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Hydraulic Range Piston type Pressure Switches Mz Series

Varies Ranges : from 0 to 150 mm Wc up to 0 to 600 Bar

Differential (Dead Band) : Fixed (Within 10% of set value)

Temperature Range : -10 to 80 Degree C (for high temperature use of impulse tube is advisable)

Accuracy : +/- 1% to 2% FS

No. of Switches : one no. or, two nos.

Type of Switches : Micro Switches - SPDT

Sensing Element : Diaphragm (PTFE or Neoprene or SS 316) or Piston

Enclosure : Dustproof IP 40, Weatherproof to IP 54 / IP 65 / IP 66, Flameproof

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Hydraulic Range Piston type Pressure Switches Mz Series

  1. 1. MZ HYDRAULIC RANGE PRESSURE SWITCHES Transparent tough polycarbonate cover for visibility Separate terminal block for wiring Internal setscrew to avoid easy access to setpoint Large spring for ease of setpoint IP66 enclosure for excellent ingress protection Sealing facility to avoid tampering of working switch Cable gland as a standard accessory Non corroding exteriors for a long life of the switch Approximate Weight : 0.680 Kg. Some Applications : SS316 & teflon as wetted parts to switch a wide variety of media Electr ica l Conn ect ion : Fig. 2 Used where pressure surges and fluctuations may be Z 2 3 present like oil hydraulic systems, etc. 1
  2. 2. HYDRAULIC RANGE PRESSURESWITCHES MZ PRESSURE CAPSULE DETAILS 5 4 3 2 Note : wetted parts are mentioned in italics. 1 INSTALLATION DRAWING 114 (4.48) No. Description 1. Pressure housing (SS) 2. Surge Arrestor (SS) 3. Surge Reducer (SS) 4. Piston (SS) 5. O-Ring (Viton®) 93 (3.66) 85 (3.34) Cover Locking Screw 4 Nos. 5.5 (0.22) Cable Entry Mounting Bracket 50 (1.97) Pressure Port 1/4" BSP (F) HEX A/F 22 HEX A/F 0.87 50 (1.97) APPROX. DIMENSIONS IN inches . . . .
  3. 3. MZ HYDRAULIC RANGE PRESSURE SWITCHES RANGE SELECTION TABLE Range Code Range bar (psi) Differential* bar (psi) Maximum Working Pressure bar (psi) Approximate Maximum for "A8" microswitch 040 5 - 40 (72.52- 580.15) 5 (72.52) 80 (1160.31) 100 10- 100 (145.04- 1450.38) 12 (174.05) 120 (1740.45) 200 7 - 200 (101.63- 2900.75) 24 (348.09) 200 (2900.75) 350 35- 350 (101.53- 2900.75) 24 (348.09) 500 (7251.89) 400 100- 400 (1450.38- 5801.51) 30 (435.11) 400 (5801.59) *Minimum differential increases with setpoint (Graphs available on request)
  4. 4. Continuous efforts for product development may necessitate changes in these details without notice GoupGoupGoupGoupGoupGoupGoupGoup .Acssssstctfxfftvtss,tA.cstc,SSssst¼BSP tsz&sscfy Psscfyftvty. ZPFAS st ct EtySz t fEcs StcTy vs cstc Ty Pst GoupGoupGoupGoupGoupGoupGoupGoup = = = = = = Gs cstc tt A;VA = SPT cstcs = Gs cstc tA, VA PF= ssstc, fxfft tsc PF= ssstc, fxfft tscs P= ssstc, st fftt sc P= ssstc, st fftt scs Avyt tAG Z= Pcss ssstc tt tst yct cst IPs IS svf st tst cv ct.W vy fct, yft tf syts tcst. = X. PssPt t/Sz S= SS/¼"BSPF S= SS/¼PTF = SS 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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