Top entry ball valve

Short Description:

Size Range:  2″ – 48″ ,DN 50 – DN 1200

Pressure Rating:  Class150 – Class 2500 or PN 16 – PN 420

Temperature Range: -46 ℃ to 200 ℃ (-20℉ to 392℉)

Connection: Butt Weld, Flange

Material: WCB, LCB, CF3, CF8M, CF3M, A105, LF2, F304, F304L, F316, F316L etc.

Operation: Lever, Gear, Pneumatic, hydraulic and Electric actuator

Product Detail

Applicable Standards


Product Tags


• One-piece Body

• Top Entry for On-line Maintenance

• Anti-static Design

• Anti-blowout Stem

• Cavity Pressure Self Relief

• Double Block and Bleed (DBB)

• Fire Safe to API 607

• Underground & Extended Stem option

• Low emission packing

• Emergency sealant injection

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  • a) Design & Manufacture: API 6D, BS 5351

    b) Face to Face: API B16.10, API 6D, EN 558, DIN 3202

    c) End Connection: ASME B16.5, ASME B16.25, EN 1092, JIS B2220

    d) Test and Inspection: API 6D, EN 12266, API 598

    NSEN strictly follow the free repair, free replacement and free return services within 18 months after the valve is ex-works or 12 months after being installed and used on the pipeline after ex-works (upon which comes first). 

    In the case the valve gets failed due to the quality problem during the use in the pipeline within the quality warranty period, NSEN will provide free quality warranty service. The service shall not be ended until the failure is surely made settled and the valve normally workable as well as the client signs the letter of confirmation.

    After expiration of the said period, NSEN guarantees to provide the users with on-time quality technical services whenever the product needs to be repaired and maintained. 

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