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Parker Hannifin Corporation • Refrigerating Specialties Division
2445 South 25th Avenue • Broadview, IL 60155-3891
Telephone: (708) 681-6300 • Fax (708) 681-6306
VALVE À FPT FLANGES WELDING FLANGES Ã FLANGES
SIZE Nominal Sock Weld Weld Neck Flange Package Tubing Fitting
Nom. Flange Pipe Size Socket I.D. Neck O.D. Number(2/Pkg) O.D. I.D. Flge Pkg.
Pipe Size Pkg. No.
Á Socket Weld  No. (2/Pkg)
mm Inches Inches (2/Pkg) Inches NW No. Inches mm Inches mm Weld Neck Inches mm Inches mm
20 3/4 3/4 200016 3/4 20 1.070 27.81 1.050 26.67 200020 200023 1-1/8 28.57 1.130 28.70 200027
and and 1 200017 1 25 1.365 34.67 1.315 33.40 200021 200024 1-3/8 34.92 1.380 33.05 200028
25 1 1-1/4 200018 1-1/4 32 1.705 43.31 1.660 42.16 200022 200025 1-5/8 41.27 1.631 41.43 200029
1-1/4 200030 1-1/4 32 1.705 43.31 1.660 42.16 200032 200034 1-3/8 34.92 1.380 35.05 200036
32 1-1/4 1-1/2 200031 1-1/2 40 1.930 49.02 1.900 48.26 200033 200035 1-5/8 41.27 1.631 41.43 200037
2-1/8 53.97 2.131 54.13 200038
40 1-5/8 1-1/2 200039 1-1/2 40 1.930 49.02 1.900 48.26 200041 200043 1-5/8 41.27 1.631 41.43 200045
and and 2 200040 2 50 2.445 62.10 2.375 60.33 200042 200044 2-1/8 53.97 2.131 54.13 200046
50 2 2-5/8 66.67 2.631 66.83 200047
65
2-1/2 2-1/2 200048 2-1/2 65 2.945 — 2.875 73.03 200049 200050 2-5/8 66.67 2.631 66.83 200051
3-1/8 79.37 3.131 79.53 200052
75
3 3 200053 3 80 3.575 90.81 3.500 88.90 200054 200055 3-1/8 79.37 3.131 79.53 200056
3-5/8 92.07 3.631 92.23 200057
100 4 4 200062 4 100 4.575 116.20 4.500 114.30 200063 200064 4-1/8 104.77 4.132 104.95 200065
À FPT: Internal NPT (USA Standard Taper Pipe Thread).
Á NW: Metric equivalent nominal size for steel tubing.
 Metric copper tubing used for refrigeration.
à ODS connections to fit copper tubing of given outside
d
iameter. (Not for use with ammonia)
Definitions:
ODS - Outside Diameter Sweat
I.D. - Inside Diameter
O.D. - Outside Diameter
N.A. - Not Available
Flange Bolt Torque Requirements
Bolt Diameter Valve Port Size Torque
11mm (7/16") 13mm (1/2 ") 3.9 mkg (28 ft lb)
16mm (5/8") 20-50mm (3/4 "- 2") 11.8 mkg (85 ft lb)
19mm (3/4") 65-75mm (2-1/2 "- 3") 14.5 mkg (105 ft lb)
22mm (7/8") 100mm (4") 22.1 mkg (150 ft lb)
Safe Operation (See also Bulletin RSBCV)
People doing any work on a refrigeration system must be qualified
and completely familiar with the system and the Refrigerating
Specialties Division valves involved, or all other precautions will be
meaningless. This includes reading and understanding pertinent
Refrigerating Specialties Division product Bulletins, and Safety Bulletin
RSB prior to installation or servicing work.
Where cold refrigerant liquid lines are used, it is necessary that certain
precautions be taken to avoid damage which could result from liquid
expansion. Temperature increase in a piping section full of solid liquid
will cause high pressure due to the expanding liquid which can possibly
rupture a gasket, pipe or valve. All hand valves isolating such sections
should be marked, warning against accidental closing, and must not
be closed until the liquid is removed. Check valves must never be
installed upstream of solenoid valves, or regulators with electric shutoff,
nor should hand valves upstream of solenoid valves or downstream
of check valves be closed until the liquid has been removed. It is
advisable to properly install relief devices in any section where liquid
expansion could take place.
Avoid all piping or control arrangements which might produce thermal
or pressure shock.
For the protection of people and products, all refrigerant must be
removed from the section to be worked on before a valve, strainer, or
other device is opened or removed.
Flanges with ODS connections are not suitable for ammonia service.
Warranty
All Refrigerating Specialties Products are warranted against defect in
workmanship and materials for a period of one year from date of
shipment from factory. This warranty is in force only when products
are properly installed, field assembled, maintained and operated in
use and service as specifically stated in Refrigerating Specialties
Catalogs or Bulletins for normal refrigeration applications, unless
otherwise approved in writing by Refrigerating Specialties Division.
Defective products, or parts thereof, returned to the factory with
transportation charges prepaid and found to be defective by factory
inspection will be replaced or repaired at Refrigerating Specialties’
option, free of charge, F.O.B. factory. Warranty does not cover products
which have been altered or repaired in the field; damaged in transit,
or have suffered accidents, misuse, or abuse. Products disabled by
dirt, or other foreign substances will not be considered defective.
THE EXPRESS WARRANTY SET FORTH ABOVE CONSTITUTES
THE ONLY WARRANTY APPLICABLE TO REFRIGERATING
SPECIALTIES PRODUCTS, AND IS IN LIEU OF ALL OTHER
WARRANTIES, EXPRESSED OR IMPLIED, WRITTEN OR ORAL,
INCLUDING ANY WARRANTY OR MERCHANTABILITY, OR
FITNESS FOR A PARTICULAR PURPOSE. No employee, agent,
dealer or other person is authorized to give any warranties on behalf
of Refrigerating Specialties, nor to assume, for Refrigerating
Specialties, any other liability in connection with any of its products.
FLANGES
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