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Standard flanged
bodies up to 150 lbs. per square inch steam, air or water pressure.
Extra Heavy flanged bodies up to 250 lbs. per square inch.
Reduced or service pressures for this design
can range from a maximum of 125 lbs. per square inch down to 5 to
10 lbs. per quare inch depending on the pipe size and inital pressures
involved. Factory recommendations must be secured before placing
orders for this type of regulator.
Types of Regulator: Design
is normally opened, single seated, direct acting, diaphragm operated,
spring loaded type valve.
Service Recommendation: The No. 390
Regulating Valve is used primarily for steam, air or water service
when dead end regulation is required. It is applicable to laundry
equipment, cookers, hot water heaters and similar applications.
Construction Features: The No. 390
Regulator is furnished with a semi-steel body and diaphragm chamber.
Dual compression springs give a wide range of reduced pressures,
and execeptionally close control when accurate regulation is required.
When used for water or air service a composition
rubber disc is furnished.
Installation: The No. 390 Valve may
be installed in either horizontal or vertical positions with the
diaphragm facing up or down as desired.
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Figure
390
Weights - Dimensions
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Size
PS
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B
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C
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125 Lb. Std.
A
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250 Lb. Std.
A
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2
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22 1/4
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4 1/4
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9 3/4
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10 1/4
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2 1/2
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22 7/8
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4 3/8
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10 1/2
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11 1/8
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3
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23 1/8
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4 3/4
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11 3/8
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12 1/16
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3 1/2
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23 1/8
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4 3/4
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11 3/8
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12 1/16
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4
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25 3/8
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5 1/2
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12 15/16
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13 11/16
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5
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32
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6
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14 5/8
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15 3/8
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6
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32 1/2
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6 1/2
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16 1/2
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17 1/2
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All Dimensions are in inches
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