This document provides information on flameproof and increased safety certified adaptors and reducers for connecting threaded pipes and cables. It includes details on certifications, materials, thread sizes ranging from M12 to M130 and various international standards that are met. An ordering matrix shows the available male and female thread combinations between metric, imperial and other international standards.
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Hawke 476 GLAND REDUCER ACCESSORIES
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Flameproof Exd / Increased Safety Exe
Dual Certified ATEX / IECEx
476 Adaptors / Reducers
Overview
Product Thread Size Material Finish
476/Reducer M32 Male x M20 Female Stainless Steel N/A
Product Thread Size Material Finish
476/Adaptor M20 Male x 1" NPT Female Brass Nickel Plated
Ordering Examples:
476 Adaptor / Reducer (Male to Female)
Always state the male thread first
Always state the male thread firstOrdering Example:
Certification Details
? Increased Safety and Flameproof Exe IMb, Exd IMb, Exe IIC Gb,
Exd IIC Gb, Extb IIIC Db, IM2 / II 2GD.
? Certificate No's: Baseefa11ATEX0067X and IECEx BAS 11.0037X.
? GOST R certified.
? Operating Temperature Range -60¡ãC to +200¡ãC.
? Group I, II and III.
General Information
? Manufactured in Brass, Nickel Plated Brass, Steel, Nickel Plated
Steel and Stainless Steel. (Aluminium for Group II use only).
? M12 to M130 (3?8" NPT to 6" NPT) as standard.
? Other thread options available on request, including
BSPP, BSPTr, PG, ET, NPT and NPSM.
? Up to two step thread sizes above the male thread on the adaptor
is permitted.
? Suitable for use in Zone 1, Zone 2, Zone 21 and Zone 22.
? Construction and Test Standards: IEC/EN 60079-0, IEC/EN 60079-1
IEC/EN 60079-7 and IEC/EN 60079-31.
? Ingress Protection: IP66.
? Assembly Instruction Sheet: AI 380.
Note: When ordering metric threads larger than M75,
include the thread pitch details.
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KEY: METRIC & ET
A = ADAPTOR
R = REDUCER
?"
5?8"
?"
1"
1?"
1?"
2"
2?"
M12
M16
M20
M25
M32
M40
M50
M63
M75
M80
M90
M100
M110
M115
M120
M130
MALETHREAD
METRIC&ET
?" * M12 * A A A
5?8" * M16 * A A A A
?" M20 R A A A A
1" M25 R R R A A A
1 ?" M32 R R R R A A A
1 ?" M40 R R R R R A A A
2" M50 R R R R R R A A A
2 ?" M63 R R R R R R R A A A
M75 R R R R R R R R A A A
M80 R R R R R R R R R A A A
M90 R R R R R R R R R R A A A
M100 R R R R R R R R R R R A A A
M110 R R R R R R R R R R R R A A A
M115 R R R R R R R R R R R R R A A A
M120 R R R R R R R R R R R R R R A A
M130 R R R R R R R R R R R R R R R A
NPT,BSPP,BSPTr&NPSM
3?8" * A A A A
?" R A A A A
?" R R R A A A
1" R R R R A A A
1 ?" R R R R R A A A
1 ?" R R R R R R A A A
2" R R R R R R R A A A
2 ?" R R R R R R R R A A A
3" R R R R R R R R R R A A A
3 ?" R R R R R R R R R R R A A A
4" R R R R R R R R R R R R A A A
5" R R R R R R R R R R R R R R R R
6" R R R R R R R R R R R R R R R R
PG
PG7 * A A A
PG9 * A A A
PG11 * R A A A
PG13.5 R A A A A
PG16 R R A A A A
PG21 R R R A A A
PG29 R R R R R A A A
PG36 R R R R R R A A A
PG42 R R R R R R A A A
PG48 R R R R R R R A A
Adaptors / Reducers
Pipe Gauge
PG ¨C DIN 40430
Size
Major Dia.
(mm)
TPI
PG 7 12.50 20
PG 9 15.20 18
PG 11 18.60 18
PG 13.5 20.40 18
PG 16 22.50 18
PG 21 28.30 16
PG 29 37.00 16
PG 36 47.00 16
PG 42 54.00 16
PG 48 59.30 16
Metric ¨C BS 3643
Size
Major Dia.
(mm)
Pitch
(mm)
M12 11.97 1.5
M16 15.97 1.5
M20 19.97 1.5
M25 24.97 1.5
M32 31.97 1.5
M40 39.97 1.5
M50 49.97 1.5
M63 62.97 1.5
M75 74.97 1.5
M80 79.97 2.0
M90 89.97 2.0
M100 99.97 2.0
M110 109.97 2.0
M115 114.97 2.0
M120 115.97 2.0
M130 129.97 2.0
National Pipe Thread NPT ¨C USAS B 2.1
Taper 1 in 15 on Major Diameter
Size
Major Dia.
