HIRLEKAR. Differential Pressure Instruments. Filter Monitoring Flow Monitoring Level Measurement Pressure Monitoring

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1 HIRLEKAR PRECISION Differential Pressure Instruments Filter Monitoring Flow Monitoring Level Measurement Pressure Monitoring

HIRLEKAR PRECISION Introduction rlekar Precision is one of the largest manufacturers of differential pressure gauges and switches in the world.

Global Reach rlekar Precision exports around 8% of production to more than 5 countries around the world.

Continuous employee participation rlekar Precision encourages employees to participate in the formation & implementation of corporate goals, to support the efforts in being a socially responsible

rlekar Precision beats competitors on quality, delivery, price, performance and service.

2 HIRLEKAR PRECISION Introduction rlekar Precision is one of the largest manufacturers of differential pressure gauges and switches in the world. It is a strategic & resourceful, yet cost effective vital link in the supply chain management of the customers from demanding industries of developed countries located throughout the world. Global Reach rlekar Precision exports around 8% of production to more than 5 countries around the world. rlekar Precision s products are available directly or through competent distributors in more than 45 countries with backing of trained engineers to maximize productivity of our valued customers. Continuous employee participation rlekar Precision encourages employees to participate in the formation & implementation of corporate goals, to support the efforts in being a socially responsible organization, and to conduct business with the highest degree of integrity & consistency. WHAT WOULD YOU GET FROM US? rlekar Precision beats competitors on quality, delivery, price, performance and service. A few of our core strengths are:private labeling We private label our instruments for many leading instrument manufacturers. You could sell the gauges with your logo and product sticker as your own product. Independent, dedicated teams Our factory in Pune has focused dedicated and independent teams in Engineering, Sales & Marketing, Purchase, Production, Quality control & Dispatch departments Fast delivery We understand the importance of fast shipping and Just in Time delivery. Our standard gauges ship within one week*. Efficient communications We respond to your queries as quickly as possible, on an average within one day. You can communicate with us in Deutsch, English, ndi, Marathi and Gujarathi. ghly customizable Gauge body material, dial size, gauge glass, seals, process connections - these are some of the parameters that can be customized by you. More than 1million combinations available! World Class shipping partners Efficient communication and logistics management has ensured strong interdependence with customers spread far and wide. UPS, FedEx and DHL are rlekar Precision s shipping partners. Export oriented & trusted Our products are sold in/ used in more than 5 countries around the world! Be assured of a world class experience with rlekar Precision right from product enquiry to manufacturing to product packaging.

3 Operating Principle What is the operating principle of our differential gauges? rlekar Precision manufactures differential gauges based on magnetic coupling principle. What is the basic operating principle? gh and w pressures are separated by a sensor assembly consisting of a magnet, diaphragm and a range spring. The difference in pressure causes the assembly to move in proportion to the change against the range spring. A rotary magnet, located in a separate body compartment and isolated from the acting pressures, is rotated by magnetic coupling as per the linear movement of the sensor assembly. A pointer attached to the rotary magnet indicates differential pressure on the dial. What are the advantages of magnetically coupled gauges? Cost effective: They are compact, cost effective and are available in 6 dial sizes. No threat of blow out: Magnetic coupling isolates the indicating mechanism window from the pressure chamber so no threat of blow out. Blow out disk not required. Eliminates balancing: Our gauges automatically reset after line surges and cold start. No adjustment pointer required. Over range protection: The instrument is fully protected for over range of up to respective maximum working pressure from the high side. gh line pressure, low differential pressure: Customizable: Over 1 million combinations of our gauges available 1 psi Sensor magnet Rotary magnet and pointer 5 gh 1 15 Reed switch 8 psi What are the two types of differential gauges we manufacture? Depending upon the construction, rlekar Precision manufactures two types of differential pressure gauges based on the magnetic coupling principle: Piston type: Used where migration of measuring media from HI to LO is allowed. Diaphragm type: Used where migration of media from HI to LO is not allowed. 2 w 25 What are piston gauges? Basic Operating Principle: In the rlekar Precision piston gauges, the axial movement of the piston magnet is converted into appropriate calibrated rotary movement of the pointer through a magnetic connection. Minor Migration: This type of differential pressure gauge is used in applications where minor migration of media from HP to LO is permitted. HIGH PISTON MAGNET TEFLON SEAL REED SWITCH RANGE SPRING LOW PISTON ROTARY MAGNET POINTER 1 POINTER HIGH MAGNET ROTARY MAGNET REED SWITCH 5 RANGE SPRING LOW CONVOLUTED DIAPHRAGM What are Diaphragm gauges? Basic Operating Principle: In the rlekar Precision diaphragm gauges, the movement of the convoluted/ rolling diaphragm is converted into appropriate calibrated rotary movement of the pointer through a magnetic connection. Zero Migration: This type of differential pressure gauge is used in applications where zero migration of media from HP to LP is permitted. Is one type of gauge better than the other? No. Piston and diaphragm type differential gauges are unique. The selection of the appropriate type of gauge depends upon a host of factors. The primary factor is - Is migration of measuring media from HI to LO allowed in your application. Models in piston type & diaphragm type Piston type: 2 DPG, D2 DPG, 15 DPG, 1 DPG, DX 1, PR 1, EX 2DPG Diaphragm type: 2 DGR, 3 DGC, 32 DGC, 4 DGC, 6 DGC, 7 DGC, DX 2, PR 2, GX 1, EX 2DGR EX 3DGC, EX 4 DGC

