20.2 | 25.0 | 25.6 | - | 25.0 | 25.6 | 26.1 | - | 25.6 | 26.1 | - | 26.9 | 25.6 | 26.1 |
| Female Thread Length (Metric) "D" | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 |
| Female Thread Length (NPT) "D" | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 17.0 | 17.0 | 17.0 | 17.0 | - | 17.0 | 17.0 | 17.0 | 17.0 | 17.0 | 17.0 | 17.0 | 17.0 | - | - |
| Protrusion Length "F" | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 |
| Nominal Bore "G" | 8.0 | 10.0 | 14.0 | 8.0 | 10.0 | 14.0 | 20.0 | 14.0 | 20.0 | 26.0 | 14.0 | 20.0 | 26.0 | 32.0 | 20.0 | 26.0 | 32.0 | 38.0 | 44.0 | 32.0 | 38.0 | 44.0 | 49.0 | 32.0 | 38.0 |
| 737 ADAPTOR DETAIL | A26 | A27 | A28 | A29 | A30 | A31 | A32 | A33 | A34 | A35 | A36 | A37 | A38 | A39 | A40 | A41 | A42 | A43 | A44 | A45 | A46 | A47 | A48 | A49 | A50 |
| Across Flats Dimension "A" | 70.0 | 70.0 | 70.0 | 80.0 | 80.0 | 80.0 | 80.0 | 85.0 | 85.0 | 85.0 | 85.0 | 85.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 115.0 | 115.0 | 115.0 | 115.0 | 115.0 | 123.0 | 123.0 | 123.0 |
| Across Cormers Diameter "B" | 77.0 | 77.0 | 77.0 | 88.0 | 88.0 | 88.0 | 88.0 | 93.5 | 93.5 | 93.5 | 93.5 | 93.5 | 110.0 | 110.0 | 110.0 | 110.0 | 110.0 | 126.5 | 126.5 | 126.5 | 126.5 | 126.5 | 135.3 | 135.3 | 135.3 |
| Male Min Thread Length (Metric) "C" | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 15.0 | 20.0 | 20.0 | 15.0 | 22.0 | 22.0 | 22.0 | 22.0 | 22.0 | 22.0 | 22.0 | 22.0 | 22.0 | 24.0 |
| Male Min Thread Length (NPT) "C" | - | 26.9 | - | 26.1 | - | 26.9 | 39.9 | 26.1 | - | 26.9 | 39.9 | - | 26.9 | 39.9 | - | 41.5 | - | 39.9 | - | 41.5 | 42.8 | - | 41.5 | 42.8 | 44.0 |
| Female Thread Length (Metric) "D" | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 | 16.0 |
| Female Thread Length (NPT) "D" | - | 17.0 | - | 23.0 | 23.0 | 23.0 | 23.0 | - | - | - | - | 23.0 | 25.0 | 25.0 | 25.0 | 25.0 | 25.0 | 36.5 | 36.5 | 36.5 | 36.5 | 36.5 | 36.5 | 36.5 | 36.5 |
| Protrusion Length "F" | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 20.0 | 24.0 | 24.0 | 24.0 | 24.0 | 24.0 | 24.0 | 35.0 | 35.0 | 35.0 | 35.0 | 40.0 | 40.0 | 40.0 |
| Nominal Bore "G" | 44.0 | 49.0 | 56.0 | 38.0 | 44.0 | 49.0 | 56.0 | 38.0 | 44.0 | 49.0 | 56.0 | 68.0 | 49.0 | 56.0 | 68.0 | 75.0 | 80.0 | 56.0 | 68.0 | 75.0 | 80.0 | 90.0 | 75.0 | 80.0 | 90.0 |
| 737 REDUCER DETAIL | R01 | R02 | R03 | R04 | R05 | R06 | R07 | R08 | R09 | R10 | R11 | R12 | |||||||||||||
| Across Flats Dimension "A" | 24.0 | 30.0 | 36.0 | 46.0 | 55.0 | 65.0 | 70.0 | 80.0 | 85.0 | 100.0 | 115.0 | 123.0 | |||||||||||||
| Across Cormers Diameter "B" | 26.4 | 33.0 | 39.6 | 49.5 | 60.5 | 71.5 | 77.0 | 96.8 | 93.5 | 110.0 | 126.5 | 135.3 | |||||||||||||