(mm)
TPI
3?8" 17.15 18
?" 21.34 14
?" 26.67 14
1" 33.40 11 ?
1 ?" 42.16 11 ?
1 ?" 48.26 11 ?
2" 60.33 11 ?
2 ?" 73.03 8
3" 88. 90 8
3 ?" 101.60 8
4" 114.30 8
5" 141.30 8
6" 168.28 8
* Group II Only.
MOHD. BIN AHMED AKBAR TRADING EST.
(Electrical, Automation & Instrumentation)
Al Sahaba Street | P.O Box 30073 | Jubail 31951 | Kingdom of Saudi Arabia
Tel: 00966 (0) 13 3635225, 13 3618081 | Fax: 00966 (0) 13 363 3883 |
mail@akbartrading.com | www.akbartrading.com
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Adaptors / Reducers
FEMALE THREAD
NPT, BSPP, BSPTr & NPSM PG
3?8"
?"
?"
1"
1?"
1?"
2"
2?"
3"
3?"
4"
5"
6"
PG7
PG9
PG11
PG13.5
PG16
PG21
PG29
PG36
PG42
PG48
A A A A A
A A A A A A A
A A A A R A A A A A
R A A A A R R R A A A A
R R R A A A R R R R R A A A
R R R R A A A R R R R R R A A A
R R R R R A A A R R R R R R R A A A
R R R R R R A A A R R R R R R R R R A
R R R R R R R A A A R R R R R R R R R R
R R R R R R R R A A A R R R R R R R R R R
R R R R R R R R A A A R R R R R R R R R R
R R R R R R R R R A A A R R R R R R R R R R
R R R R R R R R R R A A A R R R R R R R R R R
R R R R R R R R R R A A A R R R R R R R R R R
R R R R R R R R R R R A A R R R R R R R R R R
R R R R R R R R R R R A A R R R R R R R R R R
A A A A A A A
A A A A R R A A A A
R A A A A R R R R A A A
R R R A A A R R R R R A A A
R R R R A A A R R R R R R A A A
R R R R A A A A R R R R R R R A A A
R R R R R R A A A R R R R R R R R A A
R R R R R R R A A A R R R R R R R R R R
R R R R R R R R A A A R R R R R R R R R R
R R R R R R R R R A A A R R R R R R R R R R
R R R R R R R R R R A A A R R R R R R R R R R
R R R R R R R R R R R A A R R R R R R R R R R
R R R R R R R R R R R R A R R R R R R R R R R
A A A A A
A A A A A A
A A A R A A A A
A A A A R R A A A A
R A A A R R A A A A A
R R A A A R R R R R A A A
R R R A A A R R R R R R A A A
R R R R A A A R R R R R R R A A A
R R R R R R A A R R R R R R R R A A
R R R R R R A A R R R R R R R R R A
Electrical Thread Imperial
ET ¨C BS 31
Size
Major Dia.
(mm)
TPI
?" 12.50 18
5?8" 15.88 16
?" 19.05 16
1" 25.40 16
1 ?" 31.75 16
1 ?" 38.10 14
2" 50.80 14
2 ?" 63.50 14
British Standard Pipe - Parallel
BSPP ¨C BS 2779 & BSPTr ¨C BS 21
Size
Major Dia.
(mm)
TPI
3?8" 16.66 19
?" 20.96 14
?" 26.44 14
1" 33.25 11
1 ?" 41.91 11
1 ?" 47.80 11
2" 59.61 11
2 ?" 75.18 11
3" 87.88 11
4" 113.03 11
5" 138.43 11
6" 163.35 11
National Pipe Straight Mechanical
NPSM ¨C USAS B 2.1
Size
Major Dia.
(mm)
TPI
3?8" 17.15 18
?" 21.34 14
?" 26.67 14
1" 33.40 11 ?
1 ?" 42.16 11 ?
1 ?" 48.26 11 ?
2" 60.33 11 ?
2 ?" 73.03 8
3" 88. 90 8
3 ?" 101.60 8
4" 114.30 8
5" 141.30 8
6" 168.28 8
MOHD. BIN AHMED AKBAR TRADING EST.
(Electrical, Automation & Instrumentation)
Al Sahaba Street | P.O Box 30073 | Jubail 31951 | Kingdom of Saudi Arabia
Tel: 00966 (0) 13 3635225, 13 3618081 | Fax: 00966 (0) 13 363 3883 |
mail@akbartrading.com | www.akbartrading.com