| Customization: | Available |
|---|---|
| Media: | Gas |
| Temperature: | Ordinary Temperature |
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The body and bonnet of Clas150 ~ Class900 gate valves are usually connected with studs and nuts. And The body and bonnet of Class 1500 ~ Class2500 gate valves are usually of pressurized seal design.
Hand wheel or gear box is usually used for gate valve actuation. Chain wheel and electric actuator can be also used for gate valve actuation if being requested by the customers.
All our gate valves have the back seating design. In most cases, the carbon steel gate valve is fitted with a renewable back seat. For stainless steel gate valve, the back seat is machined directly in the bonnet or is machined after welding. When the gate valve is at fully open position, the sealing of the back seat can be very reliable. However, as per the requirement of API 600, it is not advisable to add or change packing by the mean of back seating when the valve is res sure containing.
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