KN-R Valves
KN-R Valves
         ISO/DIN, ASME/ANSI
         Lining PFA,
         optionally PFA-L
         Maintenance-free
         ENVIPACK stem sealing
         -60 to +200 °C (-75 to +400 °F)
KN, KNA, KNR, KA-N
2
KN, KNA
Thick-walled lining,
4 ball versions
                                                                                                                                    Ball versions
                                                             6c
                    7
                                                             6a
6 6b
                                     4
     1
                                                                                                                                         1-piece PFA ball/stem                          Al2O3 ceramic ball
                                                                                                                                               (standard)                               with separate stem
                                                                                                                                                                                             (optional)
                                3
                                           8
Why “almost metallic stop” instead Optionally zirconium, stainless steel etc.
of “metallic stop”?
                                                              Pressure/temperature range
Richter’s “virtually metal-to-metal contact”,
                                                                                                                                                      Temperature (°F)
permanently tight:                                                                             -75                             -20 +15      70 100                 175       250        300        400
The body lining 3d decreases to about 0.5 mm (0.02“)                                     17                                                                                                              250
                                                                                         16                                                                                      Al2O3 ball,             235
permitting the inner flange connection to be retightened                                15           KNA,                                                                   modified seat rings         220
                                                                                          8                                                                                                              115
                              3a
                                                                                                                                                 Body ASTM A395
                                                                                          7                                                                                                              100
                                                                                          6                                       DN 200 (8“)                     PFA-lined ball stem                     85
                              3b                                                          5                                                                                                               70
                                                                                         200                                                                                                             3.0
                              3c                                                         100                                                                                                             1.5
                                                                  Vacuum (mbar)
Vacuum (psia)
                                                                                          50                                                                                                             0.7
                                                                                          30
                                                                                          20                                                                                                             0.3
                              3d
                                                                                         10                                                                                                              0.15
                                                                                          5                                                                                                              0.07
                              3m                                                          3
                                                                                          2                                                                                                              0.03
                                                                                          1                                                                                                              0.02
What are the disadvantages of lined valves with                                            -60                             -30 -10          20               50    80        120        150        200
                                                                                                                                                   Temperature (°C)
“metallic stop”?
The body halves are bolted together with full metallic                   Body EN-JS 1049 (0.7043)/PFA:
                                                                         -60 °C (-75 °F) to +200 °C (400 °F); max. 16 bar (235 psi) acc. to AD 2000
contact 3m . Retightening is not possible, any leak                      Body ASTM A395/PFA:
that occurs cannot be stopped. The cavity between                        -30°C (-20 °F) to +200 °C (400 °F); max. 17.2 bar (250 psi) acc. to ASME B16.42
                                                                         For applications at low temperatures, please observe the local regulations!
the lining and the metallic contact also prevents the
                                                                         Operating temperatures below -10 °C (15 °F): special material for ball stem core
early detection of any leak.
                                                                                                                                                                                                                                 3
KA-N, KNA-S
    Product features
    • Full bore
    •	DN 50/25 (Ø 25 mm) to 150/100 (Ø 100 mm),
       2“/1“ (Ø 1“) to 8“/6“ (Ø 6“)
    •	-60 to +200 °C (-75 to +400 °F),
       see diagram on page 3
    • Face-to-face: see table on page 7
    •	Flanges ISO/DIN 7005-2 PN 16,
       on request, drilled to ANSI B16.10 Cl.150
Other options:
                                                                      Common features of the series KA-N,
•	High-purity version for pharmaceutical or semiconductor
                                                                      KNA-S and KNR/KNAR
   industries
                                                                      •	Labyrinth-like, permanently tight body
• Body heating jacket, stem extension etc.
