Product description:
As an upgraded alternative to traditional gate valves, the
soft-seal gate valve achieves excellent sealing performance
through the compensation mechanism of micro-deformation of the
elastic gate. Its remarkable advantages include:
light and flexible switching, strong sealing reliability, excellent
elastic memory function, and long service life. This valve
is widely suitable for fluid pipeline systems such as tap water,
sewage, construction, food, electricity, medicine, metallurgy,
and light textile, and can be used as an efficient regulating and
opening/closing device.
The gate plate of a gate valve is equipped with two sealing
surfaces, commonly in a wedge-shaped structure, with the
wedge angle determined by valve parameters. Wedge-type gate plates
are divided into integral rigid gate plates and
slightly deformable elastic gate plates. The latter can optimize
processing and compensate for angle deviations in the
sealing surfaces. As a replacement for traditional gate valves,
soft-seal gate valves achieve efficient sealing through the
micro-deformation of elastic gate plates. They offer advantages
such as lightweight opening/closing, reliable sealing, and
long service life, making them widely applicable to various fluid
pipelines. In rising stem gate valves, the stem moves
vertically with the opening and closing of the valve, as the drive
system converts rotational motion into linear motion.
When closed, the gate plate seals with the valve seat to cut off
fluid flow; when opened, it allows unobstructed passage.
These valves use metal-to-metal sealing, suitable for on/off and
throttling operations. With a simple structure for easy
maintenance, the rising stem design facilitates visual inspection
of the valve's status, ensuring broad applications across
multiple industries.
Product specification parameters:
Diameter nominal DN (mm) | 40～600 |
Pressure nominal PN (MPa) | 1.0～2.5 |
Test standard | Strength test (MPa) | 1.5 times of pressure nominal |
Sealing test (MPa) | 1.1 times of pressure nominal |
Main Components | Body | Ductile iron |
Bonnet | Ductile iron |
Stem | 2Cr13 |
O type ring | NBR |
Seal | NBR |
Gland | Ductile iron |
Disc | Ductile iron wrapped by NBR |
Medium suitable | Water |
Working temperature | 0℃～80℃ |
Connection type | Flange |
Product Features:
1. High-quality rubber is used for the internal and external
encapsulation of the valve, with a firm
connection that is not easy to fall off.
2. Three "O"-shaped seals are designed on the valve stem to reduce
friction
resistance and significantly minimize water leakage.
3. Corrosion-resistant.