4 Applications Applications A few of the applications of our differential pressure gauges are mentioned below. For additional detail, please log on to: Filter Monitoring Irrigation filter Back flush outlet Filter Positive displacement flowmeter Unfiltered water Filtered water Air flow Suction Dust Bag Filters Inlet Filter Blower Heating/ cooling coils Filter Outlet Dust laden air Exhaust blower Filter Element Filter Cartridge Flow Monitoring gh Bleed w Bleed Valve Balancing Valve Pressure Monitoring Level Measurement Cryogenic Tank Liquid Tank Pump

PISTON Standard Gauge Switch (with a terminal strip inside) (with a DIN plug on top) 2 DPG P

25 upto 7 bar to 5 upto 15 psi Specifications Accuracy ±2% of the FSD (Ascending) Migration Minor

25 to -7 bar or equivalent range in other units First marking on the scale 2% of the FSD Sensing

dial size Stainless steel (SS 34): 2, 2.5, 3.5, 4, 4.5, 6. Engineering polymer: 2.5, 4.5, 6 Bayonet: 4.

Aluminum & Brass, 4 bar for SS & Monel Maximum process temperature to 8 C (32 to 175 F) Body

), toughened glass, acrylic & safety glass. Connection 1/4 NPT(F) (Std.

& back Over range protection Up to the max.

Switches (Adjustable in 2-1% of FSD) Liquid filling (glycerine/ silicone) 1 or 2 SPSTs with a DIN

built in relay Dual scale 1 or 2 SPDTs with a DIN plug Color band 1 or 2 SPDTs with a terminal

5 PISTON Standard Gauge Switch (with a terminal strip inside) (with a DIN plug on top) 2 DPG P Range: to.25 upto 7 bar to 5 upto 15 psi Specifications Accuracy ±2% of the FSD (Ascending) Migration Minor from high to low port Range -.25 to -7 bar or equivalent range in other units First marking on the scale 2% of the FSD Sensing element Piston Wetted parts Body material, SS 32 spring, ceramic magnet & seals Case material & dial size Stainless steel (SS 34): 2, 2.5, 3.5, 4, 4.5, 6. Engineering polymer: 2.5, 4.5, 6 Bayonet: 4. Mounting Direct, front flange, 2 pipe & surface mounting Maximum working pressure 2 bar for Aluminum & Brass, 4 bar for SS & Monel Maximum process temperature to 8 C (32 to 175 F) Body material Aluminum, Brass, SS 316 & Monel Seals Buna-N, Viton, EPDM Window Float glass(std.), toughened glass, acrylic & safety glass. Connection 1/4 NPT(F) (Std.), 1/4" BSP(F) and others through adaptor Porting In-line, rear, bottom, in-line & bottom, in-line & back Over range protection Up to the max. working pressure from high & low side Protection for gauge & switch IP 65 / NEMA-4 Options Switches (Adjustable in 2-1% of FSD) Liquid filling (glycerine/ silicone) 1 or 2 SPSTs with a DIN plug Red follower pointer 1 or 2 SPSTs with a terminal strip Customer logo 1 or 2 SPSTs with a built in relay Dual scale 1 or 2 SPDTs with a DIN plug Color band 1 or 2 SPDTs with a terminal strip Filter mesh in (+) connection Reverse port (pointer moves from right to left) Descending calibration Thick body for 45bar application Available in engineering polymer (EP) Case Removable glass Strong and durable Panel mounting possible Condensation can be cleaned Light weight Surface mounting Horizontal pipe mounting Vertical pipe mounting Panel / Flange mounting

