200 DGR SALIENT FEATURES !!!

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1 DIAPHRAGM INSTRUMENTS Hirlekr Precision mnufctures qulity ifferentil pressure instruments esigne to mesure the ifference in pressure etween two points in system n show it on single il instrument. A mgnetic movement senses the ifferentil pressure. The instruments hs seprte pressure n inicting mers. SALIENT EATURES 0 DGR Rolling Diphrgm Instruments Cost effective n relile. Uses iphrgm sensor. Esy to re il instrument elimintes the ccumulte errors of two instruments instlltions. High operting pressure up to 0 r. Differentil pressure rnge up to 7 r. Inicting menism isolte from pressure mer. Wie pplictions in ir, gs n liqui mei. Ree contct swites optionl. Zero migrtion etween high n low pressures. Only swit is lso ville. Mnufcture in ISO certifie plnt. These iphrgm instruments cn inicte smll vlues of ifferentil pressure even when use t high line pressures. Hirlekr Precision's ifferentil pressure instruments provie instntneous n continuous informtion regring system conitions helping in eliminting premture servicing of equipment, voi unseule own time of costly processes n etect norml system conitions. Switing cility : Instruments cn e supplie with ree swites to initite lrms, ctivte other equipment, or shut the system own. Two swites re use when high n low limits re esire. Guge-swit moels provie the user with oth, guge reout n swit opertion. APPLICATIONS : Monitor filter conitions, set filter y-pss, or initite filter clening cycle.determine ostructions in process lines. Check conition of pumps, het exngers, n other processing equipment. Ajust flow rtes in piping systems. Monitor liqui levels in storge tnks. HIRLEKAR PRECISION Hirlekr Precision Engineering Privte Limite 67 Inustril Town plnning seme II, Rmteki, Pune INDIA Phone : / x : Emil : hirlekr@vsnl.com wesite : orm MKT:0/Ver 4

2 OPERATING PRINCIPLE High n Low pressures re seprte y sensor ssemly consisting of mgnet, iphrgm, n rnge spring. The ifference in pressure cuses the sensor ssemly to move in proportion to the nge ginst rnge spring. 0 DGR REED SWITCH 50 RANGE SPRING A rotry mgnet, locte in seprte oy cvity n isolte from the cting pressures, is rotte y mgnetic coupling s per the liner movement of the sensor ssemly. A pointer tte to the rotry mgnet inictes ifferentil pressure on the il. POINTER MAGNET HIGH LOW Swit : Ree swites re locte jcent to the pressure mer n re ctivte y the mgnetic fiel of the sensor ssemly. ROTARY MAGNET ROLLING DIAPHRAGM TECHNICAL DATA ( MODEL 0 DGR ) Rnges : to 0-7 r. Units of clirtion : 2 Kg/cm, r. mr, kp, psi Operting principle : Mgnetic coupling with rolling iphrgm sensor. Working pressure : 0 r / 3000 psi Accurcy : ± 2 % of SD (Ascening) Dil sizes : 2.5"(63mm), 3.5"(80mm), 4''(100mm), 4.5"(115mm) & 6''(150mm). Boy Mteril : Aluminium, Brss & SS-316. Temperture : 80 C Mx. for the mei. Protection : IP 65 for guge Migrtion of mei : Zero migrtion etween high n low pressures. Wette prts : Diphrgm, cermic mgnet, SS 304 spring. Other internl prts in Aluminium, or SS-316 s per the oy. Sels : Bun-N (Stnr), Viton Connections : ¼" NPT () or ¼" BSP() (on request,longer le time) Porting : In line (stnr), Bck & ottom on request. Swit : SPST or SPDT, one or two. Swites re fiel justle. The set points cn e increse or ecrese externlly with simple screwriver justments. When two swites re use, either swit cn e juste inepenently. Dil cse : Stinless steel cse n flnge. Winow : Glss (Stnr ), Acrylic, Toughene glss on request. Other options : Glycerine filling, Re resettle follower pointer, ul scle, DIN plug, striner in (+) connection. orm MKT:0/Ver 4 0 DGR, Pge 2 of 6

