CLA-VAL 90-01, Техническая документация инструкция

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CLA-VAL Form
Valve Specification
`
CLA-VAL Europe www.cla-val.ch cla-val@cla-val.ch 4 - IT536E D 11/08
FLANGES DN
≤
600 Standard Test CLA-VAL IT123
Pressure (bar) Test pressure (bar)
Flange drilling (CLASS)
PFA PT1 PT2
† ISO PN 10 10 bar 15 bar 11 bar
† ISO PN 16 16 bar 25 bar 18 bar
† ISO PN 25 25 bar 38 bar 28 bar
† ISO PN 40 40 bar 44 bar 44 bar
† ANSI 125 175 psi (12 bar) 18 bar 14 bar
† ANSI 150 250 psi (17 bar) 26 bar 19 bar
† ANSI 250 400 psi (28 bar) 42 bar 31 bar
†
ANSI 300 400 psi (28 bar) 42 bar 31 bar
R
On request: †
CE Test IT122
†
Air Test IT125
†
TYTAN Test IT126
Definitions:
PFA: Allowable operating pressure: Maximum hydrostatic pressure that a component is capable of withstanding continuously in service.
PT1: Test Pressure 1: Pressure test used for:
←
Shell pressure test.
PT2: Test Pressure 2: Pressure test used for:
↑
Pilot system pressure test.
→
Seat tightness test.
↓
Diaphragm tightness test.
TYPE OF FLUID AND CLA-VAL STANDARDS
†
Drinking water
†
Industrial water
†
Brackish water Temperature:
S
†
Irrigation water
†
Demineralised water
†
Sea water
†
Material in suspension
CLA-VAL STANDARDS FOR MATERIAL
Main valve Pilot circuit
•
Drinking water (PN 10-25)
•
Irrigation water
•
Active Cl < 0,30 mg/l
•
Total salts < 1,0 g/l
†
STD (Standard)
NGE / GE / AE / EAE / TDV
•
Body: ductile iron*
•
Mechanism**: SS 303
•
Bolting: SS 303
•
Body: bronze
•
Mechanism: SS 303
•
Drinking water (PN 40+)
•
Industrial water
•
Active Cl < 0,50 mg/l
•
Total salts. < 5,0 g/l
†
WWS (Waterworks)
NGE-316 / Roll Seal
•
Body: SS 316
•
Mechanism**: SS 303
•
Bolting: SS 303
•
Body: SS 316L
•
Mechanism: SS 303 minimum
•
Industrial water
•
Brackish water
•
Active Cl < 1,00 mg/l
•
Total salts < 10,0 g/l
†
IND (Industry)
NGE-316 / Roll Seal
•
Body: SS 316
•
Mechanism**: SS 316
•
Bolting: SS 316
•
Body: SS 316L
•
Mechanism: SS 316 minimum
•
Brackish water
•
Sea water
•
Active Cl < 1,00 mg/l
•
Total salts < 40,0 g/l
†
OFS (Offshore, Marine)
NGE-316 / Roll Seal
•
Body: SS 316
•
Mechanism**: Monel
•
Bolting: SS 316
•
Body: SS 316L
•
Mechanism: Monel minimum
•
Brackish water
•
Sea water
•
Active Cl < 0,30 mg/l
•
Total salts < 40,0 g/l
†
SWS (Sea Water Service)
NGE / GE / AE / EAE / TDV
•
Body: ductile iron*
•
Mechanism**: Monel
•
Bolting: SS 316
•
Body: marine grade bronze
•
Mechanism: Monel minimum
T
* Ductile iron: GGG 40 epoxy coated 250
μ
m min
** Mechanism: stem, stem nut and cover bearing.
Standard seat and disc guide: SS 316
CLA-VAL STANDARDS FOR ELASTOMERS
Active Cl Total salts Note
†
EPDM < 0,3 mg/l < 10g/l Standard CLA-VAL
†
NBR < 0,3 mg/l < 40g/l
†
Viton or Teflon protection > 0,3 mg/l < 40g/l
U
†
EPDM, Viton or Teflon protection Ozone (O
3
)
CLA-VAL STANDARDS FOR CALCAREOUS PROTECTION
†
Neutral water (pH 7 - 9 / hardness: 15°F / active Cl < 0,1 mg/l) STANDARD
†
Aggressive water (CO
2
attack, pH 6 - 7) WWS minimum recommended
V
†
Incrusting water (calcareous precipitation, hardness > 20°F) Delrin (
Δ
P < 5 bar) or Teflon protection