6 Technical data
6.1
Technical data
Data
Max. product pressure
1000 kPa (10 bar) (145 psi)
Min. product pressure
Full vacuum
Recommended min. pressure for SpiralClean
2 bar (29 psi)
Temperature range
-5°C to +125°C (23°F - 257°F) (depending on rubber quality)
Air pressure
Max. 800 kPa (8 bar) (116 psi)
Materials
Product wetted steel parts
Acid-resistant steel AISI 316L
Other steel parts
Stainless steel AISI 304
Product wetted parts
EPDM, HNBR, NBR or FPM
Other seals
CIP seals: EPDM
Actuator seals
NBR
Surface finish
Internal/external matt (blasted) Ra < 1.6 (64 µ”)
Internal bright (polished) Ra < 0.8 (32µ”)
Internal/external bright (internal polished) Ra < 0.8 (32 µ”)
Note!
The Ra-values are only for the internal surface.
Recommended minimum pressure for SpiralClean: 2 bar/flow rate 1.15 m
3
/h.
Formula to estimate CIP flow during seat lift (for liquids with comparable viscosity and density to water)
Q = CIP - flow (m
3
/h)
Kv = Kv value from the below table
Δ
p = CIP pressure (bar)
Assumption: density = 1
Cv = 1.163 x Kv gpm
1 bar = 14.5 psi
DN/OD
DN
Size
51
63.5
76.1
101.6
50
65
80
100
Kv-value - upper seat-lift [m
3
/h]
1.8
2.4
2.4
3.4
1.8
2.4
2.4
3.4
Kv-value - lower seat-lift [m
3
/h]
1.3
2.1
2.1
2.6
1.3
2.1
2.1
2.6
Air consumption - upper seat-lift *[n litre]
0.2.
0.4
0.4
0.62
0.2
0.4
0.4
0.62
Air consumption - lower seat-lift *[n litre]
1.1
0.13
0.13
0.21
1.1
0.13
0.13
0.21
Air consumption - main movement *[n litre]
0.86
1.63
1.63
2.79
0.86
1.63
1.63
2.79
For further information concerning cleaning of the valve, please see section 4.2 Recommended cleaning, step 5, 6, 7 & 8.
Noise
1.6 m (5 1/4 Ft) above the exhaust the noise level of a valve actuator will be approximately 77db(A) without noise damper and
approximately 72 db(A) with damper - Measured at 7.6 bar (102 psi) air-pressure.
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