Richter NKLP-C Series Butterfly Valves - Manual (Page 4)

Series NKS-C, NKSP-C, NKL-C, NKLP-C
Page 4
9520-072-en Revision 01
TM 8176 Edition 03/2011
1.1 Overview of sizes
Series Actuation /F /F-L
/F-S
/F-H
/F-T
/F-L-S
/F-L-H
/F-L-T
Body design
NKS-C
Lever
DN 65, 125
2½", 5"
DN 65, 125
2½", 5"
DN 50-200
2"-8"
DN 50-200
2"-8"
Gear DN 65, 125,
350-400
2½", 5",
14"-16"
DN 50-300
2"-12"
DN 50-300
2"-12"
NKSP-C
Actuator
connection to ISO
5211
NKL-C
Lever
DN 65, 125
2½", 5"
DN 65, 125
2½", 5"
DN 50-200
2"-8"
DN 50-200
2"-8"
Gear
DN 65, 125,
450-700
2½", 5", 18"-30"
DN 65, 125,
350-600
2½", 5",
14"-24"
DN 50-1000
2"-40"
DN 50-600
2"-24"
NKLP-C
Actuator
connection to ISO
5211
1.2 Type codes
Series Code
NKS-C/F wafer-style body NKS-C
NKL-C/F lug-style body NKL-C
Body lining Code
PTFE F 
PTFE modified T 
PTFE modified antistatic TL 
PTFE modified antistatic FDA TF 
UHMW-PE E 
Material disc/stem unit Code
PFA lined F 
PFA lined, antistatic L 
Stainless steel 1.4404, 1.4470 S 
Hastelloy C22 H 
Titanium Grad 2 T 
Polished disc surfaces ST 
Indicate valve size
DN 50, 80, 100, 125 ……
2)
Flange connection Code
ISO 7005-2 PN 10 tapped hole NKL-C 1a 
Through hole ISO NKL-C 1 
ASME B16.5 or B.16.47 CL150
Tapped hole.
NKL-C 2b 
Through hole ASME NKL-C 2 
JIS R 2210-10K NKL-C 4 
No tapped or through holes NKS-C _ 
NKS-C from DN 350 is NKL-C
with through holes ISO NKS-C1 
with through holes ASME NKS-C2 
Body material Code
Ductile cast iron EN-JS 1049 G 
Stainless steel S 
C-steel C 
CF-GF- compound Vinylester V 
(DN 50-300)
Flexible inlay Code
Silicon S 
FKM (Viton or equal) V 
FDA-FKM F 
Actuation Code
Lever lockable H 
Worm gear, with hand wheel S   1)
Without actuation O 
Data on name plate Code
°C/bar C 
°F/psi F 

Standard
 1)
Standard up to DN 250
 Option
2)
In the certificates and „Order-related Specifica-
tion“ the sizes are spezified in DN (mm).