PISTON MOQ applies Gauge (with a DIN plug on top) (with 2 DIN plugs) DX 1

Sensing element Magnetic piston with compression spring Wetted parts SS 316, SS 32

(SS 34): 2.5, 3.5, 4. Engineering polymer: 2.5 Bayonet: 4.

Buna-N & Viton Window Float glass(std.), toughened glass, acrylic & safety glass.

Optional 1/4" NPT(F) Porting In-line Over range protection Up to the max.

silicone) 1 or 2 SPSTs with a DIN plug Red follower pointer 1 or 2 SPDTs with a DIN

6 PISTON MOQ applies Gauge (with a DIN plug on top) (with 2 DIN plugs) DX 1 Specifications Accuracy ±3% of the FSD (Ascending) Migration Minor from high to low port Range -.25 to -1 bar/psi or psi/kpa dual scale First marking on the scale 15% of the FSD Sensing element Magnetic piston with compression spring Wetted parts SS 316, SS 32 compression spring, seals & ceramic magnet Case material & dial size Stainless steel (SS 34): 2.5, 3.5, 4. Engineering polymer: 2.5 Bayonet: 4. Mounting Direct, front flange, 2" pipe & surface mounting Maximum working pressure 1, 25 & 4 bar. Maximum process temperature to 8 C (32 to 175 F) Enclosure Engineering Polymer Seals Buna-N & Viton Window Float glass(std.), toughened glass, acrylic & safety glass. Connection 1/4 BSP(F) Std. Optional 1/4" NPT(F) Porting In-line Over range protection Up to the max. working pressure from high & low side Protection for gauge & switch IP 65 Options P Range: to.25 upto 1 bar to 3.5 upto 14 psi Switches (Adjustable in 2-1% of FSD) Liquid filling (glycerine/ silicone) 1 or 2 SPSTs with a DIN plug Red follower pointer 1 or 2 SPDTs with a DIN plug Customer logo Dual scale Color band DP range can be changed easily at site by replacing range spring. (Available only in gauges with colour band or zones without any graduations) Available in engineering polymer (EP) Case Removable glass Strong and durable Panel mounting possible Condensation can be cleaned Light weight Surface mounting Horizontal pipe mounting Vertical pipe mounting Panel / Flange mounting

7 DIAPHRAGM Max. pressure 2 DGR P Range: to.25 upto 7 bar to 5 upto 1 psi Gauge Switch (with a terminal strip inside) (with a DIN plug on top) Available in engineering polymer (EP) Case Surface mounting 6. Horizontal pipe mounting 4.5 Removable glass Strong and durable Panel mounting possible Condensation can be cleaned Light weight 2.5 Vertical pipe mounting Panel / Flange mounting

75 to -4 bar or equivalent ranges in other units First marking on the scale 15% of the FSD Sensing element Diaphragm Wetted parts Diaphragm, body material, SS 32 spring & ceramic magnet Case material

