API 6D A105/F304/F316 Forged Trunnion Mounted/Fixed Flanged Ball Valve (flange RF/RTJ) Fire Safe Nace Mr 0175 with Extend Stem

Our Forged Trunnion Ball Valve, Manual Cast Ball Valve, DBB Ball Valve have passed the inspections of the Nationally Recognized Testing Center and are worthy of your trust. The company has always been committed to scientific and technological progress, continuous innovation, and efforts to develop good products, and has won the trust of users with reasonable cost performance and excellent after-sales services. People from all walks of life are welcome to visit and patronize. We regard our employees as the basic strength of our company and insist on the concept of equality and care for talents. We keep in mind the practice of corporate civil social responsibility, and regard fulfilling social responsibility as the mission of enterprise development and an important way to take on and give back to the society. Serious work is our mission, and hard work to innovate is our responsibility.

Product Date:

Size: 2”~28”

Class: 150LB 〜2500LB

Forged Body

Fixed ball structure ,DBB Structure

Anti-Static device

Blow-out proof Stem

Anti-Fire Structure

Seat, stem emergency seal grease injection design

Double Block And Bleed (DBB)

Design standard:

Design According: ASME B16.34/API 6D

Test According: API 6D

RF End: ASME B16.5

BW END: ASME B16.25

Face to Face: ASME B16.10

Anti-Fire Test According: API 607/API 6FA

Acid environment: NACE MR 0175

Advantages:

The ball with upper and lower trunnion, so the seat rings take small flow pressure force when valve is in closed position. the main advantage of trunnion mounted ball valve are Small operating torque, small deformation on seats, reliable sealing performance, long service life. Trunnion mounted ball valves are widely used in long distance pipeline and normal industrial pipeline.

The top-mounted fixed ball valve includes a valve body, a wedge-shaped ball, a valve seat, a valve cover, and a valve stem. The side wall of the valve body is provided with a wedge-shaped ball mounting hole with an upward opening. A spring is provided. The spring uses a wedge-shaped ball as the first base, and the boss provided on the valve stem is the other base. A seal is provided between the upper end of the boss of the valve stem and the valve cover. A sealing gasket is arranged between the valve body and the sealing member has a wedge-shaped cross-section. The boss or valve cover is provided with an inclined pushing surface corresponding to the sealing member to form a wedge-shaped sealing fit. The inclined pushing surface is preferably provided On the upper end surface of the boss, the use of the spring force or the pressure of the medium is used to seal the wedge-shaped seal between the valve stem and the bonnet and the sealing surface to form a wedge-shaped sealing fit, and the oblique wedge principle is used to make the sealing surface tighter and better sealing effect.

Application:

We take the responsibility to meet the requirements of users, take the quality of products as the goal, put the service through the whole process of operation, and actively strengthen the communication, exchange and cooperation with related units in the same API 6D A105/F304/F316 Forged Trunnion Mounted/Fixed Flanged Ball Valve (flange RF/RTJ) Fire Safe Nace Mr 0175 with Extend Stem industry, and strive to achieve complementary advantages and win-win development situation. Our company keeps enough sense of crisis in the challenging and severe market competition. To meet the needs of customers is the basic purpose of our work, we pursue the common success with customers.

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