Burkert Type 2033 - Manual (Page 19)

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Option: Min. /max. stroke limitation
8.2.2. Installation and commissioning
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Screw coupling ⑧ onto valve spindle and secure with Loctite
274.
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Hook spindle ① in coupling ⑧.
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Grease spindle ①.
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Grease o-ring ⑨ and insert into guide spindle ②.
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Insert guide spindle ② into actuator cover.
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Insert disk into the actuator cover, attach to the guide spindle ②
with the nut ⑩ and secure with Loctite 274.
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To do this, use the width flat on the guide spindle ② (WAF24).
• Max. tightening torquet: 20 Nm
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Screw actuator cover onto valve
• Max. tightening torque:
G-100 = 45 Nm
H-125 = 60 Nm.
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Screw lower nut ③ onto guide spindle ②.
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Position bridge ④ on spindle ① and fix with cap screw ⑤ (Allan
key WAF5 or WAF8). Secure cap screw ⑤ with Loctite 274.
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Screw upper nut ③ onto guide spindle ②.
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Set max. and min. stroke by means of upper and lower nuts ③.
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Test valve for function and leaktightness.
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Screw on tube ⑥ with cover ⑦ by hand.
8.3. Actuators K-175, L-225
Actuator
Spindle cap
Parts required
1 Spindle extension
2 Guide spindle
3 Nut M40 x 2
4 Bridge
5 Cap screw
M16 x 45
6 Tube
7 Cover
8 Stop
(for Type 2012 SFA only)
Fig. 8: Actuators K-175, L-225
min. / max. stroke limitation with optical position display
english
Type 2000, 2002, 2012
2030, 2031, 2032, 2033