| Male Min Thread Length (Metric) "C" | 15.0 | 15.0 | 15.0 | 15.0 | 16.3 | 15.0 | 15.0 | 15.0 | 15.0 | 22.0 | 22.0 | 22.0 | |||||||||||||
| Male Min Thread Length (NPT) "C" | 19.9 | 20.2 | 25.0 | 25.6 | 26.1 | 26.9 | - | 39.9 | - | 41.5 | 42.8 | 44.0 | |||||||||||||
| Protrusion Length "F" | 8.0 | 8.0 | 8.0 | 8.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | |||||||||||||
| Please note - Figures for guidance only - please contact CMP for further details | |||||||||||||||||||||||||
| Female Thread Size | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Metric | NPT & BSPP | PG | ||||||||||||||||||||||||||||
| M16 | M20 | M25 | M32 | M40 | M50 | M63 | M75 | M90 | M100 | 1/2" | 3/4" | 1" | 1-1/4" | 1-1/2" | 2" | 2-1/2" | 3" | 3-1/2" | 4" | PG7 | PG9 | PG11 | PG13.5 | PG16 | PG21 | PG29 | PG36 | PG42 | PG48 | |
| METRIC | ||||||||||||||||||||||||||||||
| M16 | A02 | A02 | A05 | A02 | A05 | R01 | A02 | A02 | A02 | A05 | ||||||||||||||||||||
| M20 | R01 | A03 | A06 | A08 | A03 | A06 | A08 | R01 | R01 | A03 | A03 | A06 | A08 | A11 | ||||||||||||||||
| M25 | R02 | R02 | A07 | A09 | A12 | R02 | A07 | A09 | A12 | R02 | R02 | R02 | R02 | A07 | A09 | A12 | ||||||||||||||
| M32 | R03 | R03 | R03 | A10 | A13 | A16 | R03 | R03 | A10 | A13 | A16 | R03 | R03 | R03 | R03 | R03 | A10 | A13 | A16 | |||||||||||
| M40 | R04 | R04 | R04 | R04 | A14 | A17 | A24 | R04 | R04 | R04 | A14 | A17 | A20 | R04 | R04 | R04 | R04 | R04 | R04 | A14 | A17 | A20 | A24 | |||||||
| M50 | R05 | R05 | R05 | R05 | R05 | A19 | A26 | A34 | R05 | R05 | R05 | R05 | A19 | A22 | A30 | R05 | R05 | R05 | R05 | R05 | R05 | R07 | A19 | A22 | A26 | |||||
| M63 | R07 | R07 | R07 | R07 | R07 | R07 | A28 | A36 | A39 | R06 | R06 | R06 | R06 | R06 | A28 | A32 | A39 | R07 | R07 | R07 | R07 | R07 | R07 | R07 | R07 | R07 | A28 | |||
| M75 | R09 | R09 | R09 | R09 | R09 | R09 | R09 | A37 | A40 | A44 | R07 | R07 | R07 | R07 | R07 | R07 | A37 | A40 | A44 | R09 | R09 | R09 | R09 | R09 | R09 | R09 | R09 | R09 | R09 | |
| M90 | R10 | R10 | R10 | R10 | R10 | R10 | R10 | R10 | A42 | A46 | R08 | R08 | R08 | R08 | R08 | R08 | R08 | A42 | A46 | A49 | R10 | R10 | R10 | R10 | R10 | R10 | R10 | R10 | R10 | R10 |
| M100 | R11 | R11 | R11 | R11 | R11 | R11 | R11 | R11 | R11 | A47 | R09 | R09 | R09 | R09 | R09 | R09 | R09 | R09 | A47 | A50 | R11 | R11 | R11 | R11 | R11 | R11 | R11 | R11 | R11 | R11 |
| NPT & BSPP | ||||||||||||||||||||||||||||||
| 1/2" | R01 | A03 | A06 | A08 | A03 | A06 | A08 | R01 | R01 | A03 | A03 | A06 | A08 | A11 | ||||||||||||||||
| 3/4" | R02 | R02 | A07 | A09 | A12 | R02 | A07 | A09 | A12 | R02 | R02 | R02 | A07 | A07 | A09 | A12 | ||||||||||||||
| 1" | R03 | R03 | R03 | A10 | A13 | A16 | R03 | R03 | A10 | A13 | A16 | R03 | R03 | R03 | R03 | R03 | A10 | A13 | A16 | |||||||||||
