Data sheet NK10. Fill Level Limiter DB_EN_NK10 ST4-C 04/17 * *

Transcription

1 ata sheet NK _EN_NK10 ST4-C 04/17 * * Fill Level Limiter

2 1 Prouct an functional escription FISCHER Mess- un Regeltechnik GmH 1 Prouct an functional escription 1.1 elivery scope NK10 accoring to specification (see orer coe) Operating Instructions 1.2 Use as intene The NK10 fill level limiter is use in thermo-technical an process plants as a safeguar against the fill level falling elow the lowest permissile level. As a limiter the evice conforms to the requirements of IN The evices in this series are... type-teste in compliance with IN GL HH certifie. The certification was carrie out y Germanischer Lloy. Copies of the certificates can e foun in the appenix to the operating manual. 1.3 Function iagram approx. 60 mm approx. 10 mm Illustration 1: Function iagram 1 Swimmer 2 Swimmer ro 3 Metal ellows 4 Test utton 5 Switch lever 6 Micro-switch S1 7 Cale screw connection 8 an counter-flange 9 Weling socket 10 Tank 2 / 12 _EN_NK10_ST4-C

3 FISCHER Mess- un Regeltechnik GmH Prouct an functional escription esign an moe of operation The swim system of the fill level limiter is containe in the flui-fille reservoir (expansion tank). The swimming motions generate y changes in the fill level are transmitte irectly to the micro-switch S1 y a swimmer ro seale in a stainless-steel ellows. The fulcrum of the swimmer ro is locate outsie of the pressure chamer. There is also a test utton outsie the pressure chamer with which a function check as per IN can e run without lowering the fill level. When presse, the oy of the swimmer is move against its uoyancy. The factory efault switching point of micro-switch S1 is set so that it switches when the swimmer ro is horizontal. The optional warning switch S2 switches approx. 2.5 mm efore S1. The fill level height at which switching is triggere epens on the ensity of the heat carrier. The lowest ensity at which a secure function is guarantee is 0.6 kg/m³. When the meium has a ensity of 1.0 kg/m³, the switching level is approx. 60mm elow the mile of the flange or socket. _EN_NK10_ST4-C 3 / 12

4 2 Technical ata FISCHER Mess- un Regeltechnik GmH 2 Technical ata 2.1 General Please also oserve the orer coe here. 2.2 Application conitions Amient temperature C Storage temperature C Max. temperature of meium epens on moel Specific minimum ensity of meium ρ = 0.6 kg/m 3 Installation position horizontal Type of protection IP 55 acc. to IN EN Variant Max. working pressure: Max. temperature of meium NK ar 400 C NK ar 400 C NK ar 350 C NK ar 400 C NK ar 400 C NK ar 400 C NK ar 400 C NK10 A 10 ar 350 C NK10 20 ar 400 C NK10 F 20 ar 400 C NK10 G 20 ar 400 C NK10 H 20 ar 400 C NK10 K 150 ls 400 C NK10 M 300 ls 400 C NK10 N 300 ls 400 C NK10 P 300 ls 400 C 2.3 Switch contacts Maximum loa ata at ohmic loa. 250 V AC 6A 250 V C 250 ma 2.4 Measurement accuracy Switch hysteresis Switching point ifferential etween S1 an S2 (+) Switching point ifferential on the meium surface (+) only for two micro-switches approx. 6 mm max. 30 mm epenent on meium ensity 4 / 12 _EN_NK10_ST4-C

5 FISCHER Mess- un Regeltechnik GmH Technical ata irectives an certificates irectives Pressurise Vessel irective 2014/35/ EU Applicale stanars IN EN : IN : Low-Voltage irective 2014/35/EU IN EN : Testing EC type testing 97/23/EC GL type testing IN CERTCO acc. to Moule Moule Certificate no. Cert. no Z 9143/13/H Cert. no. 07/202/1081/Z/0150//15 Cert. no HH Cert. no. 10F Construction esign Swimmer system Stainless steel Metal ellows Stainless steel / counter-flange (*) Stainless steel (P265GH) or Weling socket St.35.8 [ (P235GH)] Screws / nuts (x) G 7258 / C35PK (*) Please note the information in the imensional rawings. (x) Only for version with weling connection imensional rawings All imensions in mm unless otherwise state with weling connection A C [square] NK P265GH x NK P265GH x E C Ø72 E A Illustration 2: imensional picture NK104 NK105 _EN_NK10_ST4-C 5 / 12

6 2 Technical ata FISCHER Mess- un Regeltechnik GmH IN EN Type 1 NK102 NK10G P265GH --- Port N80 PN40 N80 PN Ø Illustration 3: imensional picture NK102 NK10G NK101 NK103 NK P265GH P265GH --- Port A N65 PN40 N65 PN16 N65 PN Ø6 A 379 Illustration 4: imensional picture NK101 NK103 NK107 6 / 12 _EN_NK10_ST4-C

7 FISCHER Mess- un Regeltechnik GmH Technical ata IN EN Type C Port NK10F P265GH N80 PN Ø72 Ø120 Ø Illustration 5: imensional picture NK10F Port A NK P265GH N65 PN NK10A P265GH N65 PN Ø109 Ø95 Ø62 A 379 Illustration 6: imensional picture NK106 NK10A _EN_NK10_ST4-C 7 / 12

8 2 Technical ata FISCHER Mess- un Regeltechnik GmH IN EN Type G Port NK10H N80 PN Ø106 Ø Illustration 7: imensional picture NK10H IN EN Type Port NK P265GH N65 PN Ø110 Ø94 Ø Illustration 8: imensional picture NK10 8 / 12 _EN_NK10_ST4-C

9 FISCHER Mess- un Regeltechnik GmH Technical ata ANSI 16.5 Port A NK10K P265GH ls NK10N P265GH ls NK10P P265GH ls Ø72 A 359 Illustration 9: imensional picture NK10K NK10N NK10P Port A NK10M P265GH ls Ø62 A 359 Illustration 10: imensional picture NK10M _EN_NK10_ST4-C 9 / 12

10 3 Orer Coes FISCHER Mess- un Regeltechnik GmH 3 Orer Coes Coe no N K Type Switching Elements [1] Material 1 IN EN Form 1 N65 PN P265GH 2 IN EN Form 1 N80 PN P265GH 3 IN EN Form 1 N65 PN P265GH 7 IN EN Form 1 N65 PN H IN EN Form 1 N80 PN IN EN Form C N65 PN P265GH A IN EN Form C N65 PN P265GH F IN EN Form C N80 PN P265GH IN EN Form N65 PN P265GH H IN EN Form G N80 PN K ANSI ls P265GH M ANSI ls P265GH N ANSI ls P265GH P ANSI ls P265GH 4 Weling connection 82.5 mm (S80) 5 Weling connection 88.9 mm (S90) [8] Switching Elements 1 1 micro-switch 2 2 micro-switches 10 / 12 _EN_NK10_ST4-C

11 FISCHER Mess- un Regeltechnik GmH Orer Coes Information aout the ocument This ocument contains all technical ata aout the evice. Great care was taken when compiling the texts an illustrations; Nevertheless, errors cannot e rule out. Suject to technical amenments. FISCHER Mess- un Regeltechnik GmH ielefeler Str. 37a a Salzuflen Tel Fax we : info@fischermesstechnik.e _EN_NK10_ST4-C 11 / 12

12 3 Orer Coes FISCHER Mess- un Regeltechnik GmH 12 / 12 _EN_NK10_ST4-C