                                                                         connection
                                                                      •	Lining 3.5 mm ( 1/7“) virgin PFA,
                                                                         optionally PFA-L antistatic
PFA lined stainless steel shut-off                                    •	Self-adjusting, maintenance-free
                                                                         ENVIPACK stem sealing
and control valves to ASME/ANSI                                       • Resilient seat rings, gas-tight in the seat
                                                                      • Conformity with the German Clean Air Act
The PFA-lined stainless steel KNA-S is predestined for the shut-off   • Lockable stainless steel lever
and control of corrosive fluids                                       •	Actuator mounting to ISO 5211,
•	in clean-room environments where high-quality exterior surfaces       optionally head flange to ISO
   without paint are preferred                                        • Low-cavity as standard feature
• in corrosive atmospheres, e. g. in HF, HNO3 and pickling plants     •	One-piece PFA ball stem, optionally Al2O3
•	in processes where the fluid itself must not come into contact        ceramic ball with separate stem, cavity-
   with ductile cast iron if the lining is damaged.                      free TF ball, all blowout-proof
The pressure/temperature range as well as the components balls,       •	Or V-control ball with high-quality control
seat rings, stem sealing and valve actuation correspond to those         performance for KNR and
of the KN and KNA series, see page 3.                                    KNAR valves
    Product features
    • Precision cast stainless steel 1.4408 (316, CF8M), lining PFA
    • Full bore flow
    • DN 25 (1“) to DN 50 (2“), other nominal sizes on request
    • -60 to +200 °C (-75 to +400 °F), see diagram on page 3
    • Very low temperatures down to -200 °C (-330 °F) on request
    •	Face-to-face acc. to ASME/ANSI 16.10/short,
       face-to-face ISO/DIN on request
    •	Flanges ASME/ANSI B 16.10 Cl.150, on request drilled to
       ISO 7005-2 PN 16.
4
KNR, KNAR, KK
                                                                                                                                 5
KN, KNA, KNR, KA-N, KK
Components and
                                                                  Series KN, KNA, KNR, KNAR                                      Series KA-N                                   H
                                                                                                            HL                                          D
                                                                    102    526         557       405/1    203                                          DN                             nxd
                                                                                                                                                                                                        102
torques, k v /Cv-values
                                                                          502
                                                                                                                                                                                                        503
                                                                  H
                                                                                                                                                                                                        403
                                                                                                                            H5
                                                                                                                                 L
                                                                                                                   H1
Components and materials                                                                                                                                ø                                               557
                                                                                                                                                       Port
Item Designation              Material
                                                                                                                                                                                                        405/1
Port
                                                                                                                       DN
101 Main body                 Ductile cast iron EN-JS1049
                                                                                                           ø
                                                                   D
                                                                                                                                     nxd1
                                                                                                                                                                                                   HL
		                            (ASTM A395), PFA-lined
102     Body end piece        optionally PFA-L, PFA-HP                                                                                                                                                  577
109     Transition cover      Stainless steel/PTFE                                                                      401                           DN1                                               203
                                                                                                          nxd                                                        101           401 201
200 Ball                      Al2O3 99,7 %, stainl. steel/PFA                                                           201                      k1
                                                                                                                                                      D1             H1
		                            (only KK)                                                                                 101
                                                                                             L                                   Series KK
201     Ball stem unit        Stainless steel, PFA-lined                                                                                                                       HL
202     Stem                  optionally PFA-L, PFA-HP                                                                               532         504
203     Lever*                Stainless steel                     Play-free coupling for KNR, KNAR
401     Seat rings            PTFE (opt. Al2O3 ball: mod. PTFE)                                                                                                                                203
402/1 Packing ring            PTFE                                 804                                                  850
                                                                                                                                                                                               405/1
                                                                                                                                 H
403     Packing bellows       PTFE                                                                                                                                                             402/1
                                                                  904/4                                                 503
405/1 Thrust ring             Stainless steel
                                                                                                                                                                                        H5
502     Spring gland follower Stainless steel
                                                                   510                                                  502                                                                    202
503     Packing gland follower Stainless steel
                                                                                                                                                                                   H1
504     Cup spring assembly Stainless steel
                                                                                                                  H2
510     Bracket               Stainless steel                      512                                                                                                                         109
                                                                                                                                                       Port
                                                                                                                                            DN
                                                                                                                                                        ø
512     Sleeve nut            Stainless steel                                                                           405/1                                                                  200
526     Retaining washer      Stainless steel                                                                                                                                                  401
                                                                   526                                                  557
532     Grounding rope        Stainless steel
557     Grounding spring      Stainless steel                                                                                                                    L
        washer
                                                                  KK: Operating torques (incl. breakaway torques) with PFA-lined or with Al2O3-ball                                  k vs/Cv-values*
577     Lever stop            Stainless steel
804     Coupling, play-free Stainless steel                           KK                          Operating torques                                                                          KK*
850     Actuator              to customer request                     DN      ∆p 3 bar/ ∆p 6 bar/    ∆p 10 bar/     ∆p 16 bar/                                    max.
