User manual
B.S.
5440 2
.
I.S.813
) NSAI-
Domestic Gas Installations I.S.813(
.
/
)
20 (
.
400 .
400 50
.
7
I.S.813
) NSAI-Domestic Gas Installations
I.S.813 - ( .
8.3
.
.
) ( G 1/2
) (
.
.
A B C
A(
B(
C(
.
R 1/2
) 1/2 BSP.(
.
.
ISO 10380 ISO 10807.
.
.
.
.
.
:
) .(
11