Manual Trunnion Mounted Ball Valve Class 150~Class 2500 PN16-PN160 JIS 10K-20K

Specification

Reliable Operation: This manual trunnion mounted ball valve offers reliable operation with a wide range of port sizes (DN15-DN1500) and pressure ratings (Class 150-2500, PN16-PN160, JIS 10K-20K), ensuring smooth control of medium temperature water flow in various applications.
Customization Options: Our product supports customization through OEM, ODM, and software reengineering, allowing for tailored solutions to meet specific user requirements, such as those mentioned by the customer who needs a specific port size.
Durable Construction: Built to withstand medium-temperature water flow, this ball valve features a robust design for long-lasting performance and minimal maintenance, ensuring consistent operation in various industrial settings.
Wide Compatibility: With its standard design, this valve is compatible with a range of industries, including general applications, making it an ideal choice for users seeking a versatile solution.
High-Quality Brand: Manufactured by QIF, a reputable brand known for producing high-quality valves, this manual trunnion mounted ball valve meets or exceeds industry standards, providing users with confidence in its performance and reliability.

Product Overview

High-Quality Manual Forged Ball Valves (150~600LB): Industrial-Grade Solutions for High-Pressure Fluid Control

I. Core Attributes: Full-Specification Parameters and Performance Analysis

Model: Manual Forged Ball Valve
Diameter and Pressure:

Diameter Range: DN50~DN1000 (2″~40″), covering full-scenario requirements from medium-small industrial pipelines to large-scale pipe networks.
Pressure Classes:
- 150LB (PN20), 300LB (PN50), 600LB (PN110), with a maximum pressure rating of 10MPa (1450psi). Tested to API 598 standards, the shell undergoes a hydrostatic test at 1.5x nominal pressure, and the seal test at 1.1x nominal pressure to ensure zero leakage.

Materials and Structure:

Body Material: Constructed from A105 forged steel (ASTM standard carbon steel) with 0.35%-0.45% carbon content. The forging process eliminates metal segregation, offering a tensile strength ≥550MPa and yield strength ≥255MPa, suitable for -29°C to 425°C working conditions. The valve body, ball, and stem are forged from the same material to ensure integral structural strength and avoid welding stress concentration.
Sealing System:
- Seat Materials: Dual options of soft seal (PTFE) and metal seal (Stellite alloy/tungsten carbide). The soft seal is suitable for clean media ≤150°C, achieving API 598 Class IV leakage rate; the metal seal uses supersonic spraying with HRC60+ hardness, resistant to particle erosion and meeting API 6D Class VI (bubble-tight) leakage standards.

Operation and Connections:

Actuation: Standard manual operation with position indicator and locking device; optional worm gear drive (1:20 reduction ratio, operating torque ≤200N·m).
End Connections: Flanged (RF/RTJ), butt weld (BW), socket weld (SW), and threaded (NPT/BSP) interfaces, compliant with ASME B16.5, ASME B16.25, and other standards.

Certifications and Customization:

International Certifications: CE, ISO, DIN, API 6D, API 608, covering market access requirements in Europe, America, and Southeast Asia.
Customization Services: Full-process OEM/ODM/OBM customization, including structural optimization, surface anti-corrosion treatment (e.g., epoxy coating), and brand logo engraving.

Valve Details

Manufacturing Processes: Precision Engineering and Quality Control

(1) Forging Technology

Integrated Forging: The valve body, ball, and stem are forged using a die forging process with a 1000-ton press for one-piece forming. This enhances internal material density by 3-5% and impact resistance by 20% compared to cast steel, effectively withstanding water hammer and vibration loads.
Heat Treatment: Forged parts undergo normalizing and tempering to eliminate forging stress, achieving an ASTM grain size of Grade 5+ to ensure balanced mechanical properties.

(2) Precision Machining

5-Axis Machining: Advanced equipment ensures valve seat sealing surfaces are machined to IT6 precision with a surface roughness of Ra≤0.8μm, achieving 0.005mm-level tolerance control using laser rangefinders.
Seal Testing: Each valve undergoes helium mass spectrometry leak detection (leakage rate ≤1×10⁻⁹Pa·m³/s) to ensure sealing performance.

(3) Quality Assurance

Material Traceability: Each batch of steel is accompanied by a Material Test Report (MTR), with process records for key steps (e.g., forging, heat treatment).
Pressure Testing: 100% compliance with API 598 standards, including 1.5x nominal pressure shell testing and 1.1x seal testing, with a hold time ≥15 minutes.

Application

Product Description: Reliability Assurance Across Industries

This manual forged ball valve stands out for its high-pressure sealing capability, structural stability, and versatile adaptability, widely used in oil & gas, chemical, and power industries.

(1) Oil and Gas Industry

Wellhead Control: In shale gas fracturing requiring instantaneous pressures ≥70MPa, 600LB forged ball valves with metal hard seals resist sand erosion.
Pipeline Transportation: In low-temperature gathering systems (-40°C), extended bonnet designs prevent stem packing from hardening due to low temperatures.

(2) Chemical Industry

Corrosive Media Handling: Stainless steel bodies with Stellite alloy seats excel in acid/alkali/salt chemical pipelines, offering a service life of over 8 years.
Reactor Control: Suitable for high-temperature/pressure reaction scenarios, with soft seals ensuring zero leakage and production safety.

(3) Power Industry

Main Steam Pipelines: In supercritical units (25MPa, 566°C), A105 forged steel with IN718 alloy seats comply with ASME BPVC boiler codes.
Drainage Systems: Low-torque ball valves (operating torque ≤150N·m) in high-low pressure heater drain lines, paired with pneumatic quick-closing actuators, respond within ≤1 second to prevent water hammer.

IV. Supply Chain and Services: End-to-End Support from Customization to Maintenance

Delivery Capability: Standard products shipped within 7 days; customized products delivered in 15-30 days, supporting small-batch trial orders (MOQ=1 unit).
After-Sales Service: 24-month warranty with professional teams providing installation guidance, fault repair, and other comprehensive services to address customer concerns.
Cost Optimization: Tiered discounts for bulk purchases, with competitive pricing achieved through optimized production processes and supply chain management.

TIANYU manual forged ball valves adhere to the core philosophy of “excellent quality, flexible customization, and professional service,” delivering reliable fluid control solutions to global industrial users. Whether facing extreme working conditions or complex scenarios, we consistently create sustainable value through craftsmanship and professional services.

Contact us today to obtain customized solutions and free working condition simulation reports.