3 STANDARD DIMENSIONS, IN-LINE PORTING (MODEL 0 DGR) STANDARD CASE 23.0 DIAL O 63 (2.5") 80 (3.5") 100 (4") 115 (4.5") 150 (6") O 3 PLACES p.c LANGE CASE 23.0 DIAL 63 (2.5") 80 (3.5") 100 (4") 115 (4.5") 150 (6") O 1 2 p.c.. * orm MKT:0/Ver 4 * PANEL CUT OUT = + 1 mm. 0 DGR, Pge 3 of 6

4 GAUGE + SWITCH WITH REED CONTACTS WITH DIN PLUG AND TERMINAL STRIP (MODEL 0 DGR) DIAL O 63 (2.5 ) 80 (3.5 ) 100 (4 ) 115 (4.5 ) 150 (6 ) orm MKT:0/Ver 4 0 DGR, Pge 4 of 6

5 GAUGE + SWITCH WITH REED CONTACTS WITH TERMINAL STRIP & 1/2 CONDUIT CONNECTION (MODEL 0 DGR) HEX. (1 ) 1/2 NPT DIAL O 63 (2.5 ) (3.5 ) (4 ) (4.5 ) (6 ) orm MKT:0/Ver 4 0 DGR, Pge 5 of 6

6 HOW TO ORDER A DIERENTIAL PRESSURE INSTRUMENT, MODEL 0 DGR Series Exmple 0 DGR Coe Descriptions Type GS G Guge S Swit GS Guge + Swit Boy mteril B A Aluminium (Anoize) B Brss (longer le time) S SS-316 (longer le time) Dil size (63 mm) (115 mm) (80 mm) (150 mm) (100 mm) Connection 4N 4B ¼ BSP (emle) (on request,longer le time) 4N ¼ NPT (emle) 4T ¼ BSPT (emle) (on request,longer le time) ZZ Specil connection sizes using ptor Porting 1 1 In-line (Stnr) 2 Rer / Bck 3 Bottom 6 In-line & Bottom Cse type SS SS SS 304 with ruer ring (stnr) S SS 304 flnge with ruer ring (stnr flnge) Winow A Glss (stnr) A Acrylic T Toughene glss Sel B B Bun-N (stnr) V Viton E EPDM Swit 3 0 None 1 One SPST, with DIN plug* 2 One SPST, with terminl strip 2A One SPST, with uilt in rely 3 Two SPSTs, with DIN plug* 4 Two SPSTs, with terminl strip 5 One SPDT, with DIN plug* 6 One SPDT, with terminl strip 7 Two SPDTs, with two DIN plugs* 8 Two SPDTs, with terminl strip * DIN plug : we mount it on the top, on the plstic swit cover. However we cn give it t the ck s request. SPST Specifictions : 10 VA AC or DC (mx) 150 V AC or DC (mx) 0.5 Amp AC or DC (mx) Built in rely : 230 V AC, 1 Amps. Stnr Rnges psi Kg/cm² r Mr psi kp Other rnges on request. Options BC 0 None A Glycerine filling (Affects ccurcy) B Re follower pointer on crylic winow (Affects ccurcy) C Customer Logo D Dul scle E Colour n Striner in (+) connection SPDT Specifictions : 5 VA AC or DC (mx) 175 V AC or DC (mx) 0.25 Amp AC or DC (mx) Swit pplicle for S & GS types only. Swites operte from 30 to 100% of the rnge & mounte t the ck. Swites re in plstic enclosure, they re fctory set, fiel justle. Orering Sequence Coe (Exmple) 0 DGR GS B 3.5 4N 1 SS A B 3 (0-100 psi) BC orm MKT:0/Ver 4 Series Type Boy mteril Dil size Connection Porting Cse type Winow Sel Swit Rnge Options Limittions for mking comintions: Glycerine filling will not hve follower pointer. No follower pointer ville in 6 (150 mm). Specifictions n imensions given in this leflet represent the stte of engineering t the time of printing, moifictions my tke plce n mterils specifie my e replce y others without prior notice. 0 DGR, Pge 6 of 6