Gate Valve Flange Type
Product Overview
Our Gate Valve Flange Type is engineered for heavy-duty water distribution and industrial fluid control. Constructed with a high-strength ductile iron body and a fully EPDM-coated wedge, it delivers reliable bi-directional sealing, smooth operation, and an extended service life under high-cycle conditions.
Manufactured and hydrostatically tested according to international fluid control standards, ensuring compliance and seamless connection for global engineering networks.
Product Parameter
|
Item |
Details |
|
Product Name |
Flanged Rising Stem Gate Valve/Flanged OS＆Y Gate Valve |
|
Connection |
Flange End |
|
Body Material |
Ductile Iron |
|
Standard |
ANSI/GB/BS |
|
Size |
2",2.5",3",4",5",6",8",10"12" |
|
Working Pressure |
1.6 MPa |
|
Color |
Red/Blue |
|
Working Temperature |
0℃ to 80℃(32℉ to 176℉) |
|
Surface Finishing |
Epoxy Paint Coating |
|
Application Medium |
Water |
Product Material
|
Part |
Material |
|
|
Standard |
Optional |
|
|
Body |
Ductile Iron QT450-10 |
|
|
Stem |
2CR13 Stainless Steel |
201 Stainless Steel |
|
Bonnet |
Ductile Iron QT450-10 |
|
|
Handwheel |
Ductile Iron QT450-10 |
|
|
Disc |
Ductile Iron QT450-10,Covered By EPDM |
|
|
Nut |
Ductile Iron |
Stainless Steel |
|
Bolt |
Ductile Iron |
Stainless Steel |
|
O-Ring |
NBR |
EPDM |
Core Advantages
External stem threads allow routine lubrication without valve dismantling, minimizing pipeline downtime.
Modular gland design enables quick, safe stem packing replacement simply by loosening the bolts.
Cast from premium Ductile Iron QT450-10 to withstand severe water hammer impacts in aging infrastructure.
Fully EPDM-coated wedge ensures a 100% bubble-tight, bi-directional seal under both low and high pressures.
Minimum 250 μm fusion-bonded epoxy (FBE) coating provides certified corrosion protection for water networks.
Universal flange drilling options compliant with ANSI, GB, and BS standards guarantee an exact drop-in pipeline replacement.
Applications & Industries
Municipal Water Utilities: Main water supply networks, upgrading aging urban grid piping, and district water isolation.
Wastewater Infrastructure: Sewage treatment facilities, filtration systems, and industrial effluent drainage.
Commercial Facility Maintenance: Factory pumping stations, large HVAC cooling loops, and water circulation systems.
Fire Protection Networks: Highly favored in fire pump houses due to the OS&Y structure, providing immediate visual verification of whether the valve is fully open or closed.
Factory & Production Strengths
Individual Pressure Testing
Every single valve undergoes a 2.4 MPa hydrodynamic shell test and a 1.76 MPa seat test before packaging.
Stable Monthly Supply
Automated coating and assembly lines deliver a stable output of 10,000 pieces per month for the DN100 size. Standard lead time for FCL is 20–30 days.
Full Traceability & Certification
Factory operated under ISO 9001:2015. Every batch is supplied with an official Mill Test Certificate (MTC) and Certificate of Origin (CO) for hassle-free customs clearance.
Packaging & Logistics
Export Packing: Securely packed upright in seaworthy, fumigation-free plywood cases with inner moisture-proof linings to protect the epoxy coating during maritime transit.
OEM Support: Custom logo casting on the valve body and customized aluminum tags are supported for bulk wholesale orders.
FAQ
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