DELTA MS4-UK0.qxp / 05.2008 General Terms This operating manual should be read carefully by the competent operating and maintenance personnel. We point out that we will not accept any liability for damage or malfunctions resulting from the non-compliance with this operating manual.
DELTA MS4-UK0.qxp / 05.2008 Mode of Operation The diaphragm valves DELTA MS4 have been designed for DELTA MS4 use in the brewing and beverage industries, in the dairy and food industries as well as for chemical and pharmaceutical Control Unit applications.
DELTA MS4-UK0.qxp / 05.2008 Auxiliary Equipment Valve position indication (fig. 4.1) fig. 4.1 A valve position indicator can be installed direct at the actuator. Proximity switches to signal the limit position of the valve seat can be installed at the proximity switch holder (PSH) indicator if required.
DELTA MS4-UK0.qxp / 05.2008 Installation - Installation has to be undertaken in such a way that fluids can drain off the valve housing and should preferably be done in vertical position. - The valve housing can be welded direct into the pipeline (completely dismantable valve insert).
DELTA MS4-UK0.qxp / 05.2008 Dimensions / Weights 6.1 Diaphragm valve MS41, MS42 Diaphragm valve with with Control Unit valve position indication housing variants dimensions in mm ø Di ø K weight in kg 455,5 394,5 522,5 461,5 461,5 400,5 533,5 472,5 14,2 15,2...
DELTA MS4-UK0.qxp / 05.2008 Dimensions / Weights 6.2 Diaphragm valve MSE41 - MSE44 Diaphragm valve with with Control Unit valve position indication housing variants ME41 ME42 ME43 ME44 dimensions in mm ø Di ø K weight in kg 455,5 394,5 527,5 466,5 461,5...
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DELTA MS4-UK0.qxp / 05.2008 Technical Data General Product-wetted parts: 316 L, 1.4404 Other parts: 1.4301 Seals: standard design: EPDM Options: HNBR, VMQ, FPM Diaphragm: TFM/PTFE 1705 Actuator: 1.4301 max. line pressure: 10 bar 140 ° C EPDM, HNBR max. operating temperature: *FPM, *VMQ 150 °...
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DELTA MS4-UK0.qxp / 05.2008 Technical Data DELTA MS4 kvs - values in m 3 / h Inch 1” 1,5” 2” 2,5” 3” 4” Valve stroke / Opening cross section (X) dimensions in mm stroke 22,5 19,5 Inch 1” 1,5” 2” 2,5”...
DELTA MS4-UK0.qxp / 05.2008 Technical Data 7.5 For valves equipped with a control unit DELTA CU, the opening and closing times can be increased by adjustment of the throttling screw at the solenoid valve. closing times in sec. air pressure 6 bar hose length 1m and 10m.
DELTA MS4-UK0.qxp / 05.2008 Maintenance - All seals must be provided with a thin layer of grease before their installation. Recommendation: APV food-grade grease for EPDM, HNBR and FPM (Viton) (0,75 kg/ tin - ref.-No. 000 70-01-019/93) (60 g/ tube - ref.-No.
DELTA MS4-UK0.qxp / 05.2008 Service Instructions 9.1. Dismantling from the line system DELTA MS4 control unitt The reference numbers refer to the spare parts drawings MS4 : DIN design RN 01.064.9 Inch design RN 01.064.9-1 Inch design RN 01.064.9-2 actuator screw 1.
DELTA MS4-UK0.qxp / 05.2008 Service Instructions yoke (9) 9.3. Installation of seals and assembly of valve All seals must be provided with a thin layer of grease guide bush before their installation. (11) 1. Insert the guide bush (11) and o-ring (13) in the yoke (9). Insert the o-ring (15) in the groove of the yoke.
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DELTA MS4-UK0.qxp / 05.2008 Service Instructions 9.4. Installation of DELTA MS4 valve 1. Design with Control Unit: Fasten the adapter on the actuator. Place the control unit (26) on the adapter (27) and fasten it with the ring. Design with valve position indication: Fasten the housing of the valve position indication (24).
DELTA MS4-UK0.qxp / 05.2008 Service Instructions - Actuator 10.1. Maintenance of Actuator 1. Remove the air hoses from the actuator. seal screw piston rod 2. Remove the inner hexagon screws from the adapter of the control v-seal unit. - Remove the adapter. o-ring 10.2.
DELTA MS4-UK0.qxp / 05.2008 Service Instructions Attention: By means of the assembly tool the seat seal of single seat valves can be installed, only. The assembly tool consists of: - nut thrust ring - thrust ring - ring with venting plug - housing - threaded bolt.
DELTA MS4-UK0.qxp / 05.2008 Trouble Shooting F a i l u r e R e m e d y Va l v e c l o s e d a n d p r e s s u r e i n u p p e r h o u s i n g Replace seat seal (2).
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