Specifications and
Standards
* Specifically gives the 4.5 kg and 0.5 kg versions as test apparatus but any Clegg Hammer can be used under ASTM D 5874
* Specifically gives the 4.5 kg and 0.5 kg versions as test apparatus but any Clegg Hammer can be used under ASTM D 5874
Hammer Weight
&
Diameter
British
Gas Spec
AS
1289.6.9.1
ASTM
D 5874
ASTM
F 1543
ASTM
F 1702
ASTM
F 1936
MRWA
Dry-Back
Spec
EPA (US) Recomm. to Gas Utilities
0.5 kg
5 cm Φ
X
2.25 kg
5 cm Φ
x*
X
X
4.5 kg
5 cm Φ
X
X
X
X
9.1 kg
13 cm Φ
x*
X
10 kg
13 cm Φ
x*
X
20 kg
13 cm Φ
x*