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Pressure Gauges

Pressure Gauges
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Pressure Gauges

Product catalog summary
Overview: The document provides comprehensive technical details on HAM-LET Industrial Mechanical Pressure Gauges, highlighting their application in industrial, process, and instrumentation settings. These gauges are designed for durability and accuracy, suitable for both indoor and outdoor environments.
Selection Guide: This section outlines the criteria for selecting the appropriate gauge, including measurement range, case size, accuracy, and safety features. It emphasizes adherence to EN 837-2 or ASME B40.1 standards based on application pressures, temperature, and environmental conditions.
Specifications: Gauges are available in nominal case sizes from 40mm to 160mm, with pressure ranges from vacuum to 1000 bar. Constructed from high-quality materials like 316L stainless steel, they comply with EN 837 and ASME B40.1 standards. The document specifies accuracy levels and offers liquid filling options to mitigate vibrations and pressure pulsations.
Series Details:
  • IMPH Series (Heavy Duty): Designed for harsh environments with stainless steel construction, safety laminated glass, and IP 65 protection, suitable for pressures up to 1000 bar.
  • IMPG Series (General Use): Offers durability with similar construction and protection features as the IMPH series.
  • IMPS Series (Safety Pattern/Solid Front): Features a break-proof solid front and blow-out back for enhanced safety, suitable for high-pressure applications.
Testing and Calibration: All gauges undergo factory calibration and bubble testing for leakage, with helium leak testing available. Special cleaning options are provided for oxygen service.
Temperature and Pressure Limits: The document details temperature limitations for unfilled and filled gauges, with recommendations for storage and ambient conditions. It also specifies pressure load limits for different case sizes and connection types.
Installation and Handling: Emphasizes careful handling to avoid mechanical shocks during transport and installation, providing guidelines for process connections and maximal pressure ratings.
Accessories and Options: Various accessories and options are available, including different connection types and mounting configurations, to meet specific application needs.
Materials and Construction: Wetted parts are primarily made of stainless steel (SS 316L), with cases constructed from stainless steel or thermoplastic. Windows are made of laminated safety glass.
Features and Options: Includes adjustable pointers for easy calibration, various mounting options, and special versions for oxygen measurement and high-pressure applications. Additional elements like fixed and min/max pointers, lubricant-free and silicon-free options, and helium leak tests are available.
Ordering Information: Provides detailed ordering codes for selecting the appropriate gauge based on series, mounting device, dial range units, case type, and process connection location, including options for certification and special compatibility requirements.
Specifications and Components: Outlines components and specifications for pressure gauges and related accessories, detailing materials like brass, stainless steel, and alloy steel, with specific DIN material numbers.
Over-Range Protector: Describes the function of the over-range protector, a piston valve designed to protect pressure gauges from pressure overloads.
Flame Arrester: Designed to prevent flame penetration in potentially explosive environments, ATEX approved, and compliant with DIN EN ISO 16852 standards.
Pressure Gauge Cocks and Valves: Used for connecting to pressure gauges, suitable for fluid, gaseous media, and steam within specified temperature ranges.
Ball Shock Absorber: Protects pressure instruments from re-impacts, made of stainless steel or brass, used in applications like material test machines and hydraulic devices.
General Recommendations: Advises contacting technical support for additional options and clarifications, noting specific availability and compatibility conditions for various components and configurations.
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Catalog excerpts

Pressure Gauges-1

HAM-LET INDUSTRIAL MECHANICAL PRESSURE GAUGES

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Pressure Gauges-2

HAM-LET INDUSTRIAL MECHANICAL PRESSURE GAUGES INDEX Selection Guide Industrial Mechanical Pressure Gauges Ordering Information Dial Range Ordering Codes Option Ordering Codes IMPH series IMPG series IMPS series IMPP series IMPL series Heavy Duty Page 7 Safety Pattern/Solid Front Page 15 Process Gauge Page 19 HAM-LET Pressure Gauges Process Connections BSP-P Thread PRESSURE GAUGES HAM-LET Tube Adapter HAM-LET Face Seal Male Swivel HAM-LET Face Seal Female Swivel

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Pressure Gauges-3

HAM-LET INDUSTRIAL MECHANICAL PRESSURE GAUGES HAM-LET PRESSURE GAUGES SELECTION GUIDE Safety Pattern / Solid Front Heavy Duty Liquid Fillable Solid Front Safety Glass Window Adjustable Pointer ± 1.6% EN 837 Class 1.6 (Class 2.5 for 0-600 & 0-1000 bar range) ± 1.6% EN 837 Class 1.6 (Class 2.5 for 0- & 0-1000 bar )range ± 1.6% EN 837 Class 1.6 (Class 2.5 for 0-600 & 0-1000 bar range) Measurement Range Case Size Vacuum: -25 - 0 mbar Pressure: 0 - 600 mbar

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Pressure Gauges-4

HAM-LET INDUSTRIAL MECHANICAL PRESSURE GAUGES INDUSTRIAL MECHANICAL PRESSURE GAUGES General Bourdon Tube Measuring Element Our Industrial Mechanical Pressure (IMP) Gauges are measuring devices constructed from high quality materials that adhere to strict quality standards. The IMP gauge guarantees long life with durability for indoor and outdoor industrial, process and instrumentation applications. The IMP product variety in the catalog covers standard gauges and extensive options are available. • Pressure, vacuum and compound measuring ranges. Coiled type PRESSURE GAUGES Pressure ranges of:...

