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FC VACUUM SWITCHES
Large Flamepaths
for better safety
Seperate Terminal block
for safe wiring
Internal ground screw
Robust...
VACUUM SWITCHES FC
PRESSURE CAPSULE DETAILS
6
5
4
3
2
1
No. Description
1. Disc
2. Diaphragm
3. Plunger (SS316)
4. Junctio...
FC VACUUM SWITCHES
RANGE SELECTION TABLE
Range Code Range
mm Hg (" Hg)
Differential* mm Hg ("Hg) Maximum
Working Pressure
b...
VACUUM SWITCHES FC
Con nuous efforts for product development may necessitate changes in these details without no ce
OWTOOEF...
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Flameproof Vacuum Switch series FC

Flameproof Vacuum Switch is designed as per IS2148 for Gas Gr. IIC Flameproof - CE Certification and approved by a leading European Lab – “BASEEFA” for ATEX & ICEEX certificates

Adjustable Range : 760 to 100 mm Hg Vacuum

Diaphragm : Teflon or, Neoprene

Pressure Housing MOC : Aluminium, Brass or, SS 316

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Flameproof Vacuum Switch series FC

  1. 1. FC VACUUM SWITCHES Large Flamepaths for better safety Seperate Terminal block for safe wiring Internal ground screw Robust Snap action microswitches for reliable switching Lock Screw for stable set-points Cover chained to main body Large Springs for finer set-points Nonmetallic diaphragms for minimal drift Large Sensing area for better sensitivity Approximate Weight : Vacuum switches with Aluminium enclosure Vacuum switches with Grey CI enclosure Vacuum switches with SS enclosure : 2.03 Kg. : 4.43 Kg. : 4.56 Kg. Electrical Connection : Z 2 3 1 SomeApplications : Used in filters, vacuum pumps, blower systems, etc.
  2. 2. VACUUM SWITCHES FC PRESSURE CAPSULE DETAILS 6 5 4 3 2 1 No. Description 1. Disc 2. Diaphragm 3. Plunger (SS316) 4. Junction Plate 5. Sealing O-Ring (Teflon®) 6. Sealing diaphragms (Teflon®) Note : wetted parts are mentioned in italics. INSTALLATION DRAWING 145.0 (5.71) 126.0 (4.96) 110.0 (4.33) Cable Entry 26.0 1/2" NTP(F) (Options Avail.) (1.02) Ø7 (Ø 0.27), Mounting Holes, 2nos 34.5 (1.36) Vacuum Port 1/4" BSF(F) Ø5 (Ø0.20) Hole (to be always open to atmosphere) APPROX. DIMENSIONS IN inches .
  3. 3. FC VACUUM SWITCHES RANGE SELECTION TABLE Range Code Range mm Hg (" Hg) Differential* mm Hg ("Hg) Maximum Working Pressure bar (psi) Approximate Maximum for "A1" microswitch V00 † 760 - 100 (29.92 - 3.94) 10 (0.39) 12 (174.05) *Minimum differential increases with set point (Graphs available on request) † Typical values achieved at sea level, total vacuum that can be achieved varies mainly with altitude. *Please indicate specifically the differential value in enquiry/order, when it is critical in your application. NK Instruments Pvt. Ltd.B-501/504, 5th floor, Raunak Arcade, Near THC Hospital, Gokhale Road, Naupada, Thane(W) 400602. Maharashtra INDIA Telefax Nos.: 91-22-25301330 / 31 / 32 E-Mail: sales@nkinstruments.com Web: http://www.nkinstruments.com Skype: nitinkelkarskype Gtalk: nkinstruments2006 Authorised Dealer
  4. 4. VACUUM SWITCHES FC Con nuous efforts for product development may necessitate changes in these details without no ce OWTOOEFLEPOOFVGESWITES st ct GsG ssfct EtySzStcTy vs cstc Ty GoupGoupGoupGoupGoupGoupGoupGoup = F= Ff ssstc, ATEx&IEEx v,t A sIS/IE fGs G.II svf st tst cv ct.W vy fct, yft tf syts tcst. V= vcstc, fxfft ttsc V= GoupGoupGoupGoupGoupGoupGoupGoup .AffstcfsII,t½"PTctyssSPTvcstc,vt vc,tA.cstc,SSssst¼BSPtsz&sscfy Psscfyftvty.Ifytfsttsscf,ctstcststtt tscsss. FVVAS Ftttts sfPsss tsP = tt = = = = = = = PssPt t/Sz S== SS/¼"BSPF S= SS/¼PTFTf =A. ½"PTts =A. ¾"PTts =A. x. ts =GyI ½"PT ts =GyI ¾"PT ts =GyI x. ts =SS½" PTts =SS ¾"PT ts =SS x. ts NK Instruments Pvt. Ltd.B-501/504, 5th floor, Raunak Arcade, Near THC Hospital, Gokhale Road, Naupada, Thane(W) 400602. Maharashtra INDIA Telefax Nos.: 91-22-25301330 / 31 / 32 E-Mail: sales@nkinstruments.com Web: http://www.nkinstruments.com Skype: nitinkelkarskype Gtalk: nkinstruments2006 Authorised Dealer

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