Cast Steel Flanged Ends Trunnion Ball Valve

Cast Steel Flanged Ends Trunnion Ball Valve

Cast steel flanged ends trunnion ball valve have two piece and three piece body structure. Middle part is bolt connection, RPTFE seal insert into stainless steel ring with spring. keep good sealling.

Top stem with bottom stem have PTFE bearing, reduce friction, save effort. full bore and reduce bore.

Product Range:

Nominal diameter: 1/2" - 48" 

Pressure: Class 150 - Class 2500

Temperature: -29 °C - +545°C

Material: A105, LF2, F5, F11, F22, 304(L), 316(L), F347, F321, LF2, F304, F316, F316L, F304L, Alloy steel, Etc

Operation: Handle, Gear, Electric actuator, Etc

Medium: Water, Oil, Gas,Air ,

Standards Compliance
1. Design and manufacture conform to BS5351 MSS SP-118,ASME B16.34, API 6D 

2. Connection ends conform to:

1) Scoket welded ends conform to ANSI B16.11, JB/T1751, ASME B16.11

2) Screw ends conform to ANSI B1.20.1, JB/T7306 , ASME B16.11 

3) Butt-welded ends conform to ANSI B16.25, JB/T12224

4) Flanged ends conform to ANSI B16.5, JB79

3. Test and inspection conform to: API 598

4. Structure features: Bolted bonnet, Three-piece

5. Materials conform to ANSI / ASTM

6.Fire Safe Test :API 607 / API 6FA

7.Special : NACE MR-01-75

Our Service

1.quick delivery, high quality and reasonable price.

2. We can make products according to the needs of customers.

3. Welcome to inquiry and purchase later in the day for us.

4. Strict quality control system .welcome third party for quality checking

5.We are a factory who focus on produce valves. Adhere  to 
quality is our belief.

6.All valves according the drawing to produce and 100% pressure 
testing, 100%material inspection.

About Us

Zhejiang Naibang Valve CO., LTD, Founded in 2000, is a professional valve manufacturer integrating design, technical development, produce and sale service, has a solid strength and rich production experience.

The main product are wafer check valves, ball valves, gate valves, globe valves, forged steel valves, and have obtained ISO9001 , API 6D , CE Certificate and TS management system certifications.

If you have any  questions, please feel free to contact me.your enquiry  will get prompt attention.
we will do out best  to quote you a more competitive price and short delivery time .

We welcome all the world customers to contact us for more cooperation.

With our years of technical knowledge and experience, we assure you,

Naibang will be one of your best parters in China.