China Grooved Gate Valve Manufacturers, Suppliers and Factory - Grooved Gate Valve Price

Fire Sprinkler System
- Standard Response Fire Sprinkler
  - FM Approved Standard Response Fire Sprinklers for Reliable Fire Protection
- Quick Response Fire Sprinkler
Fire Protection Valve
- Flanged Gate Valve
- Grooved Gate Valve
Fire Monitor
- Anti-Explosion Fire Monitor

Fire Protection Grooved Gate Valves: Engineered for Quick Installation & Compliance

Grooved gate valves are used to isolate sections of fire protection piping where a dependable shut-off point is required for system maintenance, inspection, replacement, or sectional control.

Our grooved gate valves are developed for fire protection water piping with grooved-end connections, with configurations and specifications available according to project requirements. Depending on the model, options may include NRS or OS&Y construction, resilient seating, different pressure ratings, and applicable fire protection approvals.

Grooved OS&Y Gate Valve for Fire Protection Systems
The Grooved Outside Screw and Yoke (OS&Y) Gate Valve is a heavy-duty manual isolation valve for fire protection piping systems. Installed across automatic sprinkler risers, standpipe headers, and main water distribution circuits, it...
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Gate Valve Stem
Gate Valve Stem is the threaded operating shaft of an OS&Y gate valve, converting handwheel rotation into axial gate movement. It is machined from stainless steel with a hardened working surface for controlled thread engagement and wear...
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Industrial Gate Valve
Nonfir Industrial Gate Valve is a pipeline isolation valve designed for controlling fluid flow in industrial piping systems. Its OS&Y configuration supports mechanical gate positioning and routine pipeline isolation.
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Grooved End Gate Valve
Nonfir Grooved End Gate Valve is an OS&Y gate valve with AWWA C606 grooved ends, designed for pipeline isolation in fire protection and industrial water systems.
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Gate Valve Dimensions
Gate Valve Dimensions cover the key geometric characteristics of an OS&Y gate valve, including body configuration, connection arrangement, and overall proportions. They support accurate valve selection, layout planning, and installation...
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Water Main Gate Valve
The Water Main Gate Valve is a gate valve designed for controlling and isolating water flow in piping systems. Its OS&Y configuration provides direct mechanical control of the valve gate position.
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Gate Valve Sizes
Gate Valve Sizes from DN50 to DN300 are available for fire protection, industrial, and municipal pipelines, with size and connection configurations selected according to flow requirements, pressure ratings, and installation dimensions.
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Technical Parameters & Specifications

Item	Specification
Valve Type	Flanged / Grooved OS&Y
Certificate	FM/UL
Nominal Diameter (DN/In)	2 – 12 in (DN50 – DN300)
Pressure Rating	300–350 psi
Temperature Range	0 °C – 120 °C
Connection	Grooved to AWWA C606 Standard
Body Material	High-strength cast iron / ductile iron
Stem Material	Stainless steel, precision machined
Sealing	Wear-resistant rubber / EPDM
Application	Large-diameter pipelines, high-flow systems
Working Pressure	300 PSI (2.1 MPa) / 350 PSI optional
Coating	Fusion Bonded Epoxy (FBE) to AWWA C550, min. 250-300 microns

Product Lineup & Selection Guide

Consideration	NRS Gate Valve (Non-Rising Stem)	OS&Y Gate Valve (Outside Screw and Yoke)
Primary Application	Underground installations, valve pits, or spaces with restricted vertical clearance	Main fire supply lines where instant, visual position verification is critical
Stem Arrangement	Fixed height (does not rise internally/externally during operation)	Moves externally during operation (rising stem design)
Installation Space	Ideal for limited vertical clearance	Requires allowance for external stem travel
Valve Position Check	Requires separate indicator arrangement or indicator post flange	Stem position provides instant visual reference from a distance
Certification	UL Listed / FM Approved configurations available	UL Listed / FM Approved configurations available

Grooved OS&Y Gate Valve For Fire Protection Systems

Where a Grooved Gate Valve Fits in a Fire Protection System

A gate valve in a fire protection system is primarily an isolation valve. It allows a section of piping or equipment to be shut off when the system requires maintenance, inspection, modification, or replacement.

Compliance Note: Under UL 262, gate valves intended for water-supplying fire-protection service (including non-rising-stem and outside-screw-and-yoke designs) must meet rigorous performance standards. System design and installation arrangements must comply with applicable local codes and valve listings.

Typical Isolation Points:

Main fire protection water supply piping
Riser assemblies & Sectional control arrangements
Fire sprinkler system piping
Fire pump-related piping & Above-ground fire service piping
Other water-based fire suppression systems

Inside the Valve: Key Components for Buyers

Valve Body (Ductile Iron ASTM A536): Forms the main pressure-containing structure. Finished with Fusion Bonded Epoxy (FBE) interior and exterior coatings to resist corrosion, fully compliant with AWWA C606 / ISO 6182 standards.