8 DIAPHRAGM Gauge Switch (with a terminal strip inside) Standard 3 DGC P Range: to.75 upto 4 bar to 1 upto 6 psi Specifications Accuracy ±2% of the FSD (Ascending) Migration No migration ; Zero leakage from high to low port Range -.75 to -4 bar or equivalent ranges in other units First marking on the scale 15% of the FSD Sensing element Diaphragm Wetted parts Diaphragm, body material, SS 32 spring & ceramic magnet Case material & dial size Stainless steel (SS 34): 2, 2.5, 3.5, 4, 4.5, 6 Engineering polymer: 2.5, 4.5, 6 Bayonet: 4 Mounting Direct, front flange,2 pipe & surface mounting Maximum working pressure 1 bar / 15 psi Maximum process temperature to 8 C (32 to 175 F) Body material Aluminum, Brass, SS 316 & Monel Diaphragm Buna-N, Viton, EPDM Window Float glass(std.), toughened glass, acrylic & safety glass Connection 1/4 NPT(F) (Std.), 1/4" BSP(F) and others (through adaptor) Porting In-line, rear, bottom, bottom & vent, in-line & vent, in-line & bottom, in-line & back, bottom vent & inline Over range protection Up to the max. working pressure from high side Protection for gauge & switch IP 65 / NEMA-4 (with a DIN plug on top) Options Switches (Adjustable in 3-1% of FSD) Liquid filling 1 or 2 SPSTs with a DIN plug Red follower pointer 1 or 2 SPSTs with a terminal strip Customer logo 1 SPST with a built in relay Dual scale 1 or 2 SPDTs with a terminal strip Colour band 1 or 2 SPDTs with a DIN plug Filter mesh in (+) connection Descending calibration Instrument can be calibrated with square root scale for flow measurement. Available in engineering polymer (EP) Case Removable glass Strong and durable Panel mounting possible Condensation can be cleaned Light weight Surface mounting Horizontal pipe mounting Vertical pipe mounting Panel / Flange mounting

DIAPHRAGM Gauge Switch (with a DIN plug on top) 4 DGC P Range: to 25 upto 6 mm H 2 O to 1 upto 25 inch

w Range ±2% of the FSD (Ascending) No migration.

Diaphragm Diaphragm, body material, SS 32 spring & ceramic magnet Case material & dial size Stainless

Mounting Direct, front flange, 2 pipe & surface mounting Maximum working pressure 35 bar / 5 psi.

), Optional 1/4" BSP - F with adaptor Porting In-line, rear, bottom, bottom & vent, in-line & vent,

working pressure from high side Protection for gauge & switch IP 65 / NEMA-4 Options Liquid filling

calibration Switches (Adjustable in 2-8% of FSD) 1 or 2 SPSTs with a DIN plug 1 or 2 SPSTs with a

9 DIAPHRAGM Gauge Switch (with a DIN plug on top) 4 DGC P Range: to 25 upto 6 mm H 2 O to 1 upto 25 inch H 2 O Specifications Accuracy Migration Range First marking on the scale Sensing element Wetted parts w Range ±2% of the FSD (Ascending) No migration. Zero leakage from high to low port -25 to -6 mm H2O or similar ranges in other units 15% of the FSD Diaphragm Diaphragm, body material, SS 32 spring & ceramic magnet Case material & dial size Stainless steel (SS 34): 2.5, 3.5, 4, 4.5, 6. Engineering polymer: 2.5, 4.5, 6 Bayonet: 4. Mounting Direct, front flange, 2 pipe & surface mounting Maximum working pressure 35 bar / 5 psi. Maximum process temperature to 8 C (32 to 175 F) Body material Aluminum, SS 316 Diaphragm Buna-N, Viton, EPDM Window Float glass(std.), toughened glass, acrylic & safety glass Connection 1/4 NPT - F ( Std.), Optional 1/4" BSP - F with adaptor Porting In-line, rear, bottom, bottom & vent, in-line & vent, in-line & bottom. Over range protection Up to the max. working pressure from high side Protection for gauge & switch IP 65 / NEMA-4 Options Liquid filling Red follower pointer Customer logo Dual scale Colour band Filter mesh in (+) connection Descending calibration Switches (Adjustable in 2-8% of FSD) 1 or 2 SPSTs with a DIN plug 1 or 2 SPSTs with a terminal strip 1 SPST with a built in relay 1 or 2 SPDTs with a terminal strip 1 or 2 SPDTs with a DIN plug Available in engineering polymer (EP) Case Removable glass Strong and durable Panel mounting possible Condensation can be cleaned Light weight Surface mounting Horizontal pipe mounting Vertical pipe mounting Panel / Flange mounting

