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  Fluid Instrumentation
Piston valves - Piston valves KVMN
Female screwed ends with pipe thread acc. to ISO 228-1,
female screwed ends with NPT-thread acc.to. ANSI B2.1
Materials: cast iron, cast steel, stainless steel, valve ring KX-GT
 
KVMN 1/2" –2"
1/2" –2" NPT
PN 63
DN 1/2 –2
material code VIII, Xc
PN 16
DN 1/2 –2
material code III
Overall length to
DIN 3202-M9
 
1 Body EN-GJL-250 1.0619 1.4581
2 Bonnetl EN-GJL-250 1.0619 1.4581
3 Handwheel EN-GJL-200 EN-GJL-200 EN-GJL-200 rilanisiert
5 Lantern bush Sint C10 Sint C10 1.4408
7 Piston 1.4104 1.4104 1.4404
8 Spindle 1.4021 1.4021 1.4404
9 Upper valve ring KX-GT KX-GT KX-GT
10 Bonnet nut 1.1181 1.1181 A4 – 70
11 Handwheel nut 1.1181 1.1181 A4 – 70
12 Stud bolt 1/2 –1 1.1181 1.1181 A4 – 70
Stud bolt 1 1/4 –2 1.7709 1.7709 A4 – 70
13 Threaded bush 1) Sint C11 special Sint C11 special
14 Tension pin 1) spring steel spring steel
15 Belleville washer 50CrV4 50CrV4 1.431
16 Split nut 1.0715 1.0715 1.4571
17 Disc 1.4401 1.4401 1.4401
18 Serrated lock washer spring steel spring steel A2
21 Type plate Al Al Al
1) only DN 40 and DN 50
 
Suggested order specification
Shut-off valve PN 63, PN 16
Designed as straight through piston vlave, sealed-off by 2 flexible valve rings – body made of cast iron, cast steel or stainless steel. Handwheel made of grey cast iron, piston made of special Niro-steel. Overall length to DIN 3202-M9, bushes with pipe threads to ISO 228-1, bushes with NPT threads to ANSI B2.1.
Make: KLINGER
Type: KVMN VIII KX for DN 1/2" –2"
KVMN KX VIII for DN 1/2" –2" NPT
 
Odering example:
KVMN 1/2" -III KX, PN 16
 
Overall length in mm approx. weight (kg)
DN L H Hub A PN 16 PN 63
½ 100 105 23 100 1,40 1,50
¾ 120 120 28 120 2,35 2,45
1 135 138 33 140 3,50 3,60
1 ¼ 160 156 37 160 5,70 5,90
1 ½ 185 186 44 180 8,10 8,50
2 220 211 51 200 11,00 11,50
 
 
PN 16, PN 63
DN DIN Anschlussmuffen NPT Anschlussmuffen
d1 t1 t2 SW d1 t1 t2
½ 15,5 19,5 36 ½ -14 NPT 13,5 19,5
¾ 16,0 20,0 41 ¾ -14 NPT 14,0 20,0
1 R1 17,0 22,0 50 1- 11½ NPT 17,0 24,0
1 ¼ R1 ¼ 19,0 25,0 65 1 ¼ -11½ NPT 17,5 24,5
1 ½ R1 ½ 19,0 24,0 75 1 ½ -11½ NPT 17,5 24,5
2 R2 26,0 31,0 90 2- 11½ NPT 18,0 25,0