SPECIFICATIONS FOR Manufacture Supplier Brass Gate Valves:
| Item |
Brass gate valve |
| Model Number |
GATE-010-10 |
| Material |
Brass/Copper/CW617N/CW614N/CW612N/C36000 |
| Size |
1/4''-4'' |
| Handle |
Iron/SS201/SS304 plate (blue and red) |
| Working pressure |
PN1.0-32.0 |
| Packing |
Standars export package or Customized |
| Payment |
TT,L/C,D/P,Western Union |
| Insurance |
Cathay Insurance |
| Customized |
All customized services are welcome |
| Payment Terms |
30% prepaid; 70% balance payment after finish the production before delivery
|
| QC system |
100% inspection before shipment |
Descriptions(GATE-010-10):
Body Material: Brass
Ball: brass chrome plated
Packing: PTFE
Stem and gland: brass
Handle: Iron handwheel
Gland nut: brass
Medium: water
Temperature: -10ºC-110ºC
Thread: Female*Female
Handle: Iron/SS201/SS304 plate (blue and red)
Working pressure: Up to PN 32.0
Gate valves: 200 WOG full port, reduced port.
Thread: PT. PF. NPT. G. BSP. NPS . BSPT
Gate Valve Structure:
A
gate valve, also known as a
sluice valve, is a valve which opens by lifting a round or rectangular
gate/wedge out of the path of the fluid. The distinct feature of a gate valve is the sealing surfaces
between the gate and seats are planar, so gate valves are often used when a straight-line flow of fluid
and minimum restriction is desired. The gate faces can be parallel, but are most commonly wedge-shaped.
Gate valves are primarily used to permit or prevent the flow of liquids, but typical gate valves shouldn't be
used for regulating flow, unless they are specifically designed for that purpose.
Because of their ability to cut through liquids, gate valves are often used in the petroleum industry.
For extremely thick fluids,a specialty valve often known as a
knife gate valve is used to cut through the
liquid.On opening the gate valve, the flow path is enlarged in a highly nonlinear manner with respect to
percent of opening.This means that flow rate does not change evenly with stem travel. Also, a partially
open gate tends to vibrate from the fluid flow. Most of the flow change occurs near shutoff with a relatively
high fluid velocitycausing gate and seat wear and eventual leakage if used to regulate flow. Typical gate
valves are designed to be fully opened or closed.When fully open, the typical gate valve has no obstruction
in the flow path, resulting in very low friction loss.
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