ANSI / FCI 70-3
Regulator Seat Leakage2
Leakage Class
Maximum Seat Leakage
Ѵ-vv
lo7bC1-ঞomo=-m‹Ѵ-vvķou(ˆ-Ѵˆ;‰_;u;7;vb]mbm|;m|bv|_;v-l;-v|_;
basic class, but by agreement between user and supplier, not test is required.
Ѵ-vv
0.5% of rated valve capacity
Ѵ-vv
0.1% of rated valve capacity
Ѵ-vv(
0.01% of rated valve capacity
Ѵ-vv(
Leakage per the following table as expressed in ml per minute versus seat diameter
Ѵ-vv(
Leakage per the following table as expressed in ml per minute versus seat diameter
Ѵ-vv(
No observable bubbles for a period of one (1) minute using test methodology in Note
1 below
Nominal Seat Diameter
m1_;vŐbѴѴbl;|;uvő
≤ 1 (25)
ml per minute
Bubbles per minute
0.15
1
1.5 (38)
0.30
2
2 (51)
0.45
3
2.5 (64)
0.60
4
3 (76)
0.90
6
4 (102)
1.70
11
6 (152)
4.00
27
8 (203)
6.75
45
10 (250)
11.1
-
12 (300)
16.0
-
14 (350)
21.6
-
16 (400)
28.4
-
o|;Ɛŋ†00Ѵ;vr;ulbm†|;-v|-0†Ѵ-|;7-u;-v†]];v|;7-Ѵ|;um-ঞˆ;0-v;7om-v†b|-0Ѵ;1-Ѵb0u-|;7
measuring device in this case a 6 mm (0.24 inch) O.D. x 1 mm (0.04 inch) wall tube submerged in water
to a depth of from 3 to 6 mm (0.12 to 0.24 inch)
1
Ѵ†b7om|uoѴvmvঞ|†|;"|-m7-u7ķ"ņ ƕƏŊƑķom|uoѴ(-Ѵˆ;";-|;-h-];
Ѵ†b7om|uoѴvmvঞ|†|;"|-m7-u7ķ"ņ ƕƏŊƒŊƑƏƐѵķ!;]†Ѵ-|ou";-|;-h-];
2
JORDAN
VALVE
13 13