20
Pump Model Wetted Material Connection Type KOPkit number
DC2 PVD F NP T NLK 020 FP
DC3 or DC 4 PVD F NP T NLK 040 FP
DC3 or DC 4 PVD F ISO 7- 1 NLK040 FB
DC5 or DC 6 PVD F NP T NLK 050 FP
DC5 or DC 6 PVD F ISO 7- 1 NLK050 FB
DC7 PVD F n/a N LK0 70F X
DC5 or DC 6 Poly pr opy len e NPT NLK 050 PP
DC5 or DC 6 Poly pr opy len e ISO 7- 1 NLK050 PB
DC7 Pol ypr opy le ne n /a NL K0 70P X
DC2 3 16 NPT NLK02 0AP
DC3 or DC 4 316 NPT NLK04 0AP
DC3 or DC 4 316 ISO 7-1 NLK04 0AB
DC5 or DC 6 316 NPT NLK05 0AP
DC5 or DC 6 316 ISO 7-1 NLK05 0AB
DC6 HSO
(2)
NPT N LK0 60H X
(1)
DC6 HSO
(2)
IS O 7 -1 NLK 060 HX
(1)
NOTES:
(1) “HSO” construction refers to the recommended materials for handling Sulfuric Acid at high
concentrations (above 95%). This configuration consists of 316ss for the reagent head, the
valve guide, and the process connection. Alloy-20 is supplied for the check valve seats,
and Hastelloy-C is supplied for the check valve balls. HS0 configuration is supplied only
as a KOPkit and not as an original pump configuration.
(2) PVC wet end material has been discontinued, use PVDF (Kynar
®
) parts as a direct
replacement for these pumps.
(3) DC7 model is covered in a separate publication