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Pressure Gauges-5

HAM-LET INDUSTRIAL MECHANICAL PRESSURE GAUGES Scale Selection And Load Limits Special cleaning of wetted parts is available upon request The general recommendation for working measured pressure should be in the range of 25-65% for pulsating pressures and 2575% for steady pressures out of the maximal dial range. • Lubricant free • Silicon free • Cleaned for oxygen service Recommended working pressure range Testing & Calibration All IMP gauges are factory calibrated and bubble tested for leakage. Helium leak test is available. Selecting Pressure Gauge For Your Application Selecting the proper gauge...

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Pressure Gauges-6

HAM-LET INDUSTRIAL MECHANICAL PRESSURE GAUGES Process Connections Stainless steel process connections maximal pressure Maximal Pressure Size Type BSP-P FACE SEAL BSP-P HP Tube Adapter Temperature Limitations Temperature Limitations Storage Ambient Media Max. H,G,S Series Media Max. P,L Series Glycerin (86%) Low Temperature Filled Reference Temperature The measuring device is calibrated for working temperature of +68°F (+20°C). A 0.4% deviation in the measured pressure for each +18 °F (+10 °C) temperature change should be expected. PRESSURE GAUGES For extreme ambient or media temperatures, please...

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Pressure Gauges-7

HEAVY DUTY PRESSURE GAUGES

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HAM-LET IMP GAUGES H SERIES IMPH series Data Sheet General The mechanical H-Heavy Duty Pressure Gauge series is designed for industrial instrumentation and process applications that require durability and accuracy with easy maintenance for indoor, outdoor and harsh environments. The H series are bourdon tube mechanical devices. Case sizes 63, 100, 160mm ( 2½”, 4”, 6”) are suitable for vacuum with pressures up to 1,000 bar (15,000 psi). Features Stainless steel case and wetted parts Bayonet ring and adjustable pointer for easy adjustment Safety laminated glass front Case is filled or fillable...

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Pressure Gauges-9

HAM-LET INDUSTRIAL MECHANICAL PRESSURE GAUGES Technical Data Case Size Up to 6,000 psi (400 bar) EN 837-1 Class 1.6 ASME B40.1 Grade B EN 837-1 Class 1.0 ASME B40.1 Grade 1A EN 837-1 Class 1.0 ASME B40.1 Grade 1A EN 837-1 Class 2.5 ASME B40.1 Grade C EN 837-1 Class 1.0 ASME B40.1 Grade 1A EN 837-1 Class 1.0 ASME B40.1 Grade 1A Process connection position Case Configurations Mounting device (optional) 1/2”, 12mm tube adapter Process Connection 1/4”, face seal male/female swivel (3) Blow-out device at the top of the case Blow-Out Device Case Ventilation Weight Blow-out plug at the back of the case,...

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HAM-LET IMP GAUGES H SERIES Configuration And Mounting Dimensions Lower Mount Lower Back Mount B Center Back Mount Case Size Back Flange Mounting d2 Front Flange Mounting Case Size inch PRESSURE GAUGES

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Pressure Gauges-11

GENERAL USE PRESSURE GAUGES IMPG SERIES UCT FLUID SOLUTIONS

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HAM-LET IMP GAUGES G SERIES IMPG series Data Sheet General The Industrial G–General Use Pressure Gauge series guarantee long life and durability for indoor, outdoor and harsh surroundings in industrial, instrumentation and process applications. The G series pressure gauge is a bourdon tube mechanical device, case sizes 50, 63, 100, 160mm (2”, 2½”, 4”, 6”) suitable for vacuum in pressures up to 1,000 bar (15,000 psi). Stainless steel case and wetted parts Polished crimped-on ring for firm window sealing Safety laminated glass front Case is filled or fillable dry Case protection: IP 65 (IP 54 for...

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Pressure Gauges-13

Case Size EN 837-1 Class 1.6 ASME B40.1 Grade B EN 837-1 Class 1.6 ASME B40.1 Grade B EN 837-1 Class 1.0 ASME B40.1 Grade 1A EN 837-1 Class 1.0 ASME B40.1 Grade 1A EN 837-1 Class 2.5 ASME B40.1 Grade C EN 837-1 Class 2.5 ASME B40.1 Grade C EN 837-1 Class 1.0 ASME B40.1 Grade 1A EN 837-1 Class 1.0 ASME B40.1 Grade 1A Process connection position Case Configurations Mounting device (optional) + Process Connection Blow-Out Device 3/8”, 10mm tube adapter 1/4”, 6mm tube adapter 1/2”, BSP-P/NPT 1/4”, BSP-P/NPT 1/8”, BSP-P/NPT(7) M20x1.5 M12x1.5 1/4”, Face seal male/female swivel (5) Blow-out device...

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Pressure Gauges-14

HAM-LET IMP GAUGES G SERIES Configuration And Mounting Dimensions Lower Mount Lower Back Mount B1 Center Back Mount B1 Back Flange Mounting Front Flange Mounting d2 PRESSURE GAUGES

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Pressure Gauges-15

SAFETY PATTERN/SOLID FRONT PRESSURE GAUGES

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Pressure Gauges-16

HAM-LET IMP GAUGES S SERIES IMPS series Data Sheet General The Industrial S–Safety Pattern/Solid Front Pressure Gauge series is a heavy duty pressure gauge with a special case and a laminated safety glass window, allowing safer usage for the system user. The IMPS series offers long usability and durability for indoor, outdoor and harsh surroundings in the industrial instrumentation and process applications. The Safety Pattern/Solid Front case has a break-proof solid front (a firm partition between the pressure element and the window) and a pressure relief back (blow-out back). The S series is...

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