Stainless Steel Gate Valve (Th-gtv)
Product Overview
Key Features
A gate valve is a gate plate of an opening and closing part. The movement direction of the gate plate is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled. The gate valve is sealed by the contact of the valve seat and the gate plate. Usually, the sealing surface will be welded with metal materials to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate has a rigid gate and an elastic gate. According to the different gate plates, the gate valve is divided into a rigid gate valve and an elastic gate valve.
Area of application
Marine industry, Water supply & drainage, fire fighting, shipbuilding, water treatment, power stations, energy, food, chemical, and other systems
Data sheet of gate valve:
TYPE:Wafer, double flange
SIZE & CONNECTIONS:Resilient seated: DN50 to D600
Metal seated: DN50 to DN1200
MEDIUM:Waste water, Water, Seawater, Air, Inert Gas, Oil.
MATERIALS:Cast Iron / Ductile Iron/ Carbon Steel / Stainless
Steel / Alu Bronze
PRESSURE RATING:PN10, PN16, PN25
TEMPERATURE:-30A C to 200A C
SEAT/LINING:Replaceable Liner / Bonded Liner
NBR/EPDM/VITON; SS/BRONZE
CERTIFICATES & APPROVALS:DNV-GL, Lloyds, DNV, ABS, BV Type Approval
3.1 & 3.2 Cert (on request)
Standards
Design and Manufacture Conform to AWWA, BS5163, DIN-F4,F5
Dimensions Conform to EN1092-2,ANSI B16.5
Face to Face dimensions Conform to EN558-1, API 594, DIN3202
Testing Conform to EN12266-1, API598
Material of gate valve Parts
PART NAMEMaterial
BODYCast Iron; Ductile Iron; Stainless Steel; Carbon steel
DISC / FLAPStainless Steel; Carbon steel; Bronze
SHAFT / STEMBrass, Stainless Steel Monel; Stainless Steel Inconel
SEAT / LININGNBR/EPDM/VITON
SS/BRONZE
BOLTSCarbon steel
NUTSStainless steel
GASKET/PACKINGGraphite
NAME PLATEAluminum
WASHERSteel
HANDWHEELCast Iron
BUSHING/RINGCast Brass
Actuation
Worm-gear/hand-wheel
Electric-actuator
Pneumatic-actuator
Hydraulic-actuator
Gate valve features
Advantages:
Low flow resistance.
Less effort when opening and closing.
Large height and long opening and closing time.
Water hammer phenomenon is not easy to produce. The reason is the long shutdown time.
The medium can flow in any direction on both sides, easy to install.
The structure length is small.
The shape is simple, the structure length is short, the manufacturing process is good, and the application range is wide.
The structure is compact, the valve has good rigidity, the channel is smooth, the flow resistance is small, the sealing surface is made of stainless steel and hard alloy, and the service life is long. The use of PTFE packing is reliable and easy to operate.
Disadvantages
The overall dimensions and opening height are large. The space required for installation is large.
During the opening and closing process, there is relative friction between the sealing surfaces, which can easily cause scratches.
Gate valves generally have two sealing surfaces, adding some difficulties to processing, grinding and maintenance.
Related types of valves:
We can also produce check valve, globe valve, knife gate valve and ball valve with API, JIS, DIN standard, used in Oil, Gas, Marine industry, Water supply and drainage, fire fighting, shipbuilding, water treatment and other systems, with Nominal Diameter of DN50 to DN1200, NBR/EPDM/VITON, Certificates & Approvals: DNV-GL, Lloyds, DNV, BV, API, ABS, CCS. Standards: EN 593, API609, API6D,
More video of gate valve, please see: https://www.youtube.com/watch?v=AI-LT1dy2sU
Company Details
Business Type
Exporter, Manufacturer, Supplier
Employee Count
100
Establishment
2006
Working Days
Monday To Sunday
Certification
ISO9001
Seller Details
Tianjin Tanghai Valve Manufacturing Co., Ltd
Name
Mr Harry Li
AddressView on Map
No. 3, Chemical Road, Zhaishang Street, Binhai New District, Tianjin, Tianjin, 300457, China
Report incorrect details
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