Nova-Tech LMI Series G - SD Metering Pump User Manual
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2 each, O-Ring: Item 419, Seat: Item 420, Ball: Item
422, Cartridge: Item 426, Washer: Item 427 and
Spring: Item 428 (Discharge Only) in Figure 9.
Liquid End Kit for D2 H
2
SO
4
Includes:
1 each, Diaphragm: Item 260 in Figure 9.
1 each, Oil Seal Bellows: Item 70 in Figure 9.
2 each, O-Ring: Item 419, Seat: Item 420, Ball: Item
422, Cartridge: Item 426, and Washer: Item 427
Figure 9.
4.4.2 SIZE D4 LIQUID ENDS - PVC, PVDF, POLY-
MER, H
2
SO
4
, AND SLURRY.
Liquid End Kit for D4 PVC/PVDF/Polypropylene
RPM 102, Includes:
1 each, Diaphragm: Item 260 in Figure 12.
1 each, Oil Seal Bellows: Item 70 in Figure 12.
1 each, PTFE Washer: Item 274 in Figure 12.
2 each, Cartridge Assy.: (P/N 36306) Included in
Kit.
Liquid End Kit for D4 Polymer
RPM 196, Includes:
1 each, Diaphragm: Item 260 in Figure 12.
1 each, Oil Seal Bellows: Item 70 in Figure 12.
1 each, PTFE Washer: Item 274 in Figure 12.
2 each, O-Ring: Item 419, Seat: Item 420, Ball: Item
422, Fitting: Item 424, Cartridge: Item 426, Washer:
Item 427 and Spring: Item 428 in Figure 12.
Liquid End Kit for D4 H
2
SO
4
NPT
RPM 173, Includes:
1 each, Diaphragm: Item 260 in Figure 12.
1 each, Oil Seal Bellows: Item 70 in Figure 12.
1 each, PTFE Washer: Item 274 in Figure 12.
2 each, Cartridge Assy.: (P/N 39461) Included in
Kit.
Liquid End Kit for D4 H
2
SO
4
Tubing
RPM 174, Includes:
1 each, Diaphragm: Item 260 in Figure 12.
1 each, Oil Seal Bellows: Item 70 in Figure 12.
1 each, PTFE Washer: Item 274 in Figure 12.
2 each, Cartridge Assy.: (P/N 39461) Included in
Kit and Coupling Nut: Item 428 in Figure 12.
Liquid End Kit for D4 Slurry
RPM 212, Includes:
1 each, Diaphragm: Item 260 in Figure 12.
1 each, Oil Seal Bellows: Item 70 in Figure 12.
2 each, Check Valve Assembly: Item 425 in Figure
12.
Note: Liquid end sizes D2 and D4 metallic
check valves (except Slurry) are precision as-
sembled at the factory. Do not attempt to dis-
assemble these cartridges.
4.4.3 SIZE D2 AND D4 LIQUID ENDS - STAINLESS
STEEL
Liquid End Kit for D2/D4 316SS
RPM 101/RPM 104, Includes:
1 each, Diaphragm: Item 260 in Figure 10/11.
1 each, O-Ring: Item 253 in Figure 11 (D4 only).
1 each, PTFE Washer: Item 274 in Figure 11 (D4
only).
1 each, Oil Seal Bellows: Item 70 in Figure 10/11.
2 each, Check Valve Assembly: Item 425 in Fig-
ures 10 & 11.
Note: The check valves for the size D7 and
D8-PVC, PVDF, and Polypropylene liquid ends
contain a removable seat, which permits the
replacement of the seat, O-ring, and ball into a
reusable valve body. The liquid end size D7
and D8-Stainless Steel check valve has an in-
tegral ball seat, which necessitates replacement
of the entire check valve assembly.
4.4.4 SIZE D7 AND D8 - PVC, PVDF, H
2
SO
4
,
POLY-
MER, AND SLURRY LIQUID ENDS
Liquid End Kit for D7/D8 PVC/PVDF/H
2
SO
4
RPM 135/105(PVC)
RPM 136/106(PVDF)
RPM 175/183(H
2
SO
4
), Includes:
1 each, Diaphragm: Item 260 in Figure 13.
1 each, Oil Seal Bellows: Item 70 in Figure 13.
1 each, PTFE Seal Ring: Item 210 in Figure 13.