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| Non
Returns Valves / Check Valve |
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| Non-return
Valves are
usually
automatic in
operation,
the Pressure
of the
flowing in
one
direction
opens the valves disc
and the
reverse flow
along with
the weight
of the disc
cuts of the
flow. |
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| Non-return
Valves can
be divide
into four
different
type of
category.
Horizontal
Non-return
valves,
Vertical
Non-return
valves, Flap
type check
valves,
Swing check
valves. |
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| Size |
: |
8mm
to 300mm |
| Pressure
Rating |
: |
150#,
300#, 600# |
| Material
of Construction |
: |
Bar
stock in carbon
steel (EN8) or
stainless steel (304,
316, 304L, 316L, 321)
Casting in carbon
steel (ASTM A 216 Gr.
WCB), Stainless Steel
(ASTM A 315 Gr. CF8,
CF8M, CF3, CF3M, CF8C,
DIN 4136) |
| End
Connection |
: |
Screwed
to BSP, NPT, BSPT, for
size 15mm to 80mm,
Flanged to ANSI, DIN or
BS for sizes 15 mm to
300 mm, socket weld to
ANSI B 16.11 for sizes
15mm to 80 mm. Butt
Weld to ANSI B 16.25
for sizes 15 mm to 300
mm. |
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