                                                                  		            45 psi    85 psi      145 psi        235 psi                                   admissible                kvs  Cv
904/4 Setscrew                Stainless steel
                                                                  mm inch Nm in-lbs Nm in-lbs Nm in-lbs Nm in-lbs                                              Nm in-lbs                m3/h USgpm
o. Nr. Screws and nuts        Stainless steel
                                                                   25    1“    7     62  7     62     7       62     7     62                                   20   177                  51   59
*a
  worm gear is recommended for torques >/= 200 Nm                 40 11/2“   15    133 15    133    15      133    18    159                                   50   443                 150  175
 (1770lbs)                                                         50    2“   15    133 15    133    15      133    18    159                                   50   443                 248  289
All torques: Test medium water 20 °C, seat rings of pure           65 2 1/2“  15    133 15    133    15      133    18    159                                   50   443                 300  350
PTFE. The torques may vary depending on the medium                 80    3“   40    354 40    354    42      372    50    443                                  120 1062                  455  530
(dry gases, crystallising media, oil contents etc.)               100    4“   60    531 60    531    64      566    80    708                                  250 2213                  830  967
                                                                  150    6“  100 885 113 1000 180 1593               -      -                                  500 4425                 1270 1480
KN, KNA, KNR, KNAR, KA-N: Operating torques (incl. breakaway torques) with PFA-lined ball                                                                                            k vs/Cv-values*
 KN, KNA, KNR, KNAR           KA-N                                                                    Operating torques                                                              KN, KNA, KA-N*
          DN                DN/DN1           ∆p 3 bar/45 psi                 ∆p 6 bar/85 psi          ∆p 10 bar/145 psi ∆p 16 bar/235 psi max. admissible                              kvs    Cv
    mm        inch      mm           inch     Nm      in-lbs                     Nm          in-lbs     Nm       in-lbs   Nm       in-lbs   Nm    in-lbs                              m3/h USgpm
     15        1/ “
                 2        -            -        8        71                        8            71        8         71     10         89     70     620                               17,5     20
     20        3/ “
                 4        -            -        8        71                        8            71        8         71     10         89     70     620                                31      36
     25         1“     50/25        2“/1“      12       106                       12           106       12        106     12        106     70     620                                75      87
     40      1 1/2“       -            -       20       177                       20           177       20        177     25        221    225    1990                               200     233
     50         2“  80/50+100/50 3“/2“+4“/2“   25       221                       25           221       25        221     30        266    225    1990                               310     361
     80         3“        -            -       60       531                       60           531       65        575     80        708    500    4425                               800     932
    100         4“    150/100       6“/4“      80       708                       80           708       90        797    170       1505    500    4425                              1250 1456
    150         6“        -            -      200      1770                      250          2213      350       3098      -          -   2200   19470                              2800 3262
  200/150    8“/6“        -            -      200      1770                      250          2213      350       3098      -          -   2250   19913                              3200 3728
    200         8“        -            -      600      5310                      600          5310      700       5310      -          -   2200   19470                              6000 6990
KN, KNA, KA-N: Operating torques (incl. breakaway torques) with Al2O3 ball                                                                                                           k vs/Cv-values*
          KN, KNA                     KA-N                                                            Operating torques                                                              KN, KNA, KA-N*