Gate & Resilient Seat (EPDM): Designed for optimal sealing performance, predictable operating torque, and long service life.

Stainless Steel Stem: Precision-machined and dimensionally inspected prior to assembly to maintain a tight, smooth fit with the gate and operating mechanism.

Grooved Ends (AWWA C606 Compatible): Machined to exact specifications to ensure seamless integration with standard pipe and coupling networks.

Seamless Integration with Standard Piping Networks

Coupling Compatibility

Grooved ends match exact tolerance thresholds for standard rigid and flexible couplings from major global brands (such as Victaulic and Anvil) to prevent gasket pinching and leakage.

Actuation & Monitoring Interface

Features standard indicator post flanges (for NRS models) and secure yoke mounting (for OS&Y models) for straightforward integration with supervisory tamper switches.

Corrosion-Resistant Fasteners

Exterior bolts, nuts, and stem components utilize stainless steel or hot-dip galvanized finishes to withstand corrosive underground or damp mechanical room environments.

Why Quality Traceability Matters in Fire Protection

Raw Material Verification

Cast from certified Ductile Iron (ASTM A536 65-45-12) with melt-lot numbers permanently stamped for metallurgical tracking.

100% Factory Pressure Testing

Every individual valve undergoes shell and seat hydrostatic testing beyond standard working pressures, meeting strict FM and UL protocols.

Digital MTR Access

Material Test Reports (MTRs) and inspection logs are digitized via heat-number tracking to ensure smooth project handover and audit compliance.

Engineered for International Transit & Job-Site Safety

Export-Grade Protection

Valves are securely bolted inside heavy-duty, heat-treated plywood crates (ISPM 15 compliant) or wooden pallets and wrapped in anti-corrosion moisture-barrier film.

Job-Site Palletizing

Custom crating sorted by building levels, zones, or system risers (BOQ-based sorting) enables contractors to lift materials directly to designated floor locations.

Clear Documentation Workflow

Commercial invoices, packing lists, certificates of origin (CO), and bill of lading drafts are verified before departure for smooth customs clearance.

Tailored Support for Partners

For Distributors

We support your regional market expansion with:

Standardized product ranges & flexible model selection
Private labeling (OEM/ODM) & custom packaging/pallet configurations
Product identification & reliable repeat-order supply chains
Comprehensive technical documentation

For Contractors & Installers

To get an accurate and fast quotation, please provide:

Valve size, configuration, and quantity
Pressure rating & connection specifications
Required certification standards (UL/FM)
Delivery location & required on-site date
(Tip: Feel free to attach your Bill of Quantities (BOQ) or Valve Schedule directly with your inquiry.)

For Engineering & Fire Protection Consultants

We provide complete submittal packages subject to model availability:

Product datasheets & CAD/dimensional drawings
Certification documents & material test reports (MTR)
Installation and maintenance manuals

FAQ

Q: What is the standard coating thickness of your grooved gate valves?

A: Epoxy coating (FBE) thickness complies with AWWA C550, typically ranging from 250 to 300 microns for superior corrosion resistance.

Q: Do these valves support both vertical and horizontal pipeline installation?

A: Yes, they are engineered for reliable performance and secure sealing in both vertical and horizontal fire protection piping orientations.

Q: What is your standard lead time for bulk orders or project supply?

A: Standard sizes are usually ready for shipment within 15 to 25 days, depending on the exact project quantity and custom requirements.

Q: Are your grooved gate valves compatible with standard flexible and rigid couplings?

A: Yes, the grooved ends are strictly machined to AWWA C606 specifications to ensure seamless fit with all standard brand couplings.

Q: What is your minimum order quantity (MOQ) for custom branding or OEM packaging?

A: We offer flexible MOQ policies for trial orders, with lower thresholds for standard models and scalable terms for private labeling.

Q: What types of factory inspection reports are provided before shipment?

A: Every batch undergoes mandatory hydrostatic shell and seat testing, with individual Material Test Reports (MTR) and inspection certificates supplied.

Q: What maintenance is typically required for these fire protection gate valves during system operation?

A: Routine annual visual inspections and periodic cycling (fully open and closed) are recommended in accordance with NFPA 25 guidelines to ensure smooth stem operation and prevent sediment buildup on the resilient seat.

Q: Do you supply replacement parts such as replacement EPDM discs or handwheels?

A: Yes. We maintain a full inventory of replacement parts—including EPDM encapsulated wedges, stem assemblies, and handwheels—to support long-term maintenance and project after-sales needs.

As one of the most professional grooved gate valve manufacturers and suppliers in China, we have world-leading production equipment and strong manufacturing capabilities. Please feel free to buy advanced grooved gate valve at competitive price from our factory.

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