Metal Seat Gate Valve
High-performance **Metal Seated Gate Valves** designed for high-temperature and extreme industrial flow systems.
Engineered to BS5163 standards, our ductile iron **Z45T valves** ensure zero-leakage sealing in high-pressure steam and industrial water pipelines.
- 5-Year Warranty
- ISO 9001 Certified
- High Temperature Resistance



Metal Seat Gate Valve
Metal-to-Metal Seat for High Temp & Pressure
The robust metal seat structure allows the **Z45T gate valve** to maintain a tight seal under extreme heat and high-pressure conditions. Perfect for steam, chemical processing, and oil refining systems.
Precision Machined Seat Rings for Zero Leakage
High-finish machining on gunmetal bronze or stainless steel seat rings ensures optimal surface contact. This precision engineering minimizes friction and guarantees bi-directional sealing performance.
SS304/316 Stem with Brass Thrust Collar
Features a high-tensile stainless steel stem paired with a full-circle brass thrust collar. This combination provides superior corrosion resistance and ensures low-torque, smooth manual operation.
Replaceable Stem Seal for Easy Maintenance
The advanced stem seal assembly uses a replaceable polyamide bearing with multi-layered O-rings. This design allows for fast, on-site maintenance without a total system shutdown.
Full Bore Design for Maximum Flow Efficiency
Our full-bore internal path guarantees unrestricted flow and minimal pressure drop. It optimizes system performance by preventing turbulence and debris accumulation within the valve body.
Need custom specifications? Our engineers are ready to help.
Call: +86 15090163952 | Email: lisa@noritesolution.com
Proven Results That Drive Your Bottom Line
Real performance data from our Valve installations across critical industries worldwide
100% Pressure Tested
Each **Metal Seated Gate Valve** is tested under Class A sealing standards. We ensure zero leakage across 10,000+ units for total system safety.
20+ Years Lifespan
Proven performance in seawater, wastewater, and high-pressure steam pipelines. Our **Z45T series** is built for extreme industrial longevity.
8,000+ Valves Installed
Reliable flow control solutions for power plants, municipal water systems, and industrial zones worldwide. Trusted by engineers globally.
99.5% On-Time Delivery
Backed by lean production and strict QC. We ensure your **Metal Seat Gate Valves** arrive on schedule to keep your projects moving.
Certifications & Standards









Technical Specifications
Engineered for optimal performance across a wide range of industrial applications
Model:
Size Range:
Z45T
DN50 – DN1200,2”-48”
Pressure Rating:
Standards:
EN 1074-1/2,BS5163,AWWA C509/C515
Media:
Max Temperature:
Drinking water and neutral liquids
Body Material:
Wedge Material:
EN-GJS-500-7 (GGG-50)
Ductile iron core fully vulcanized with EPDM rubber
Stem Material:
Sealing:
Stainless steel,Bronze, Brass
Bronze, Brass
Connection:
Certifications:
Flanged to EN1092-2,ANSI B16.5,BS4504
- Application Conditions
**High-Temperature & High-Pressure Steam Systems**
Ideal for steam mains, reheaters, and heat-recovery pipelines in power plants and petrochemical facilities. Our **metal-seated gate valve** designs are built to withstand extreme thermal expansion and pressure fluctuations.
**Pipelines with Particulate or Erosive Media**
Superior performance in pipelines transporting coal slurry, oil with sand, or fluids with suspended solids. The **metal-to-metal seals** provide exceptional wear resistance and impact protection compared to soft-sealed alternatives.
**Corrosive or Toxic Media Environments**
Highly recommended for chemical refining and gas transport systems. These **Z45T metal seat valves** ensure zero-leakage containment and high corrosion resistance for hazardous medium handling.
**Long-Life Buried / Remote Pipeline Networks**
Engineered for buried or remote networks where maintenance access is limited. The rugged metal seat and anti-corrosion coating ensure high reliability and minimal upkeep over decades of service.
**Critical Process Shut-Off in Key Systems**
Used as critical isolation valves in power generation, natural gas regulation stations, and offshore platforms. Our valves guarantee sealing integrity where safety and performance are non-negotiable.
- Valve structure diagram

- Valve size data sheet

Rigorous Testing Process
From raw material inspection to final assembly, NORITE ensures **100% testing coverage**. Every **Metal Seat Gate Valve** is engineered to meet global industrial standards for safety and stability.

High-Pressure Shell & Seat Testing
Every valve undergoes rigorous hydrostatic testing to verify body strength and sealing integrity. We guarantee zero leakage and long-term reliability for your **Metal Seated Gate Valve** in high-pressure operations.

Torque & Operational Precision
We measure the opening and closing torque to ensure smooth manual or actuated operation. Each **Z45T valve** is calibrated for optimal performance and minimal friction.

Accelerated Cycle Life Simulation
Simulating years of continuous service under real working conditions. This ensures our **metal-to-metal seals** maintain their shut-off performance even after thousands of cycles.

Coating Thickness & Adhesion Test
Validating epoxy coating thickness and corrosion resistance. Our surface protection ensures the valve body survives harsh environments and buried pipeline applications.

Material Spectroscopy & CMM Analysis
Using advanced spectrometers and Coordinate Measuring Machines (CMM) to verify material chemical composition and dimensional accuracy against international standards.

Full Traceability & Serialization
Each product is assigned a unique serial number and accompanied by a full inspection report. This enables lifetime quality tracking and simplified maintenance for your project.
Real Project Cases
Proven performance in critical applications worldwide — see our **Metal Seated Gate Valves** in action.





Valve Maintenance and Replacement Project for Main Irrigation Pipeline at Central Morocco Dam
- Morocco
Customer/Owner: Ministry of Agriculture, Maritime Fisheries, Rural Development, Water and Forests, Morocco
- Working conditions/Challenges:
This project focuses on the maintenance and replacement of key **industrial valves** in the main water transmission pipeline of a major agricultural irrigation dam in central Morocco. The region serves as a critical source of irrigation water, supporting local food production and the livelihoods of numerous farmers.
- The type of equipment adopted:
We supplied key large-diameter equipment, including **DN1200 Metal Seat Gate Valves**, double eccentric butterfly valves, silent check valves, and slow-closing non-slam check valves. Engineered for high-head and high-flow conditions, these **Z45T valves** deliver reliable sealing and stability for the main pipeline system.
**Key indicators:** Backed by our extensive experience in the waterworks valve sector and integrated supply chain, we provided fully customized **metal seated valve** solutions tailored to Morocco’s specific infrastructure requirements.
**Achievements/advantages:** This project significantly enhances local agricultural infrastructure. By upgrading to our high-performance **Metal Seat Gate Valves**, the irrigation network’s operational efficiency and reliability have been greatly improved, minimizing water loss and strengthening drought resilience.
Get Your Custom Quote
Our technical experts will analyze your requirements and provide a tailored solution with detailed specifications and competitive pricing.