10 DIAPHRAGM w Range 6 DGC P Range: to 25 upto 125 mm H2O to1 upto 5 inch H2O Gauge column Switch (With a DIN plug on top) Accessories supplied with instrument Surface mounting Horizontal pipe mounting Vertical pipe mounting Panel / Flange mounting

DIAPHRAGM Cryogenic 7 DGC P Range: to 75 upto 4 mmh2o to 1 upto 6 psi Gauge Switch (with a terminal strip inside) (with a DIN plug on top) Available in engineering polymer (EP) Case Surface

11 DIAPHRAGM Cryogenic 7 DGC P Range: to 75 upto 4 mmh2o to 1 upto 6 psi Gauge Switch (with a terminal strip inside) (with a DIN plug on top) Available in engineering polymer (EP) Case Surface mounting 6. Horizontal pipe mounting 4.5 Removable glass Strong and durable Panel mounting possible Condensation can be cleaned Light weight 2.5 Vertical pipe mounting Panel / Flange mounting

12 DIAPHRAGM MOQ applies DX 2 P Range: to.16 upto 2 bar to 2.4 upto 3 psi Gauge (With a DIN plug on top) (with 2 DIN plugs) Available in engineering polymer (EP) Case Surface mounting Horizontal pipe mounting Removable glass Strong and durable Panel mounting possible Condensation can be cleaned Light weight 2.5 Vertical pipe mounting

DIAPHRAGM Center Zero CZ 3DGC Gauge P Range:.75 - -.

the FSD (Ascending) No migration ; Zero leakage from high to low port.75--.

5, 6 Bayonet: 4 Direct, front flange,2 pipe & surface mounting 1 bar / 15 psi to 8 C (32 to 175 F) Aluminum, Brass, SS 316 & Monel Buna-N, Viton, EPDM

), 1/4" BSP(F) and others through adaptor In-line, rear, bottom, bottom & vent, in-line & vent, in-line & bottom in-line & back, bottom vent in-line Up

13 DIAPHRAGM Center Zero CZ 3DGC Gauge P Range: bar upto bar Specifications Accuracy Migration Range First marking on the scale Sensing element Wetted parts Case material & dial size ±2% of the FSD (Ascending) No migration ; Zero leakage from high to low port to 4--4 bar or equivalent ranges in other units 2% of the FSD Diaphragm Diaphragm, body material, SS 32 spring & ceramic magnet Stainless steel (SS 34): 2.5, 3.5, 4, 4.5, 6 Engineering polymer: 2.5, 4.5, 6 Bayonet: 4 Direct, front flange,2 pipe & surface mounting 1 bar / 15 psi to 8 C (32 to 175 F) Aluminum, Brass, SS 316 & Monel Buna-N, Viton, EPDM Float glass(std.), toughened glass, acrylic & safety glass 1/4 NPT(F) (Std.), 1/4" BSP(F) and others through adaptor In-line, rear, bottom, bottom & vent, in-line & vent, in-line & bottom in-line & back, bottom vent in-line Up to the max. working pressure from high side IP 65 / NEMA-4 Switch Mounting Maximum working pressure Maximum process temperature Body material Diaphragm Window Connection Porting (with a terminal strip inside) Over range protection Protection for gauge & switch Options Switches Liquid filling Customer logo Dual scale Colour band 1 or 2 SPDTs with a terminal strip 1 or 2 SPDTs with a DIN plug (with a DIN plug on top) Available in engineering polymer (EP) Case Removable glass Strong and durable Panel mounting possible Condensation can be cleaned Light weight 2.5 Surface mounting Horizontal pipe mounting Vertical pipe mounting Panel / Flange mounting

PISTON Hazardous Area Akron Electric (USA) FCG (India) (with a terminal

Accuracy Migration Range First marking on the scale Sensing element Wetted

process temperature Body material Seals Window Connection Porting Over

Ex-proof enclosure) Liquid filling (glycerine/ silicone) Red follower

material, SS 32 spring, ceramic magnet & seals Stainless steel (SS 34): 2.

