Gear Operated Globe Valve

1.Specification

Size:	2"-24"
Pressure:	150LB-2500LB
Body Material:	WCB, WC6, WC9, CF8, CF8M, CF3, CF3M, CN7M, LC1, LC2, LC3, LCB, LCC, Monel, 20# Alloys, 4A, 5A, C95800, C95500, A105, F304, F304L, F316, F316L, LF1, LF2, LF3, LF9, F51, F53, F11, F22, etc.
Seal Material:	STELLITE, 13Cr, SS304, SS316, etc.
Connection Type:	Flanged, Butt Welded, Socket Welded, NPT
Operation:	Gear operated
Face to Face Dimension:	ASME B16.10
Flange End Dimension:	ASME B16.5
Butt Welded Dimension:	ASME B16.25
Design and Manufacture:	BS1873,API623
Test Standard:	API 598,API 6FA, ISO 15848-1-2

2.Features

Gearbox is equipped with globe valve in order to open quickly and easily.

Generally flow from top to bottom due to big torque

Easily open and close, large size globe valves are with gearbox

Lifting ring for large size gear operated globe valves

Simple structure, easy to manufacture and maintain

Different materials are selected and can be used for water, steam, oil, nitric acid, acetic acid, oxidising media, urea, and many other media respectively.

Good sealing performance, low friction between sealing surfaces, long service life

3.FAQ

Are all shutoff valves globe valves

No, not all shutoff valves are globe valves. Shutoff valves are a broad category of valves used to control the flow of fluids in a pipeline. Globe valves are a specific type of shutoff valve that uses a disc to regulate the flow, api602 forged gate valve. There are also other types of shutoff valves, such as ball valves, gate valves, and butterfly valves, each with their own design and function. The choice of valve depends on the specific application and requirements. api 6d ball valve

Do globe valves restrict flow hot water

Yes, globe valves can restrict the flow of hot water, low temperature ball valves. Globe valves have a disc that moves up and down to regulate the flow of fluid. When the disc is fully open, it allows maximum flow. However, when the disc is partially closed, it creates a restriction in the flow, which can reduce the flow rate of hot water. This restriction can be useful in applications where flow control is required, such as adjusting the temperature or pressure of hot water in a system. forged ball valve

How to caculate the globe valve system curve

To calculate the globe valve system curve, you need to follow these steps:

1. Determine the flow rate: Measure the flow rate of the fluid in the pipeline. This can be done using a flow meter or by calculating the flow rate based on the pipe size and pressure. carbon steel gate valves

2. Determine the pressure drop: Calculate the pressure drop across the globe valve using the valve's flow coefficient (Cv) and the flow rate. The Cv is a measure of the valve's ability to pass fluid and is typically provided by the valve manufacturer.

3. Determine the head loss: Calculate the head loss due to friction in the pipeline using the Darcy-Weisbach equation or another appropriate method. high temperature gate valves

4. Plot the system curve: Plot the pressure drop and head loss on a graph to create the system curve. The system curve represents the relationship between flow rate and pressure drop for the entire system, including the globe valve.

5. Determine the operating point: The operating point is the intersection of the system curve and the pump curve. The pump curve represents the performance of the pump in the system. The operating point determines the flow rate and pressure drop through the system, including the globe valve.

It is important to note that the calculation of the globe valve system curve can be complex and may require specialized software or the assistance of a qualified engineer.