1. Gate valve is usually applied to open - close the occasion, can not be used for throttling applications. 2. Gate valve is usually installed in the horizontal pipe, stem vertical upward. It can also be mounted on a vertical pipe or a horizontal pipe with a stem that is not vertically upright, but depending on the size of the valve, the application environment and the specific material conditions, special constructions may be required. If the valve to be purchased is intended for a special installation, the orientation of the valve should be stated when ordering. 3. For applications where the temperature exceeds 260 ° C, a flexible or split wedge gate is recommended to prevent the wedge gate from becoming stuck due to thermal expansion. This can happen when the valve is cold and then warm. 4. For use in high-speed fluid (turbulent flow) or thermal cycling applications, the threaded seat ring should be keyed to the valve body to avoid loosening. Please specify when ordering. 5. After closing the gate valve, the stem should be slightly rotated (1/8 to 1/4 turn) to release the stem load. This allows the valve stem to expand slightly without clogging or damaging the valve and without affecting the closing effect. 6. If the seat ring mounting lugs are removed, the highly integral shut-off valve can be used in hot water outlets or in ducted systems with soft iron. Please specify when ordering. 7. The pump station is not subject to site restrictions, more debris in the water, easy to plug the important position of the valve, flashlight dual gate valve can be used; the other can be used butterfly valve, especially in the pumping station renovation project can be used in the butterfly valve in order to effectively use The original pump room space, to achieve the same premise in the original pump room to increase (row) water purposes.
Brass knurled insert Made of brass material, good thermal conductivity and heat resistance.
Widely Used On the Molding for Tightly Fixing.
Can be installed by ultrasonic or heat into thread tapered hole, or molded in during injection
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