Elastomers & spares kits – Blagdon Pump X25 High Pressure User Manual
Page 12
HG-CF-1194-A - 12.02.10
Page 12
ELASTOMER TABLE
REF
DESCRIPTION
BUNA-N
EPDM
VITON
NEOPRENE
POLYESTER
QTY
11
DIAPHRAGM
25-014
25-012
25-013
25-023
25-015
2
4
VALVE BALL
1A049
1A080
1A081
1A079
-
4
4
VALVE BALL - WEIGHTED
1A072
1A092
1A093
1A091
-
4
5
VALVE SEAT
25-011
25-009
25-010
25-029
-
4
6
O-RING
G068
G069
G070
G067
-
4
REF
DESCRIPTION
PTFE
ST.STEEL
QTY
SANTOPRENE
®
11
DIAPHRAGM+SUPPORT
25-016+25-014
-
2
25-045
4
VALVE BALL
1A002
1A197
4
-
5
VALVE SEAT
25-097
4
-
-
6
O-RING
G431
-
4
-
Removal of Diaphragm Shaft :-
After first removing manifolds and air-hoses, remove both outer covers (13), followed by frontplates (12), fluid
diaphragms (11), backplates (9) and bumpstops (8 & 24). Separate Spacer/Covers Assy. from Valve Chest Assy.
by removing 8 off M8 x 35 bolts and sliding either halve from shaft. Diaphragm Shaft can now be removed
together with air-chamber diaphragm and locking plate etc. Assembly is reverse of removal, after first fitting seal
guide supplied in air side kit SA10459 into end of diaphragm shaft as shown above before sliding valve chest
centre over shaft. This will allow shaft to pass thro‟ centre without damaging seals. If air-chamber diaphragm has
been removed from shaft, apply a small amount of Loctite grade 242 to locking plate (42) prior to refitting. Refit
Locking Screw, Spring Washer and Plain Washer, tightening screw into the diaphragm until tight against the plate.
- These items are available in a recommended spares kit. Please refer to your local stockist / distributor for details.
- These items are available in a recommended spares kit - SA10459 - Air side Kit, including Seal Guide (see Technical Not
Seal Guide can be ordered separately if required, Note part No. 25-114
- These items are available as Sub-Assy spare :- SA10585
Santoprene is a registered tradename of Monsanto Corp.
- These items are available as a refurbish kit :- SA10568
ELASTOMERS & SPARES KITS :-
TECHNICAL NOTES :-
Refer to tables on pages 10 & 11 for parts included in kits.