to 8 C (32 to 175 F) Aluminum, Brass, SS 316, Monel Buna-N, Viton, EPDM

), 1/4 BSP(F) (Opt.) Bottom (right side), back Up to the max.

in 2-1% of FSD) 1 or 2 SPSTs with a terminal strip 1 or 2 SPDTs with a

14 PISTON Hazardous Area Akron Electric (USA) FCG (India) (with a terminal strip inside) Switch (Without Ex-proof enclosure) EX 2DPG Specifications Accuracy Migration Range First marking on the scale Sensing element Wetted parts Case material & dial size Mounting Maximum working pressure Maximum process temperature Body material Seals Window Connection Porting Over range protection Protection for gauge & switch Options Switch* (Without Ex-proof enclosure) Liquid filling (glycerine/ silicone) Red follower pointer Customer logo Dual scale Color band Filter mesh in (+) connection Descending calibration P Range: to.25 upto 1 bar to 5 upto 15 psi ±2% of the FSD (Ascending) Minor from high to low port -.25 to -1 bar or equivalent range in other units 2% of the FSD Piston Body material, SS 32 spring, ceramic magnet & seals Stainless steel (SS 34): 2.5, 3.5, 4, 4.5, 6. Engineering polymer: 2.5, 4.5, 6. Surface, 2 pipe mountings 2 bar for Aluminum & Brass, 4 bar for SS & Monel to 8 C (32 to 175 F) Aluminum, Brass, SS 316, Monel Buna-N, Viton, EPDM Float glass(std.), toughened glass, acrylic & safety glass. 1/4 NPT(F) (Std.), 1/4 BSP(F) (Opt.) Bottom (right side), back Up to the max. working pressure from high & low side IP 65 / NEMA-4 Switches (Adjustable in 2-1% of FSD) 1 or 2 SPSTs with a terminal strip 1 or 2 SPDTs with a terminal strip Available in engineering polymer (EP) Case Removable glass Strong and durable Panel mounting possible Condensation can be cleaned Light weight 2.5 Enclosure Approvals *cally available explosion proof enclosures can be used ASSEMBLY Horizontal pipe mounting Vertical pipe mounting Surface mounting

15 PISTON Flameproof PR 1 P Range: to.25 upto 1 bar to 5 upto 15 psi (with a terminal strip inside) Approximately 2kg (4.4lbs) COMMON MOUNTING BRACKET Horizontal pipe mounting Vertical pipe mounting This gauge is Approval Ex d IIC T6 IP66 approved

16 DIAPHRAGM Flameproof PR 2 P Range: to.75 upto 4 bar to 1 upto 6 psi (with a terminal strip inside) Approximately 2.5kg (5.5lbs) COMMON MOUNTING BRACKET Horizontal pipe mounting Vertical pipe mounting This gauge is Approval Ex d IIC T6 IP66 approved

