Swing check valve L10.2

Swing check valves for high pressure L10.2, pressure seal bonnet, sizes from DN50 to DN300, pressure up to PN400, working temperature up to 650°C, according to the requirements of European Directive 2014/68/EU for pressure equipment.

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Application

Working medium: water, water steam (over-heated steam) and other non-aggressive liquids and gasses.
Application: power and chemical industry.

Technical description

Swing check valve L10.2 is designed with a monolithic body, inside which the pressure seal bonnet is located.
The body, the disc and most leading parts are made from forgings and rolled material.
The seats of body and disc are welded with wear-resistant, hard alloy material (type Stellite 6).
The disc is made of material corresponding to the steel body.
The connection of swing check valve L10.2 is according to EN, DIN, ANSI (ASME), GOST implemented by:
- butt weld type „BW”;
- with flanged ends.
The control of the welded joints is performed by ultrasonic or X-ray analysis.
The operation of swing check valve L10.2 is automatic.
The tests of swing check valve L10.2 are carried out in accordance with EN12266-1,2 or according to the working conditions and customer’s requirements.
The swing check valves L10.2 can be installed in any position, and the installation must be considered with the marking (arrow) showing the direction of the flow (working medium).

Swing check valve L10.2 has pressure seal design.
Monolythic disc - strength, stability and wear resistance.
Long service life compared to the bolted bonnet models.
Swing check valve L10.2 is a full-bore valve, ensuring the free flow of the fluid flow.