Zhejiang Sunawei Valve Co., Ltd
+86-577-67330098
Contact Us
  • Tel: +86-577-67330098
  • Fax: +86-577-67998131
  • Mob: +8618757788866
  • Email: snv@sunawevalve.com
  • Add: Anfeng Industrial, Oubei Town, Wenzhou City, Zhejiang, China
Cast Steel Trunnion Ball Valve
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Cast Steel Trunnion Ball Valve

Material Structure: A216 WCB, A351 CF8,A351 CF8M
Working Pressure: CLASS:150LB,300LB,600LB.900LB,1500LB,2500LB
Nominal Diameter: NPS2~32”,DN50~800mm
WorkingTemperatur: -29to425ºC
Shipping & Delivery: 20-25 days lead time; deliver by ship from Ningbo port or Shanghai port

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  • Description

     

    Product description

     

    A cast steel trunked ball valve is a type of ball valve used for shutting off, distributing, or regulating the flow of oil, gas, or chemical media.

     


    Features

     

    Low Temperature Adaptability
    The Cast Steel Trunnion Ball Valve is made of A352 LCB/LCC low-temperature cast steel, with a stable metallographic structure and impact toughness ≥27J (-196°C), ensuring reliable sealing and stable operation of LNG and cryogenic pipelines.

     

    Balanced Operating Torque
    The double-support ball design ensures a ball-support surface contact area ≥80%, resulting in uniform torque distribution. Opening and closing torque is reduced compared to floating ball valves of the same diameter, preventing jamming.

     

    Self-Cleaning Design
    The ball surface radius ≥3mm, combined with a hardened seat coating, reduces solid particle accumulation, with a solid impurity blockage rate ≤1%, maintaining smooth opening and closing over the long term.

     

    Low Pressure Drop and Low Flow Resistance
    The full-bore design, with the ball orifice diameter equal to the valve body diameter, results in a pressure drop of <5% at the Reynolds number, making it suitable for high-flow, high-pressure systems.

     

     

     

    Customizable content

     

    Customizable Valve Body Material

    Carbon steel, cryogenic cast steel, alloy steel, stainless steel

     

    Customizable Valve Body Structure
    Two-piece, three-piece, side-entry, double-support ball, floating ball

     

    Customizable Sealing and Hardening Treatment
    Metal hard seal, tungsten carbide coating, seat ring hardness, surface treatment process

     

    Customizable Drive Method
    Manual lever, gear, pneumatic, hydraulic, electric, partial stroke actuator

     

    Customizable Interface and Connection
    Flange RF/RTJ/NORSOK L-005, butt weld, socket weld, clamp interface, size ½"~42", pressure rating ANSI 150~4500LB / API 3000~20000 PSI

     

    Customizable Internal Components and Spring Configuration

    Guide seat material, spring preload, slow closing, self-relief design

     

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    Why choose us?

    • We provide a reliable and efficient supply chain for our Trunnion Ball Valve products.
    • We are recruiting talents in continuous development and change, and sincerely hope to encourage each employee to develop themselves.
    • Our Trunnion Ball Valve products are recognized for their quality, durability, and affordability.
    • We insist on the spirit of enterprise culture of "dedication, best effort and responsibility", and are dedicated to the production and operation of our products, and have achieved promising business results.
    • Trust us to provide consistent and reliable Trunnion Ball Valve products that meet global standards.
    • Our Cast Steel Trunnion Ball Valve are innovative and practical, meeting the needs of different markets at home and abroad, with broad application prospects.
    • Our team is committed to providing prompt and reliable customer service for our Trunnion Ball Valve products.
    • Our company is based on science and technology, has a high-quality staff, with strong strength and excellent technical force to produce first-class quality products and create a first-class enterprise.
    • We use the best materials and techniques to manufacture high-quality Trunnion Ball Valve products.
    • We review the current situation, actively explore new development paths, innovate profit models, and always insist on becoming stronger and growing together with customers.

     

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