Accuracy ±5% of the FSD (Ascending) Migration Minor from high to low port Range

of the FSD Sensing element Piston Wetted parts Body material, SS 32 spring,

Maximum process temperature to 8 C (32 to 175 F) Body material Aluminum, SS

max. working pressure from high & low side Protection for gauge & switch IP 65

DIN plug on top Special Products Special products rlekar Precision manufactures

These products are manufactured at the rlekar Precision facility where the

17 PISTON Double Dial D2 DPG P Range: to.25 upto 1 bar to 5 upto 15 psi Gauge (with a DIN plug on top) Specifications Accuracy ±5% of the FSD (Ascending) Migration Minor from high to low port Range -.25 to -1 bar or equivalent range in other units First marking on the scale 2% of the FSD Sensing element Piston Wetted parts Body material, SS 32 spring, ceramic magnet & seals Case material Stainless steel (SS 34) Dial size in inch /mm 2.5 Mounting Direct Maximum working pressure 35 bar for Al, Br ; 45 bar for SS Maximum process temperature to 8 C (32 to 175 F) Body material Aluminum, SS 316, Brass Seals Buna-N, Viton & EPDM Window Float glass(std.), toughened glass, acrylic & safety glass. Connection 1/4 NPT(F) (Std.) Optional: 1/4 BSP(F) Porting In-line, bottom Over range protection Up to the max. working pressure from high & low side Protection for gauge & switch IP 65 / NEMA-4 Options Liquid filling (glycerine/ silicone) Red follower pointer Customer logo Dual scale Color band Filter mesh in (+) connection Switches (Adjustable in 2-1% of FSD) 1 or 2 SPSTs with a DIN plug on top 1 SPDT with a DIN plug on top Special Products Special products rlekar Precision manufactures certain specialized differential pressure instruments for the OEM Industry. These products are manufactured at the rlekar Precision facility where the other products are produced. These products are categorized as special products as they require a longer lead time and/or a standard minimum order quantity. 32 DGC Irrigation Industry Natural Gas Filtration Filter Monitoring Float Gauge Cryogenic Industry

How to order Unique Gauge Ordering Code All of the rlekar Precision gauge models can be ordered through

Ordering code sequence X X X X X X- X X- X- X X- X X- X- X X- X - X- X X- ( R a n g e ) - X 1 2 3 4 5 6

case made of high- strength glass reinforced engineering polymer nylon.

5 (115mm) 6. (15mm) In case of condensation, fogging occurs inside the case which affects visibility.

No need to send the gauge for cleaning. Recommended in areas witnessing severe temperature fluctuations.

18 How to order Unique Gauge Ordering Code All of the rlekar Precision gauge models can be ordered through a unified 12 point ordering code shown below. Please mention the entire code at the time of ordering. Ordering code sequence X X X X X X- X X- X- X X- X X- X- X X- X - X- X X- ( R a n g e ) - X Series Type Body material Dial size Connection Porting Case Window Seal / Diaphragm Switch Range Options Example: 2DPG-G-S-2.5-4N-2-S4-F-B-21-(-1bar)-C NEW: Polymer Case Engineering Polymer (EP) Case The EP Case is a removable case made of high- strength glass reinforced engineering polymer nylon. The EP Case comes in three sizes: 2.5 (63mm), 4.5 (115mm) and 6. (15mm). Advantages 2.5 (63mm) 4.5 (115mm) 6. (15mm) In case of condensation, fogging occurs inside the case which affects visibility. Remove the outer part of the EP Case, clean the glass and reattach the cover. No need to send the gauge for cleaning. Recommended in areas witnessing severe temperature fluctuations. Removable Glass cover Panel Mounting possible Condensate can be cleaned Light weight Strong & durable Which gauges come with optional EP Case? Piston Gauges: 2 DPG, DX 1, EX 2DPG Diaphragm Gauges: 2 DGR, 3 DGC, 4 DGC, 7 DGC, GX 1, CZ Gauges, EX gauges

19 Types of dials Types of dials we print rlekar Precision prints a variety of dials. Some of the dials we print are below. Please contact us for customized dials. All our dial printing is done in our in-house printing department P IN. H 2O OXYGEN kpa differential LPM USGPM B3 USE NO OIL HIGH LOW FILTER Pa / wc kg/cm 2 bar ( x.1mpa) INDICATION ONLY 1% 7% p mbar P LIQUID N 2 LIQUID O 2 / Ar Descending PSID Ascending P bar N2 5 O OXYGEN AR LITRESx USE NO OIL 25 mbar

Argentina Germany Mexico South Africa Australia Denmark Netherlands South Korea Austria India Spain Oman Bahrain Indonesia Pakistan Switzerland Belgium Iran Peru Taiwan Canada Ireland Philippines

20 Argentina Germany Mexico South Africa Australia Denmark Netherlands South Korea Austria India Spain Oman Bahrain Indonesia Pakistan Switzerland Belgium Iran Peru Taiwan Canada Ireland Philippines Thailand China Israel Poland Turkey Colombia Italy Romania U.A.E Czech Republic Japan Russia U.K Finland Jordan Saudi Arabia USA rlekar Precision France Malaysia Singapore Venezuela Hong Kong New Zealand Vietnam Slovenia PRINTED IN OCT-217

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