GOST-12820/GOST-33259 Slip On Plate Flange Carbon Steel Welding Plate Flange 12X18H10T
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Product Introduction
GOST-12820 and GOST-33259 are standards for steel plate flat welding flanges formulated by the Russian Standardization Organization. Both standards are applicable to pipe and valve connections. Plate type flat welding flange is a commonly used flange connection method, which is widely used in various industrial fields due to its convenient installation, high strength, and good sealing performance.
The following are some basic contents of the GOST-12820/GOST-33259 standard:
Size range: DN10~DN2000
Pressure rating: PN6, PN10, PN16, PN25, PN40
Material: carbon steel, stainless steel, alloy steel, etc
Connection method: flat welding connection
Surface treatment: cleaning, painting, or plastic spraying
Scope of application: Commonly used for pipeline connection and valve connection in petroleum, chemical, natural gas, water treatment, heating and gas supply industries.
GOST-12820 specifies the dimensions, materials, manufacturing processes, pressure levels, surface treatment, and inspection requirements of flanges;
GOST-33259 standard specifies the dimensions and tolerances of face seals and flange connections for flat welding flanges, as well as the shape and surface quality of sealing surfaces.
It is important to note that suitable flanges and gaskets are selected to ensure the safety and tightness of the connection. In addition, during installation, it is also necessary to pay attention to the symmetry of the flange and the correct tightening force to avoid problems such as leakage in the flange connection.
1.Shrink bag–> 2.Small Box–> 3.Carton–> 4.Strong Plywood Case
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1.Professional manufactory.
2.Trial orders are acceptable.
3.Flexible and convenient logistic service.
4.Competitive price.
5.100% testing,ensuring the mechanical properties
6.Professional testing.
1.We can guarantee the best material according to related quotation.
2.Testing is performed on each fitting before delivery.
3.All packages are adapt for shipment .
4. Material chemical composition is conformed with international standard and environment standard.
A) How can I get more details about your products?
You can send an email to our email address. We will provide catalogue and pictures of our products for your reference.We can also supply pipe fittings, bolt and nut, gaskets etc. We aim to be your piping system solution provider.
B) How can I get some samples?
If you need, we will offer you samples for free, but new customers are expected to pay express charge.
C) Do you provide customized parts?
Yes, you can give us drawings and we will manufacture accordingly.
D) To which country have you supplied your products?
We have supplied to Thailand, China Taiwan, Vietnam, India, South Africa, Sudan, Peru , Brazil, Trinidad and Tobago, Kuwait, Qatar, Sri Lanka, Pakistan, Romania, France, Spain, Germany, Belgium, Ukraine etc. (Figures here only include our customers in latest 5 years.).
E) I can’t see the goods or touch the goods, how can I deal with the risk involved?
Our quality management system conforms to the requirement of ISO 9001:2015 verified by DNV. We are absolutely worth your trust. We can accept trial order to enhance mutual trust.
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