Flowserve MK 45 User Manual Page 1

1MK 45MK 45AInstallation Instructions 810348-06Steam TrapsSteam TrapsMK 45, MK 45AGESTRA Steam SystemsGESTRA

10Technical Data MK 45A (Stainless Steel Design)Explanatory Notes – continued –1) Observe pressure/temperature ratings!2) Inlet pressure minus outlet

11Capacity rating 1Low flowrateCapacity rating 2High flowrateFig. 4 Fig. 5Name Plate MK 45MADE BY GESTRAMK45-1 MK45-2MADE BY GESTRAExplanatory Notes

12InstallationMK45, MK 45A1. Observe correct position of installation.2. Observe direction of flow. The flow arrow is on the trap body.3. Consider spa

13Attention Only qualified welders certified e. g. according to DIN EN 287 may weld the steamtrap into pressurized lines. Do not insulate steam trap.I

14Maintenance – continued –1. Observe note “Danger” on page 7.2. Unscrew sealing plug L and remove strainer J.3. Clean strainer, sealing plug and gas

15Maintenance – continued –Spare PartsSpare Parts ListTorquesItem Designation Torque [Nm]Nozzle insert 90Body screws 25Sealing plug 120All torques ar

16Great BritainFlowserve Flow Control (UK) Ltd.Burrel Road, Haywards HeathWest Sussex RH 16 1TLTel. 00 44 14 44 / 31 44 00Fax 00 44 14 44 / 31 45 57E-

2ContentsUsage for the intended purpose ... 7

3Capacity ChartFig. 1Capacity[bar][psi]∆PMX[lb/h][kg/h]0.1 0.3 0.6 1 3 6 100.2 0.4 0.8 2 4 8 2211111Max. flowrate of cold condensatefor MK 45-2, MK 45

4DesignFig. 2ABCDEFGHIJKLo o2p2p

5Checking of Capsule≥ 3.2 mmFig. 3≤ 2.6 mm≤ 3.8 mm≥ 4.4 mmCapsule o for nozzle insert with tandem seat p: 5 N 1, 5 U 1Capsule intact Capsule defec

6AHexagon-head screw M 10x 25BName plateCCoverDSpringECapsuleoCapsule for tandem seatCapsule for single seatFNozzle insert with non-return valve actio

7Important NotesSafety NotesInstallation must only be performed by qualified staff.Qualified staff are those persons who – through adequate training i

8Explanatory NotesScope of SupplyMK451 Steam trap MK 451 Installation manualMK 45A1 Steam trap MK 45 A1 Installation manualDescriptionThermostatic ste

9Technical Data MK 45Explanatory Notes – continued –1) Observe pressure/temperature ratings!2) Inlet pressure minus outlet pressure04NP54KMsgnitaReru