MS17243E
TABLE I. Valve dimensions. 1/ 2/
Dash number |
Size inlet NPT |
Size outlet |
A max (mm) |
B max (mm) |
|
OD flare |
OD solder |
||||
-1 |
1/4 |
1/4 |
- |
3.625 (92.08) |
1.625 (41.28) |
-2 |
3/8 |
3/8 |
- |
4.000 (101.60) |
2.000 (50.80) |
-3 |
3/8 |
1/2 |
- |
4.2509 (107.98) |
2.000 (50.80) |
-4 |
1/2 |
1/2 |
- |
4.500 (114.30) |
2.250 (57.15) |
-5 |
1/2 |
5/8 |
- |
5.000 (127.00) |
2.500 (63.50) |
-6 |
3/4 |
- |
7/8 |
6.000 (152.40) |
2.750 (69.85) |
-7 |
1/2 |
3/8 |
- |
4.500 (114.30) |
2.250 (57.15) |
1/ Dimensions are in inches.
2/ Metrics are given for general information only.
REQUIREMENTS
Intended use. Valves covered in this specification are intended for use in a refrigerating system as a means of shutting off the system's charge of refrigerant and containing it in the liquid receiver or condenser receiver.
Materials. Valve body and seal cap - brass or steel.
Finish - brass - none, steel - zinc plated. Ring gasket - soft copper.
Valve stem (including integral plug) - commercial bronze or steel treated to resist corrosion.
Operating conditions. Maximum operating pressure: 350 psig (2.41MPa).
Maximum operating temperature: 200°F (93.3°C).
Connection ends. Inlet - Male pipe thread in accordance with SAE-J513.
Outlet (all except -6) - Flare tube male thread in accordance with SAE-J513.
Outlet (-6 only) - Solder tube female socket in accordance with ASME B16.22 for OD
tube size 7/8 inch.
Type. Angle, packed, back-seating or non-back-seating key-operated plug element, with gasketed seal cap, valve stem shank to be 3/16, 1/4, or 5/16 inch square shape.
Identification of product. The PIN for the valve consists of the MS number plus the dash number.
Example: MS17243-1-B.
Material, finish (see table II) Size (see table I)
Drawing number
Standard product. Valves delivered under this specification shall be the manufacturer's standard commercial catalog product, except for any modifications and additional requirements specified herein.
Design and construction. The valves shall be of the angle, packed, back-seating, or nonbackseating type with a gasketed seal cap. A wrench grip shall be provided on each valve. Threads and the seating surface of the flare connection shall be protected with plastic caps or by other means to prevent damage during handling.
2
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