            DN                      DN/DN1           ∆p 3 bar/45 psi         ∆p 6 bar/85 psi          ∆p 10 bar/145 psi ∆p 16 bar/235 psi max. admissible                              kvs    Cv
      mm         inch           mm           inch     Nm      in-lbs             Nm          in-lbs     Nm       in-lbs   Nm       in-lbs   Nm    in-lbs                              m3/h USgpm
       15         1/ “
                    2             -            -       10        89               10            89       10         89     12        106     28     248                               17,5     20
       20         3/ “
                    4             -            -       10        89               10            89       10         89     12        106     28     248                                31      36
       25          1“          50/25        2“/1“      12       106               12           106       12        106     12        106     28     248                                75      87
       40       1 1/2“            -            -       20       177               25           221       30        266     45        398     80     708                               200     233
       50          2“       80/50+100/50 3“/2“+4“/2“   25       221               30           266       35        310     50        443    120    1062                               310     361
       80          3“             -            -       60       531              100           885      160       1416    220       1947    250    2215                               800     932
      100          4“         150/100       6“/4“      80       708              130          1151      200       1770    280       2478    350    3098                              1250 1456
      150          6“             -            -      350      3098              450          3983      600       5310      -         -    1200   10620                              2800 3262
    200/150     8“/6“             -            -      350      3098              450          3983      600       5310      -         -    1200   10620                              3200 3728
                                                                                                                       * for KNR and KNAR kvs/Cv-values see separate brochure
6
KN, KNA, KNR, KA-N, KK
Dimensions, weights
KN, KNR (ISO/DIN): Installation dimensions and approx. weights
Face-to-face ISO 5752 series 1 (DIN 3202 F1), flanges ISO 7005-2**
 													                                                                         EN                                Weight
     DN         Ø Port     L       HL               H     D        k         nxd1		   ISO    H1        H5         H2    man. act.
 mm inch mm inch mm inch mm inch mm inch mm inch mm inch mm inch		                    5211 mm inch mm inch mm inch      kg lbs
  15     1/ “ 15 0.59 130 5.12 179 7.0 130 5.12 95 3.74 65 2.56 4x14 4x0.55 F05 50 1.97 60 2.36                60 2.36 5.6 12.3
           2
  20     3/ “ 20 0.79 150 5.91 179 7.0 130 5.12 105 4.13 75 2.95 4x14 4x0.55 F05 50 1.97 60 2.36               60 2.36   6 13.2
           4
  25      1“ 24.5 0.96 160 6.30 179 7.0 130 5.12 115 4.53 85 3.35 4x14 4x0.55 F05 50 1.97 60 2.36              60 2.36   6 13.2
  40 1 1/2“ 38 1.50 200 7.87 259 10.2 155 6.10 150 5.91 110 4.33 4x19 4x0.75 F07 77 3.03 94 3.70               60 2.36  14 30.9
  50      2“ 47.5 1.87 230 9.06 259 10.2 155 6.10 165 6.5 125 4.92 4x19 4x0.75 F07 80 3.15 97 3.82             60 2.36  16 35.3
  80      3“   78 3.07 310 12.2 410 16.1 180 7.09 200 7.87 160 6.30 8x19 8x0.75 F10 118 4.65 140 5.51          80 3.15  35    77
 100      4“   96 3.78 350 13.8 410 16.1 195 7.68 220 8.66 180 7.09 8x19 8x0.75 F10 134 5.28 156 6.14          80 3.15  55 121
 150      6“  145 5.71 480 18.9 513* 20.2* 265 10.4 285 11.2 240 9.45 8x23 8x0.91 F12 184 7.24 215 8.46 100 3.94 104 229
200/150 8“/6“ 145 5.71 457   18 513* 20.2* 265 10.4 340 13.4 295 11.61 8x23 8x0.91 F12 184 7.24 215 8.46 100 3.94 125 276
 200      8   195 7.68 457   18					
                                   No lever, only gear 343 13.5 295 11.61 12x23 8x7/9 F12 237 9.33 267.5 10.53 100 3.94 170 375
 *	DN 150 (6“) and 200 (8“): At ∆p > approx. 2 bar (29 psi) a worm gear is recommended instead of the hand lever. Details on request.
** On request: drilled to ANSI B16.5 Cl.150, JIS 10K
                                                                                                                                                    7
KN, KNA, KNR, KA-N, KK
                                        Linings antistatic,
Lockable lever as standard              FDA-compliant
feature (KN, KNA)
Publication No. 142en 08.15 © Richter Chemie-Technik GmbH. Subject to change without notice. Printed in Germany.
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