Swing check valve - L 10.1 117-510(210) PN 10



Installation
Valve can be installed either into horizontal or vertical position.
In vertical pipeline disc must be in upper position and flow
direction must be upwards. Medium flow must be as per the
arrow on the body.

Control
Self-acting by the pressure of working medium on the valve disc
which in the closed position avoids reverse flow of medium.

Accessories
Valves can be delivered with the by-pass, de-aerating and
cleaning plug.

Application
Self-acting valve preventing from reflux of
transported medium. It is used for water,
steam, gases and other non-aggressive liquids
for working pressures and temperatures:


Swing check valve is not a shut-off valve. If
tightness is required, shut-off valve must be
also inserted into the pipeline.

Technical description
Swing check valve is a full bore valve. Disc
fits on the seat sealing surface and is carried in
an arm revolving on a special hinge pin. Body
and seat sealing surfaces are welded on. Disc
is pushed to the sealing surfaces during the
reverse flow.

Connection
Flanges as per ÈSN 131060 & 131061
(DIN 2501) and DIN 2526, Form C.
Butt-weld ends dimensions as per
ÈSN 131075. Face-to-face dimensions as per
ÈSN EN 558 (DIN 3202). Basic connecting
dimensions are given in the table.

Materials
Body, bonnet, disc
- 510 carbon cast steel (GS-C25)
- 210 alloy cast steel (DIN 1.7357)
Pin stainless steel (13Cr)
Sealing surfaces welded overlay (13Cr)

Testing
Swing check valve is tested as per DIN 3230,
(ÈSN 133060, part 2).


Go to
WWW Intersigma Indusrial a.s.