Hawke防爆適配縮減接頭（Hawke 476 Adaptors and Reducers）
Hawke防爆適配縮減接頭（Hawke 476 Adaptors and Reducers）
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Hawke 476 Adaptors and Reducers

Flameproof Exd / Increased Safety Exe / Dual Certified ATEX - IECEx

General Information

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.

Materials & Finishes

Manufactured in Brass, Nickel Plated Brass, Steel, Nickel Plated Steel and Stainless Steel. (Aluminium for Group II use only).

Technical Data

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.
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.
Operating Temperature Range:
-60°C to +200°C.
Group I, II and III.

Hawke 476 Adaptor / Reducer (Male to Female)

Certifi cation Details • Increased Safety and Flameproof Exe IMb, Exd IMb, Exe IIC Gb,
Exd IIC Gb, Extb IIIC Db, IM2 / II 2GD. • Certifi cate No's: Baseefa11ATEX0067X and IECEx BAS 11.0037X. • GOST R certifi ed. • Operating Temperature Range -60°C to +200°C. • Group I, II and III.

Metric – 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 – USAS B 2.1
Taper 1 in 15 on Major Diameter
Size Major Dia.
(mm) TPI
3⁄8" 17.15 18
½ " 21.34 14
¾ " 26.67 14
1" 33.40 11 ½
1 ¼ " 42.16 11 ½
1 ½ " 48.26 11 ½
2" 60.33 11 ½
2 ½ " 73.03 8
3" 88. 90 8
3 ½ " 101.60 8
4" 114.30 8
5" 141.30 8
6" 168.28 8