Flow Control, Zero Compromise
From municipal water to industrial flow systems — total reliability starts here.
From deep wells to pipelines and wastewater treatment, Norite delivers efficiency, durability, and trust in every drop.
- 5-Year Warranty
- ISO 9001 Certified
- 24/7 Support
Resilient Seated Socket Gate Valve
Socket-End Connection – Easy Installation
Designed for PVC/PE pipeline systems with socket-end connections, enabling fast and bolt-free installation.
Resilient-Seated Wedge – Licensed for Potable Water
Ductile iron wedge fully vulcanized with EPDM rubber provides resilient sealing, suitable for potable water systems.
Replaceable Stem Seal Assembly – Easy Maintenance
Stem sealing assembly features replaceable polyamide bearing and O-ring stack, facilitating quick servicing even with socket connection.
Full-Bore Design – Minimal Pressure Drop
Full-bore design ensures unrestricted flow and minimal pressure drop, ideal for water distribution and pipeline networks.
Multi-Orientation Installation – Compatible with PVC/PE Pipelines
Valve supports horizontal or vertical installation and is compatible with PVC/PE piping systems via socket-end interface.
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
Tested under Class A sealing standard, across 10,000+ units.
20+ Years Lifespan
Proven performance in seawater, wastewater, and high-pressure pipelines.
8,000+ Valves Installed
Including power plants, municipal water systems, and industrial zones.
99.5% On-Time Delivery
Backed by lean production and strict QC.
Certifications & Standards
Technical Specifications
Engineered for optimal performance across a wide range of industrial applications
Model:
Size Range:
Z81X
DN50 – DN300,2”-12”
Pressure Rating:
Standards:
PN10 / PN16
EN 1074-1/2,DIN3352 F5,BS5163
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:
EPDM / NBR
Connection:
Certifications:
Flanged to EN1092-2
- Application Conditions
Municipal Water Supply & Distribution Systems
Ideal for urban water supply mains and distribution branches, ensuring reliable sealing and easy installation for PVC/PE piping systems.
Building & Residential Water Networks
Used in residential compounds, commercial buildings, and high-rise infrastructures for mainline or zone isolation control.
Rural Potable Water & Irrigation Projects
Applicable for rural water supply projects, agricultural irrigation channels, and low-pressure water delivery lines.
Trenchless Construction & Rehabilitation Projects
Socket-end design allows for trenchless installation, ideal for valve retrofitting in existing PE/PVC pipelines without welding or bolting.
Industrial Parks & Auxiliary Water Systems
Used in industrial facility pipelines for auxiliary water supply or drainage, especially with plastic piping systems.
Buried Pipeline Installations
Supports horizontal or vertical installation in buried pipeline environments, offering excellent sealing and corrosion resistance.
- Valve structure diagram
- Valve size data sheet
Testing Process
From raw materials to finished products, NORITE maintains 100% testing coverage, ensuring that every valve and pump you receive is built to last — safe, stable, and globally certified.
Pressure Testing
Each valve undergoes rigorous pressure and hydrostatic testing prior to shipment to verify body strength, sealing integrity, and pressure stability—ensuring zero leakage and long-term reliability in field operation.
Torque and Functional Testing
Confirming operating performance and precision.
Cycle Life Testing
Simulating long-term use under real working conditions.
Coating & Corrosion Resistance Testing
Validating surface protection and durability.
Dimensional & Material Analysis
Using spectrometers and coordinate measuring machines (CMM) for accuracy.
Traceability - Unique product code
Each product leaving our factory is accompanied by a full inspection report and a unique serial number, enabling full traceability and lifetime quality tracking.
Real Project Cases
Proven performance in critical applications worldwide – see our valves in action
Urban water supply project in South Africa
- South Africa
Customer/Owner: Purpose for Water pipeline
- Working conditions/Challenges:
We Manufactures socket gate valves and Non-return valves to SOE – Valves for installation in main transmission pipeline.
- The type of equipment adopted:
socket gate valves and Non-return valves
Achievements/advantages: The operation of the urban water supply project and pipelines has solved the water supply problem for local residents.
Get Your Custom Quote
Our technical experts will analyze your requirements and provide a tailored solution with detailed specifications and competitive pricing.