The Grooved Resilient Seated Gate Valve enables fast, rigid pipe connections without threading, welding, or flanging, significantly reducing installation labor in commercial fire protection and HVAC piping networks. Engineered with a fully encapsulated EPDM or NBR wedge, it provides bubble-tight shutoff while maintaining a clear, unobstructed flow path.
Built for demanding mechanical services, our valves are manufactured in-house using automated molding lines and CNC machining centers, ensuring consistent dimensional accuracy and reliable field performance across high-rise buildings and industrial facilities.
Technical Specifications & Downloads
|
Parameter |
Specification Detail |
|
Size Range |
NPS 2 inches to 12 inches (DN50 - DN300) |
|
Working Pressure |
250 PSI / 300 PSI (1.7 MPa / 2.0 MPa) |
|
Connection Standard |
Grooved ends to AWWA C606 / ISO 6182 |
|
Working Temperature |
0°C to 120°C (EPDM) |
|
Body Material |
Ductile Iron ASTM A536, Grade 65-45-12 |
|
Wedge Material |
Ductile Iron core, fully encapsulated with EPDM / NBR |
|
Stem Material |
Stainless Steel AISI 420 / 304 |
|
Coating |
Fusion Bonded Epoxy (FBE) interior and exterior, min. 250 um thickness |
|
Approvals |
UL Listed and FM Approved (for fire protection services) |
Key Features
Fast Grooved Connection: Groove design mates directly with standard mechanical couplings, cutting installation time by up to 50 percent compared to flanged alternatives.
Bubble-Tight Sealing: Resilient rubber wedge vulcanized to the ductile iron core ensures zero leakage at rated pressure, verified by 100 percent shell and seat pressure testing.
Low Operating Torque: Non-rising stainless steel stem with rolled threads reduces operational friction, allowing smooth manual opening and closing.
Corrosion Resistance: Electrostatic Fusion Bonded Epoxy (FBE) coating withstands salt spray testing exceeding 1000 hours, preventing internal scaling and tuberculation.
Manufacturing Integrity: Body castings produced via automated resin-sand molding lines, guaranteeing uniform wall thickness and structural soundness under surge pressures.
Applications
Fire Protection Systems: Main control valves, sectional isolation, and sprinkler system risers (UL/FM compliant).
HVAC Systems: Chilled water, condenser water, and thermal storage loops in commercial complexes.
Municipal & Industrial Water: Water treatment plants, secondary water supply networks, and factory utility lines.
OEM & Customization Capabilities
We support OEM, ODM, and project-specific customization backed by our vertical manufacturing infrastructure:
Private Labeling: Custom body logos, casting part numbers, and laser-etched nameplates.
Coating Options: Special high-thickness epoxy or NSF-61 certified coatings for potable water applications.
Actuation Options: Provision for supervisory switch mounting (tamper switches) or gear operator attachments.
Packaging: Reinforced wooden pallets and export-grade crating tailored for container shipping.
Testing, Quality & Documentation
Every production batch undergoes strict quality control before dispatch:
In-House Testing: 100 percent hydrostatic pressure testing (Shell test at 1.5x working pressure, Seat test at 1.1x working pressure) per EN 12266 / API 598.
Material Traceability: Spectrometer material analysis reports available for every ductile iron heat melt.
Documentation Package Provided: Mill Test Certificates (MTC EN 10204 3.1), UL/FM certificates, installation manuals, and dimensional submittal drawings provided prior to shipment.
FAQ
Q: Are these valves UL Listed and FM Approved for fire protection?
A: Yes, our grooved resilient seated gate valves hold current UL listing and FM approval for fire sprinkler and suppression systems. Compliance documentation is available upon request.
Q: What is the standard coating thickness and salt spray resistance?
A: The standard Fusion Bonded Epoxy (FBE) coating thickness is a minimum of 250 micrometers, tested to withstand over 1000 hours of salt spray corrosion.
Q: Can these valves be installed in vertical and horizontal pipelines?
A: Yes, grooved gate valves can be installed in any orientation, provided proper pipe support and alignment are maintained to avoid mechanical stress on the couplings.
Q: What is your standard lead time for bulk orders?
A: Standard sizes (2 inches to 8 inches) stocked in regular quantities ship within 15 to 25 days. Container-load production runs typically require 30 to 35 days.
Request a Quote / Technical Submittal
Request For Quotation (RFQ)
Please fill out the essential details below to receive a prompt technical submittal package and commercial quotation.
1.Size & Pressure Required: (e.g., NPS 4 inches, 300 PSI)
2.Quantity:
3.Destination Port / Country:
4.Project Specifications / Standards:
5.Email / Direct Contact:
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