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BONETTI ball valves series BONT
HTB and RSS/RSSA
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The
BONETTI's "HTB"
Ball Valve for high temperature and high pressure applications as well the "RSS" &
"RSSA" boiler blow down ball valves have been
"TA-Luft" tested and certified in compliance with requirements of Technical
Instruction on Air Quality Control Nr. 3.1.8.4 (TA-Luft). Test has been third party witnessed by a qualified TÜV Inspector. After 1000 cycles at ambient temperature and 500 cycles at
427 °C (800 °F), BONT "HTB", "RSS" & "RSSA" standard valves shaft
seal system demonstrates its quality and superior design features meeting TA-Luft
requirements. Performed test demonstrate that standard HTB, RSS and RSSA BONETTI BONT valves are products meeting together both "Fire Safe" and "TA_Luft" prescriptions |
Test Report
| Test object: | Static-dynamic Graphite shaft adjustable seal |
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| Valve: | BONT HTB ball valve with pneumatic actuator | |
| Actuation sequence: | 4 complete operation per min (90° + 90° path) | |
| Operation pressure & media: | 20 bars / Nitrogen | |
| Leakage test pressure & media: | 20 bars / Helium 4.6 (99.996%) | |
| Test device: | Helium mass spectrometer "VARIAN" type 258T |
| Notes | Valve
Temperature °C |
Number of Cycles | Pressure |
Acceptable
leakage value: mbar l/(s m) |
Checked
leakage value: mbar l/(s m) |
| 22 | 0 | 1 | 1.0 x 10 -4 | 1.1 x 10 -7 | |
| 22 | 0 | 20 | 1.0 x 10 -4 | 0.5 x 10 -7 | |
| 22 | 200 | 20 | 1.0 x 10 -4 | 6.5 x 10 -5 | |
| 22 | 400 | 20 | 1.0 x 10 -4 | 6.0 x 10 -5 | |
| 22 | 600 | 20 | 1.0 x 10 -4 | 6.0 x 10 -5 | |
| 22 | 800 | 20 | 1.0 x 10 -4 | 6.2 x 10 -5 | |
| 22 | 1000 | 20 | 1.0 x 10 -4 | 6.5 x 10 -5 | |
| Heating | 427 | 1000 | 6 | 1.0 x 10 -2 | 1.3 x 10 -4 |
| 427 | 1000 | 20 | 1.0 x 10 -2 | 2.0 x 10 -3 | |
| 427 | 1100 | 20 | 1.0 x 10 -2 | 1.5 x 10 -3 | |
| Air cooling | 22 | 1100 | 20 | 1.0 x 10 -2 | 2.7 x 10 -3 |
| Heating | 427 | 1200 | 20 | 1.0 x 10 -2 | 1.9 x 10 -3 |
| Air cooling | 22 | 1200 | 20 | 1.0 x 10 -2 | 4.0 x 10 -4 |
| Heating | 427 | 1300 | 20 | 1.0 x 10 -2 | 1.9 x 10 -3 |
| Air cooling | 22 | 1300 | 20 | 1.0 x 10 -2 | 3.5 x 10 -3 |
| Heating | 427 | 1400 | 20 | 1.0 x 10 -2 | 1.3 x 10 -3 |
| Air cooling | 22 | 1400 | 20 | 1.0 x 10 -2 | 3.2 x 10 -3 |
| Heating | 427 | 1500 | 20 | 1.0 x 10 -2 | 1.4 x 10 -3 |
| Air cooling | 22 | 1500 | 20 | 1.0 x 10 -2 | 3.5 x 10 -3 |
| Admitted shaft packing retightenings during test |
2 | Shaft retightenings made during test |
None | ||
Go to BONT® HTB
Ball Valve Catalogue
Go to BONT® RSS-RSSA
Ball Valve Catalogue
Copyright ©1998-2009 Cesare Bonetti S.p.A. Cesare Bonetti Società
per Azioni - Via Cesare
Bonetti, 17 - 20024 Garbagnate Milanese - Italy |
