b) metal harmonica type measuring unit (K18) pre-formed diaphragm (207) Whem fitting the diaphragm be sure to observe the correct mounting position of the diaphragm loops (see spare parts drawings) diaphragm plate (227) When tightening the closing cap (121) or the hexagonal nut (102) the diaphragm plate should be secured against distortion using a spanner size SW 24. metal harmonica (202) Push connecting piece (203) into valve casing (204) and screw on metal harmonica. Turn the harmonica system to the left and to the right to the stop, and then into the center position, thus bringing the harmonica system and the valve insert into alignment. Place lid on top. valve insert (225) Press metal harmonica downwards with a suitable rod so that the valve insert can be mounted. base plate (6) The sides of the single stages joining on to the base plate should be brought to alignment before tightening the screws.
c) RMG 670 for SAV release, valve insert (225) and piston (229) Due to a change in the construction the standard valve insert (RMG part no. 10 011 775) with a nozzle diameter of 3 mm used up to January 1996 (01/96) has now been replaced by the valve insert, RMG part no. 10 011 776, to be used in combination with the pre-assembled piston, RMG part no. 10 026 301. For maintenance works only these new parts are to be used - even on older safety shut-off devices.
4.3.2 version for: - RMG 710 - RMG 711, DN 25 - DN 100 - RMG 711, DN 200 - 300 - RMG 721 item no.
601 602 603 604 605 606 607 608 609 610 611
torque table
item no.
torque M A in Nm
23 202, 208
8 12 15
102, 121
20
1, 116, 117, 219, 222
612 613 614 615 616
table of lubricants
item (thin coat of lubricant only) all o-rings all moving parts mould of the spring plates (109, 111, 211) thread of the lid (114, 217) all connecting screws and all pipe connections
617 lubricant
RMG part no.
silicon grease
00 027 081
up to 1994 up to 08/1998 up to 1994
description
amount
cap nut Schneidring dosing screw adjustable T-connection Stutzen Stutzen lid o-ring spring threaded pin switching rod, optional: RMG 710 DN 25, DN 50 RMG 711 DN 80, DN 100, DN 200 up to DN 300, RMG 721 RMG 710 DN DN 80, DN 100 RMG 710 DN 150 RMG 711 DN 25 and DN 50 safety washer cylindrical screw o-ring piston housing complete, optional: RMG 710 DN 25, DN 50 RMG 711 DN 25, DN 50, DN 200 up to DN 300, RMG 721 RMG 710 DN 80, DN 100, RMG 711 DN 80, DN 100 RMG 710 DN 150 o-ring (except for RMG 711 DN 25 up to DN 100)
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 6 6 1 1 1 1 1 1 1
EV *)
EV
EV
EV
material
RMG part no.
St St St St St St LM KG SF St
00 030 803 00 030 903 10 005 094 10 005 087 00 031 207 00 030 023 10 005 307 00 020 398 10 014 029 00 012 172
NSt NSt NSt NSt NSt SF St KG NSt
10 005 306 10 005 306 10 005 311 10 005 316 10 022 532 00 014 111 00 010 150 00 020 336 10 005 308
LM/NSt LM/NSt LM/NSt LM/NSt KG
10 005 305 10 005 305 10 005 310 10 005 315 00 020 310
*) parts marked "EV" are to be kept in stock for maintenance material key:
mounting paste
00 027 091
St
... steel
NFSt
... stainless spring steel
KG
... rubber-like plastic
FSt
... spring steel
LM
... light metal
KV
... rubber-like plastic
NSt
... stainless steel
Ms
... brass
high duty grease
secured connections
item (cover thinly) thread of the cap (121) thread of the hexagonal nut (102)
670.20 S.04
material
LOCTITE
RMG part no.
00 026 688
670.20 page 17