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  • Pressure
    Model IB
    Model IB
    Pressure Gauge with Copper Alloy parts Model IB is a durable pressure gauge with Copper Alloy Bourdon Tube and socket ; and a Stainless Steel Casing. These gauges are built in compliance with EN 837-1. Liquid filled cases provide stable easy to view readings.
    Model IS
    Model IS
    Industry standard Pressure Gauges with Stainless Steel Bourdon Tube, Socket and Case. Built in accordance with EN 837-1, the gauges offer accuracy of Class 1.0 with options of Glycerine / Silicone Oil filling.
  • Level
    Float Level Switch
    Float Level Switch
    The simplest form of a Level Switch, these units are most commonly used in applications varying from the smallest dosing tanks to giant vessels . Their rigid Polypropylene construction provides excellent prevention from corrosion.
    Magnetic level gauge
    Magnetic level gauge
    Magnetic Level Gauges have been a choice method of Level measurement for End Users across the world. The inherent design of the device offers options for level measurement in high pressure, extreme temperature and corrosive environments.
    External chambers
    External chambers
    External chambers for Radar Level Transmitters, Displacer Level Transmitters and Level Switches. Built as per ASME B31.3 and B31.1 in various materials - Carbon Steel, SS316L, Hastelloy C, Duplex and Inconel.
  • Temperature
    Thermowells Bar Stock Screwed
    Thermowells Bar Stock Screwed
    These Thermowells are manufactured from solid bar stock and installed into the process with the help of threaded process connection.
    Flanged Thermowell
    Flanged Thermowell
    These thermowells are manufactured from solid bar stock pieces and welded in between as per the longer length requirement and installed into the pro-cess by using a bolted flanged connection.
  • Accessories
    Two Valve Manifolds
    Two Valve Manifolds
    With threaded inlet and outlets, 2 Valve Manifolds have been the indus-try choice for ‘Isolation and bleed’ for various kinds of Pressure Gauges and Transmitters.
    Flushing Rings
    Flushing Rings
    Flushing Rings are installed between Diaphragm Seals and process connections. Being a wetted and pressure exposed part, selection of the material of construction is extremely critical.
  • Blog
    Uncategorized
    Stud Bolts Dimensions for RF-RTJ flanges ASME B16.5 Class 2500
    Nuts and Bolts
    Stud Bolts Dimensions for RF-RTJ flanges ASME B16.5 Class 1500
    Nuts and Bolts
    Stud Bolts Dimensions for RF-RTJ flanges ASME B16.5 Class 600
    Nuts and Bolts
    Stud Bolts Dimensions for RF-RTJ flanges ASME B16.5 Class 300
    Nuts and Bolts
    Stud Bolts Dimensions for RF-RTJ flanges ASME B16.5 Class 150
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Stud Bolts Dimensions for RF-RTJ flanges ASME B16.5 Class 2500

Uncategorized / By
NPS DIA
bolts (in)		 Length
RF		 Length
RTJ		 Number
of bolts
1/2 3/4 120 120 4
3/4 3/4 125 125 4
1 7/8 140 140 4
1¼ 1 150 150 4
1½ 1.1/8 170 170 4
2 1 180 180 8
2½ 1.1/8 195 205 8
3 1¼ 220 230 8
4 1½ 255 260 8
5 1¾ 300 310 8
6 2 345 355 8
8 2 380 395 12
10 2½ 490 510 12
12 2¾ 540 560 12

General notes:

  • Dimensions are in millimeters unless otherwise indicated.
  • Length dimensional tolerances for all Stud Bolts:
    length to 12 inch tolerance = ± 1.6 mm
    length over 12 inch to 18 inch tolerance = ± 3.2 mm
    length over 18 inch tolerance = ± 6.4 mm
  • The length of the Stud Bolt does not include the height of the chamfers (points).