| 1-1/4" | R04 | R04 | R04 | R04 | A14 | A17 | A24 | R04 | R04 | R04 | A14 | A17 | A20 | R04 | R04 | R04 | R04 | R04 | R04 | A14 | A17 | A20 | ||||||||
| 1-1/2" | R05 | R05 | R05 | R05 | R05 | A18 | A25 | A33 | R05 | R05 | R05 | R05 | A18 | A21 | A29 | R05 | R05 | R05 | R05 | R05 | R05 | R05 | A18 | A21 | A25 | |||||
| 2" | R06 | R06 | R06 | R06 | R06 | R06 | A27 | A35 | A38 | R06 | R06 | R06 | R06 | R06 | A23 | A31 | A38 | R06 | R06 | R06 | R06 | R06 | R06 | R06 | R06 | R06 | A27 | |||
| 2-1/2" | R08 | R08 | R08 | R08 | R08 | R08 | R08 | A36 | A39 | A43 | R08 | R08 | R08 | R08 | R08 | R08 | A32 | A39 | A43 | R08 | R08 | R08 | R08 | R08 | R08 | R08 | R08 | R08 | R08 | |
| 3" | R10 | R10 | R10 | R10 | R10 | R10 | R10 | R10 | A41 | A45 | R10 | R10 | R10 | R10 | R10 | R10 | R10 | A41 | A45 | A48 | R10 | R10 | R10 | R10 | R10 | R10 | R10 | R10 | R10 | R10 |
| 3-1/2" | R11 | R11 | R11 | R11 | R11 | R11 | R11 | R11 | A46 | R11 | R11 | R11 | R11 | R11 | R11 | R11 | R11 | A46 | A49 | R11 | R11 | R11 | R11 | R11 | R11 | R11 | R11 | R11 | R11 | |
| 4" | R12 | R12 | R12 | R12 | R12 | R12 | R12 | R12 | R12 | R12 | R12 | R12 | R12 | R12 | R12 | R12 | R12 | R12 | R12 | A50 | R12 | R12 | R12 | R12 | R12 | R12 | R12 | R12 | R12 | R12 |
| PG | ||||||||||||||||||||||||||||||
| PG7 | A01 | A01 | A04 | A01 | A04 | A01 | A01 | A01 | A01 | A04 | ||||||||||||||||||||
| PG9 | A02 | A02 | A05 | A02 | A05 | A02 | A02 | A02 | A02 | A05 | ||||||||||||||||||||
| PG11 | A03 | A03 | A06 | A08 | A03 | A06 | A08 | A03 | A03 | A03 | A03 | A06 | A08 | |||||||||||||||||
| PG13.5 | A03 | A03 | A06 | A08 | A03 | A06 | A08 | R01 | R01 | A03 | A03 | A06 | A08 | A11 | ||||||||||||||||
| PG16 | R02 | A06 | A06 | A08 | A11 | A06 | A06 | A08 | A11 | R02 | R02 | R02 | A06 | A06 | A08 | A11 | ||||||||||||||
| PG21 | R03 | R03 | A09 | A09 | A12 | A15 | R03 | A09 | A09 | A12 | R03 | R03 | R03 | R03 | A09 | A09 | A12 | A15 | ||||||||||||
| PG29 | R04 | R04 | R04 | R04 | A14 | A17 | A24 | R04 | R04 | A14 | A14 | A17 | A20 | R04 | R04 | R04 | R04 | R04 | R04 | A14 | A17 | A20 | ||||||||
| PG36 | R05 | R05 | R05 | R05 | R05 | A18 | A25 | A33 | R05 | R05 | R05 | A18 | A18 | A21 | R05 | R05 | R05 | R05 | R05 | R05 | R05 | A18 | A21 | A25 | ||||||
| PG42 | R06 | R06 | R06 | R06 | R06 | A22 | A26 | A34 | R06 | R06 | R06 | R06 | R06 | A22 | A30 | R06 | R06 | R06 | R06 | R06 | R06 | R06 | R06 | A22 | A26 | |||||
| PG48 | R07 | R07 | R07 | R07 | R07 | R07 | A27 | A35 | A38 | R07 | R07 | R07 | R07 | R07 | A27 | A31 | A38 | R07 | R07 | R07 | R07 | R07 | R07 | R07 | R07 | R07 | A27 | |||
Additional information
- Fitting Instructions : Hazardous | Industrial
- Printer Friendly
CMP WP 737_0511
