Imported DBB ball valve, imported double ball valve, imported DBB double block valve
US YLOK imported DBB ball valve can be roughly understood as consisting of two ball valves installed in a valve body. They provide two physical barriers to prevent downstream leakage in a very compact mode. The double ball valve is suitable for floating and fixed installation configurations. Different valve body structures: one-piece valve body (in the form of ferrule), bolted valve body and fully welded valve body.
Product name: Imported DBB ball valve
Spool design: floating ball, fixed ball
Specification caliber: 1/2’’-24’’
Pressure range: CLASS150-2500
Material used: carbon steel, stainless steel, duplex steel, etc.
Test standard: API6D, ISO17292, B16.34, ASMEVIII
Drive mode: manual, pneumatic, electric, gas-liquid linkage
Applicable medium: oil, gas
Technical characteristics of imported DBB ball valve:
1. Designed according to API6D, ISO17292, B16.34, ASME VIII;
2. The end connection is based on ASME B 16.5, B16.25;
3. Anti-blow out valve stem;
4. Anti-static design;
5. Automatic discharge (only in fixed type)
6. The fire protection design complies with ISO 10497, API607, API6FA, BS6755-2;
1. Connect according to customer requirements;
2. Double piston effect;
3. Emergency grease injection seal on valve seat and valve stem
4. Lengthen the valve cover;
5. Lengthened valve stem;
6. Metal hard seal valve seat;
7. Valve body coating;
8. Surfacing welding of the inner cavity of the valve seat area and the valve stem area;
9. Surfacing welding of the inner cavity of the contact medium part;

Professional manufacturing and professional services, KUNAG creates more value for you
Continuously improving the quality of services and keeping improving, "sincere service" is the eternal theme of KUNAG. Kunag strictly complies with the requirements of ISO9001-2000 quality system certification, strictly controls the quality and responsibilities to the people to ensure the healthy operation of production, sales and service. To strengthen communication with customers and to provide our customers with quality products and perfect service, we hereby make the following commitments:
Product Standards
Products are designed, manufactured, and inspected strictly in accordance with China\'s GB, HG standards, and US API standards. The hardness of the sealing surface meets the national requirements and the width exceeds the national standard.
pre-sale service
Product introduction, technical communication, non-standard product design, troubleshooting.
Sale service
Trustworthy contracts, guarantee timely delivery, and keep in touch with customers at any time.
For special or complex products, our factory arranges technicians to train and guide users on product use, troubleshooting, tuning and maintenance.
After sales service
The warranty period of Weitong products is 12 months from the factory, and the "three guarantees" service (return, replacement, repair) is implemented.
During the use of our products, our factory regularly organizes technical and inspection personnel to visit and solicit user feedback on product quality, use conditions, and improvement opinions in order to further improve product quality.
Quickly respond to customer complaints about product quality problems, and after-sales service personnel rushed to the scene within 24-36 hours (48 hours outside the province).
For after-sales service, users are required to fill in the quality feedback form after the service and make appraisal opinions, while improving Guardian\'s service quality.

Order process
Landline: 021-59718851 (AM-8: 30 to PM-17: 30)
Mobile phone: 18918462396 (WeChat same number 24-hour service)

QQ: 2030185432

Email: kunage@126.com
Receive customer purchase list, provide customers with valve model selection and quotation (price list).
Specific agreement: delivery time, special requirements, etc.
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Customers have special requirements for products, and must provide the following instructions in the order contract:
(1) Structure length;
(2) Connection form;
(3) Nominal diameter, full diameter, reduced diameter, pipe size;
(4) Operating medium, temperature and pressure range;
(5) Experiment, inspection standards and other requirements;
(6) Various driving devices can be configured in this field according to the special requirements of customers;
If the determined valve type and model are provided by the customer, the customer should correctly explain the meaning and requirements of its model, and sign the contract under the conditions that the supply and demand sides understand and agree.

Contact: Peng gong
Q Q: 2030185432
Mobile: 18918462396(WeChat same number - 24 hours service)
Landline: 021-59718851
E-mail :kunage@126.com