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Industrial valves
Industrial valves
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Butterfly valves
PTFE-lined butterfly valves of PA 200 series
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Butterfly valves with double offset of PA 700 series
Butterfly valves with tripple offset of PA 900 series
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Gate valves
Knife gate valves with through knife of PA 510 series
Bidirectional knife gate valves of PA 520 series
Bidirectional knife gate valves with demountable body of PA 530 series
Unidirectional knife gate valves of PA 540 series
Bidirectional knife gate valves with internal rubber inserts of PA 550 series
Bidirectional knife gate valves with polyurethane seat of PA 560 series
Unidirectional knife gate valves for high pressure with blind body of PA 570 series
Pinch valves produced by PromArm
Gate valves 30с41нж of Promarm manufacturing
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Electrically Actuated Industrial Valves
Electrically Actuated Industrial Valves
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Power Industry Valves
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Flanges
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Flanges

Price: by request
In stock: by request
Price: by request
In stock: by request
Price: by request
In stock: by request
Price: by request
In stock: by request
Price: by request
In stock: by request
Price: by request
In stock: by request
Price: by request
In stock: by request
Price: by request
In stock: by request
Price: by request
In stock: by request
Price: by request
In stock: by request
Price: by request
In stock: by request
Price: by request
In stock: by request
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Flanges. Image

A flange is a flat metal connector on the ends of pipes, shafts, containers and industrial valves.

Flat, steel welded flanges constructed in accordance with GOST 12820-80 are designed to connect pipelines with operating temperatures from -70ºC to +300ºC. They are capable of withstanding nominal pressure from 0.1 MPa to 2.5 MPa (from 1 kgf/cm² to 25 kgf/cm²). Flat steel welded flanges are manufactured with different versions of sealing surfaces: flat, male-and-female, tongue-and-groove and ring-type joint. Connection dimensions and the size of the sealing surfaces must conform to the requirements of GOST 12815-80. Technical requirements, material of the flanges, fastenings and gaskets as well as marking, packing and shipment conditions are consistent with GOST 12816-80.

Raised face, welded, steel flanges constructed in accordance with GOST 12821-80 are designed to connect pipelines with operating temperatures from -70ºC to +450ºC. They can withstand nominal pressures from 0.1 MPa to 20 MPa (from 1 kgf/cm² to 200 kgf/cm²). Raised face welded flanges are manufactured with all versions of sealing surfaces. Flanges intended for use in high pressure conditions (nominal pressure 10, 16, 20 MPa (100, 160, 200 kgf/cm²)) cannot be constructed with a flat sealing surface.

Connection dimensions and the size of the sealing surfaces must conform to the requirements of GOST 12815-80. The technical requirements — material of flanges, fastenings and gaskets as well as marking, packing and shipment — should be consistent with GOST 12816-80.

Steel loose flanges with welded rings constructed in accordance with GOST 12822-80 are designed to connect pipelines with operating temperatures from -30ºC to +300ºC. They are capable of withstanding nominal pressure from 0.1 MPa to 2.5 MPa (from 1 kgf/cm² to 25 kgf/cm²). Welded rings are manufactured with flat and male-and-female sealing surfaces. Connection dimension and size of sealing surfaces must conform to the requirements of GOST 12815-80. Technical requirements, material of flanges, fastenings and gaskets as well as marking, packing and shipment are consistent with GOST 12816-80.

PromArm supplies flanges constructed in accordance with international standards EN 1092, ANSI/ASME B 16.5, ANSI/ASME B 16.47, API6A.

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