Butt-Weld 3-Piece Spring Check Valve

ASTM A351 CF8M 316 Stainless Steel construction.
316 Stainless Steel Spring.
3-Pce Bolt together body construction.
PTFE Body Seals, Metal Seat.
63 bar (1000 psi) pressure rated.
-25 / +180 deg C Temp rated.
Butt-Weld end connections to suit Nominal Bore Pipe (can be machined to suit Metric Pipe).
UKCA & CE marked (from 1.1/4”).

Low "Cracking Pressures", see table below.

The 3-pce body construction allows the valve to be maintained.

We are able to offer full material certification to EN 10204 3.1.

Available stock size range: 1/2” - 2” (other sizes on Factory delivery)

Also available with BSP Screwed and Socket Weld Nominal Bore End Connections

Minimum Opening Spring Pressures (Spring Cracking Pressures)

Size	1/2"	3/4"	1"	1.1/4"	1.1/2"	2"
Cracking Pressure mbar	22-30	22-30	22-30	24-32	24-32	24-32
Cv	5.7	10.3	13.11	24.2	33.8	46.7
Kv	4.9	8.8	11.2	20.7	29	40
Weight Kg	0.3	0.43	0.61	1	1.32	2.14

Please note that no alternative spring ranges are available for this model of Check Valve.

Additional Information: