Flowserve CB 1 Manuel d'utilisateur

1CB 1...CB 2...Installation Instructions 810707-02Swing Flap Non-Return ValvesCB 1..., CB 2...GESTRA Steam SystemsGESTRA

10FunctionScope of supplyExplanatory NotesCB 141 Swing flap non-return valve CB 141 Installation manualCB 24 S1 Swing flap non-return valve CB 24 S1 I

11Pressure/Temperature Ratings*) CB 26, steel down to –10°C at nominal pressureDN 50– 200Temperature [°C] 20 100 150 200 250 300 350 PNPressure DN 50

12Explanatory Notes – continued –Name Plate / MarkingDirection of flowSpecification impressed on valve body: CB 14, DN 50-80 to EN 19Fig. 5Size Nomi

13InstallationNoteCB 1..., CB 2...1. Observe installation instructions on page 14.2. Clean seating surfaces.3. Installation in horizontal lines: Inser

14Installation – continued –Fig. 13Fig. 14Fig. 16incorrect correctoptimum with pumpFig. 15

15OperationCB 1..., CB 2...CB 1..., CB 2...CommissioningUnfavourably or incorrectly positioned swing flap non-return valves will lead to loud clatteri

16Maintenance – continued –CB 2... Replace springs / O-ringNote that springs are preloaded which means that they can jump out of the valve bodywhen t

17Maintenance – continued –CB 2... Replace springs / O-ring – continued –Tools Combination pliers 180 mm, DIN 5244 Aligning punch, 80 mmInsert lef

18ItemDNTwo springs are required per valve. Contact your local dealer for small quantities.No spare parts available for CB 14.Stock codeO-ring NBRSpri

19ItemDNTwo springs are required per valve. Contact your local dealer for small quantities.No spare parts available for CB 14.Stock codeO-ring NBRSpri

2ContentsUsage for the intended purpose ... 8

20We hereby declare that the pressure equipment CB 1... and CB 2... conform to the following EuropeanDirective: EC Pressure Equipment Directive (PED)

21For your notes

22For your notes

23For your notes

24Great BritainItaliaEspañaUSAPortugalPolandAgencies all over the worldwww.gestra.de810707-02/604cm · © 2001 GESTRA AG · Bremen · Printed in GermanyGE

3Parts Drawing CB 1...Fig. 1ABDGE

4Parts Drawing CB 2...Fig. 2ABHCHDGFE

5AEye boltBLock nutCCentering ringDType designation (on name plate or impressed on valve body)EBodyFO-ringGDiscHSpringKey

6Pressure Drop Chart CB 1...Fig. 3V˙w= V˙ ·V˙w= Equivalent water volume flowin [l/s] or [m³/h]ρ = Density of fluid (operating condition)in kg/m³V˙w=

7Pressure Drop Chart CB 2...Fig. 4V˙w= V˙ ·V˙w= Equivalent water volume flowin [l/s] or [m³/h]ρ = Density of fluid (operating condition)in kg/m³V˙w= V

8Important NotesSafety noteThe valve must only be installed by qualified staff.Qualified staff are those persons who - through adequate training in en

9Category IIIIIIIVNominal size DN DN DN DN DNCB 14 50–80 100–200 250–300CB 24 S 50–80 100–200 250–300CB 26 50–100 125–300CB 26 A 50–100 125–300CE mark