Cast Steel Trunnion Ball Valve

AEA Valve is one of the best cast steel trunnion ball valves manufacturer, offering reliable solutions for various industries. Our state-of-the-art manufacturing facilities and strict adherence to quality standards ensure that our valves deliver exceptional performance in demanding applications. We provide a wide range of cast steel trunnion ball valves suitable for HVAC systems, water treatment, marine, and oil & gas industries, among others. Contact us today to discuss your specific requirements and experience the RST Valve difference!

Product Description

Cast Steel Trunnion Ball Valve Overview

A cast steel trunnion ball valve is a robust and reliable flow control device used in various industrial applications, such as oil and gas, chemical processing, power generation, and water distribution systems. Made from a durable metal alloy, these valves are designed to withstand high pressure and temperature conditions while providing smooth operation and precise control. The trunnion-mounted ball design enhances stability and eliminates the need for pilot holes, making it an ideal choice for high-pressure and high-flow applications. The cast steel construction of the valve ensures superior strength and durability, guaranteeing long-lasting performance even in the most demanding environments.

Product Parameters

Parameter Name

Parameter Valve

Caliber

1/2"-24"(DN15-DN600)accordingly

Material

Cast Steel ASTM A216 WCB, CS, LCC, LCB, WCC, WC6, WC9
Cast Stainless Steel A351 CF8, CF8M, SS304, SS316, SCS13, SCS14, SS201, Duplex 2205, 2207
Forged Steel A105, F304, F316

Trim

Soft Seat: PTFE, RPTFE, NYLON, PPL, PEEK, etc.
Hard Seat: 13CR+ENP, STL, WC, etc.

Class

150lb-2500lb, PN16-PN420, JIS 5K-20K

Ends

Flange End: RF, RTJ, FF
Screw End: BSPT, BSPP, G, NPT
Butt Welded, Socket Welded

Operate

Manual, Worm Gear, Pneumatic or Electric Actuator

Certificates

ISO, CE, TS, API 6D, API 600, API 607

Nominal Pressure

ANSI CLASS 150-900

Working Temp.

-196ºC~450ºC

Body Type

Split Body in Two and Three Body

Seal

PTFE, Rptfe, Devlon, Peek, Stellite, Metal

Sealing Type

Bi-Directional Sealing

Suitable Temperature

-29-300ºC, -20.2-572ºF

Suitable Medium

Water, Natural Gas, Oil and some corrosive liquid

Locking

Option

Inspection & Testing

According to API598

Payment Terms

T/T, Western Union, PayPal, etc.
30% prepayment, 70% balance paid before shipping or against copy of BL

Shipping Terms

Exw, FOB, CFR, CIF, etc.

Warranty

18 Months after leaving factory

Features of Cast Steel Trunnion Ball Valve

  • Trunnion-Mounted Design:
    • Ball supported at both ends, reducing wear and tear
      • Ensures smooth, reliable operation throughout the valve's lifespan
        • Minimizes stress on the valve components, enhancing durability
  • High Pressure & Temperature Resistance:
    • Designed to handle high-pressure, high-temperature, and corrosive fluids
    • Ideal for demanding industrial applications and harsh environments
    • Maintains structural integrity under extreme operating conditions
  • Superior Sealing:
    • Tight sealing mechanism prevents leaks and ensures system integrity
    • Minimizes fluid loss and enhances overall system efficiency
    • Reduces the risk of environmental contamination and safety hazards
  • Durability:
    • Cast steel construction provides excellent resistance to corrosion and abrasion
    • Extends the lifespan of the valve, reducing replacement costs
    • Withstands the rigors of industrial use without compromising performance
  • Versatility:
    • Suitable for a wide range of industrial applications
    • Compatible with pipelines, oil rigs, chemical reactors, and more
    • Adaptable to various fluid types and operating conditions
  • Easy Maintenance:
    • Simple design and accessible components facilitate quick maintenance and repairs
    • Reduces downtime and minimizes associated costs
    • Ensures the valve remains in optimal working condition with minimal effort
  • Full Compliance:
    • Meets ASME B16.34 and API 6D standards
    • Complies with API 607 6th Edition Fire-Safe requirements
    • All models are NACE MR0175 compliant, ensuring suitability for various applications
  • Advanced Features:
    • Submerged packing system and direct mount actuation for enhanced performance
    • Standard ISO actuator mounting pads on all sizes for easy integration
    • Second-generation PTFE seats provide higher operating temperatures
  • Safety and Protection:
    • Standard electrically grounded ball and stem for added safety
    • Corrosion allowance in body thickness design for long-term reliability
    • Chemical plating on carbon steel components to ASTM B733 and B656 standards
  • Customization and Support:
    • NACE standard compliance is available upon request
    • OEM/ODM services and customization options to meet specific requirements
    • Strong corrosion resistance, quality assurance, and environmental protection

