Description
SIZE RANGE:
from 1/2" to **0" and over    Â
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RATING CLASS:
from ANSI **0 to ANSI ***0 and over  Â
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CHARACTERISTICS GUARANTEED FOR STANDARD JOINTS
MAX OPERATING PRESSURE: equal to the Nominal Pressure (PN/ANSI
rating)
TEST PRESSURE:
1.5 times the Design Pressure
OPERATING TEMPERATURE:
**9℃to **0℃ for normal temperatures (high temperature
design on request)
ELECRTICAL TESTS
IN DRY AIR AT *5℃:
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Fillet welded
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DIELECTRIC STRENGTH TEST: Â Â up to *0.**0 V at *0
Hz a.c. for 1 min.
ELECTRICAL RESISTANCE TEST: Â greater than **0 Mohm -
***0 V d.c.
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MATERIALS USED
FERROUS MATERIALS: Â Â
Carbon steel in its various grades
Austenitic steel(stainless, duplex)
Incoloy cladding
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NON FERROUS MATERIALS:
Stratified epoxy resin and  glass fiber Class ASTM D**9
G**-G*1
Sealing U-type suitable to meet the required working
temperatures and the fluid conveyed
Filling epoxy resin     Â
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Epoxy resin for internal lining / external coating (special
coatings/linings as per client\'s requirements)
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OTHER TESTS CAN BE CARRIED OUT ON REQUEST
Helium leakage Tests
Hydro-thermo-bending Tests
Torsional Tests
Hydraulic Fatigue Test
Electrolithic Immersion Test
Tests on coating and lining
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DESIGNÂ
Design calculations accorging to ASME VIII Div. 1 App. 2
WPS, PQR and WPQ according to ASME IX
Finite element analysis (on request)
