non-rising rubber seat gate valve, DN40-DN400, PN16, square nut

Experienced china manufacture of buried non-rising resilient seated gate valves: ductile iron

Maximum working pressure: 1.6mpa/232psi

Design standards: GB/API/DIN/ EN

Size and reference FOB price 
Size
DN40DN50DN/65DN80DN100DN125
1½″2″2½″3″4″5″
Price5
SizeDN150DN200DN250DN300DN350DN400
6″8″10″12″14″16″
Price

Hot tags: water gate valve, square nut, flanged gate valve, rubber gate valves, resilient seat gate valves, ductile iron, chinese supplier, best price

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Resilient seat gate valve has the characteristics of sensitivity, reliability and easy installation. It can be widely used in tap water, hot water, sewage, construction, petroleum, chemical industry, food, medicine, textile, electric power, ship, metallurgy, energy system and other fluid pipelines as regulation and interception device. The elastic seat gate valve is also called the lifting rod gate valve. Usually, there are trapezoidal threads on the lift rod. Through the nut at the top of the valve and the guide groove on the valve body, the rotary motion is changed into a linear motion, that is, the operating torque is changed into an operating thrust. When the lift height of the gate is equal to 1:1 times the diameter of the valve, the fluid channel is completely unobstructed, but this position cannot be monitored during operation.

Quick detail

Product nameburied non-rising resilent seat gate valve
Model no.SZ45X-16
Main materialductile iron
Mediumwater, oil, gas, etc.
Connection typeflange
Working temperature range(TS)medium temperature
Maximum working pressure(PS)232psi, 1.6MPa
Operatinghandwheel
Model sizeDN40- DN400, 1½″-16″
Placed of origin China
Customized supportOEM, ODM with all standards
StandardGB/ API/ DIN/ EN
Supply ability100 000 pieces/ month

product features

  • Flat-bottom valve seat: Traditional stainless steel gate valves often accumulate in the groove of the bottom of the valve due to foreign objects such as stones, wood blocks, cement, paper scraps, sundries, etc. after the pipe is washed with water, which is easy to cause the phenomenon of water leakage that cannot be closed tightly. The bottom adopts the same flat bottom design as the water pipe, which is not easy to cause debris to accumulate, so that the fluid is unobstructed.
  • Overall encapsulation: The valve adopts high-quality rubber for overall inner and outer rubber treatment. The rubber vulcanization technology enables the vulcanized valve to ensure accurate geometric dimensions, and makes the rubber and ductile iron valve adhere firmly, not easily fall off and have good elastic memory.
  • Corrosion resistance: The valve body is coated with powder epoxy resin to prevent corrosion and rust of the valve body.
  • 3 “O” type design: Because the valve stem adopts the design of three “O”-ring sealing rings, it can reduce the friction resistance and water leakage when the valve is switched on and off, and the sealing ring can be replaced without stopping the water.
  • harmless to health: Since the inside of the valve body is coated with non-toxic epoxy resin, the inner and outer surfaces of the gate valve are completely covered with rubber without rusting water or corrosion, which can be used for drinking.

Installation and Maintenance

The resilient seated direct buried gate valve overcomes the common defects of common gate valves such as water seepage, rust, elastic fatigue, etc., and uses the elastic gate to compensate for slight deformation to achieve a good sealing effect. During installation and use, you should pay attention to:

  1. Before installation, please carefully check the various standards of the non-rising stem gate valve, whether the diameter meets the requirements for use; pay attention to avoid bumping during the transportation of the valve. Before installing the non-rising stem gate valve, remove the dirt in the valve body.
  2. During installation, the non-rising stem gate valve can be directly installed on the pipeline according to the connection method and installed according to the position used. In general, it can be installed in any position of the pipeline, but it should also be installed in an appropriate position for future operation and maintenance. When installing the non-rising stem gate valve, attention should be paid to the tightness to prevent leakage from affecting the normal operation of the pipeline.
  3. The concealed stem gate valve should always be kept clean during use, and the transmission thread must be lubricated regularly.
  4. Do not use levers or other tools to avoid damage to the valve parts when using handwheels for this gate valve. Turn the handwheel clockwise to close, and vice versa to open.
  5. Regular inspections should be carried out for a long time. The processing surface that is often exposed should be kept clean, the dirt should be removed, and it should be neatly stored in a ventilated and dry indoor place. It is strictly forbidden to store it in the open air.

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