Component Materials of Cast Steel Trunnion Ball Valve

Component

Material

Body

WCB / LCB / CF8 / CF8M

Bonnet

WCB / LCB / CF8 / CF8M

Ball

A105 + ENP / LF2 + ENP / F304 / F316

Seat

PTFE / RPTFE / DEVLON / PEEK

Seat Retainer

A105 + ENP / LF2 + ENP / F304 / F316

Stem

F6a / F304 / F316 / F51 / 17-4PH

Lower Stem

A105 + ENP / LF2 + ENP / F304 / F316

Seal Sleeve

A105 + ENP / LF2 + ENP / F304 / F316

Stud

B7 / L7 / B8 / B8M

Nut

2H / 7 / 8 / 8M

O-Ring

VITON AED / HNBR AED

Anti Fire Ring

Flexible Graphite

Anti Static Device

SS316

Gasket

SS304 + Graphite / SS316 + Graphite

Packing

Flexible Graphite

Drain Valve

CS +Zn / SS304 / SS316

Release Valve

CS +Zn / SS304 / SS316

Worm Gear

Assembly

Applications of  Cast Steel Trunnion Ball Valve

  • HVAC Systems:
    • Ideal for air handling units, boilers, and chillers
    • Suitable for cooling towers, heat exchangers, and terminal units
    • Approved by ISO 9001:2008 Management System Standard and CE
  • Water Treatment:
    • Specified for portable water and sewage water distribution
    • Meets the highest industry standards for butterfly, gate, and check valves
    • WRAS and NSF certification available for ball and knife gate valves
  • Marine Applications:
    • Proven track record with projects for COSCO and PETRO BRAS
    • Committed to delivering value and client satisfaction
    • Can supply valves certified by LR, DNV-GL, ABS, and more
  • Oil & Gas Industry:
    • Designed to handle high-pressure applications with safety and reliability
    • Minimizes environmental impact through leakage control and testing
    • Successfully implemented in projects for Petrobras and other industry leaders
  • Chemical Processing:
    • Withstands corrosive and abrasive environments in chemical plants
    • Provides precise flow control and isolation in process lines
    • Complies with industry-specific standards and regulations
  • Power Generation:
    • Suitable for steam, feedwater, and condensate systems in power plants
    • Offers reliable performance in high-temperature and high-pressure conditions
    • Contributes to efficient and safe power generation processes
  • Mining Operations:
    • Handles abrasive slurries and corrosive fluids in mining applications
    • Provides durable and reliable performance in demanding environments
    • Supports the smooth operation of mining equipment and processes
  • Pulp and Paper Industry:
    • Designed to handle corrosive chemicals and abrasive pulp slurries
    • Ensures efficient flow control and isolation in pulp and paper mills
    • Contributes to the production of high-quality paper products
  • Food and Beverage Processing:
    • Meets strict hygiene and sanitation requirements in food and beverage plants
    • Provides reliable flow control and isolation in processing lines
    • Complies with food-grade material standards and regulations
  • Pharmaceutical Manufacturing:
    • Designed to maintain sterility and prevent contamination in pharmaceutical processes
    • Offers precise flow control and isolation in critical applications
    • Meets stringent cleanability and documentation requirements for validation