Asia, the Middle East, Europe, North and South America,
in the field of industrial valves such as Africa
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The globe valve is used where throttling alone or both throttling and shutoff is needed. It may also be used for on-off service, but because of high pressure drop, such application is limited to the cases that the valve is normally closed and the pressure drop is of no importance in valve open condition. PK cast steel globe valve is regularly made in outside screw and yoke design with full-way type disc.
BODY AND BONNET
The body has a spherical form with large radius, which permits the stress, turbulence and resistance to flow to be kept minimum. The bonnets on valve are equipped with back seat rings.
Body-bonnet joint of globe valve is machined as follows: All .............................. Male and female. We can supply any kinds of gasket as required by customer.
The valve is normally supplied with plug type disc.
The valve is normally supplied with bottom seated type on 8" or larger valve, and the disc has bottom guide type seat rings.
All stem have the turning and rising cut ACME threads.
The yoke nuts on globe valve are threaded and mounted to the bonnet, where it is secured with tack welding.
The packing size is designed to secure maximum tightness along the stem, and the standard packing is a non-asbestos type. We can supply any kinds of packing as required by customer.
The gland is made of two pieces. Packing gland is in contact with the packing which is connected to gland flange through a spherical joint. Particular design permits a correct pressure on the packing without any damage to stem due to friction or corrosion.
The stuffing box gives maximum packing stem seal. Lantern ring and grease injector shall be furnished only if specified on the purchase order.
Hand wheels are designed for easy operation. They are provided with hammer blow type of 8" and over for Class 150 valve, 6" and over for Class 300 and, 4" and over for Class 600, and 2.5" and over for Class 900 & 1500. With gearing, motor actuator or cylinder actuator, they are also available for more difficult services.
※This policy is effective October 1, 2022.
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