| 2nd stage, brown, semi concealed meter box assembly suitable for external installation only, complete with lid and fixings. |
KEY |
DESCRIPTION |
|
A |
PE connection/ball valve adaptor (25 mm) |
|
c/w Schrader test point and lockable handle |
B |
Mesura 2nd stage UPSO/OPSO regulator, |
|
Max. pressure inlet : |
4 bar |
|
Min. pressure inlet : |
0.5 bar |
|
Operating pressure : |
37 mbar |
|
OPSO : |
75 mbar |
|
UPSO : |
28 mbar |
|
Limited relief : |
55 mbar |
C |
3⁄4" BSP ball valve (approved to EN 331) |
D |
G4 primary domestic gas meter to EN 1359 BS 4161 (badged to EEC 71/318) |
|
c/w outlet test point and pulse facility |
|
Inlet/outlet : |
1" BS 746 male |
|
Holes centres: |
152 mm |
|
Capacity : |
4 m³/hr (propane) |
E |
22 mm compression elbow |
F |
Hole drilled to suit 22 mm copper pipe |
