SF Series
The VELAN® SF Series steam trap is used for intermediate capacity applications such as drip legs and steam separators, and economically combines steam trap, check valve and strainer (with optional blow-off valve) in a small profile with a convenient 6-bolt cover for easy maintenance.
A105 Carbon Steel
Pressure Ranges:
0-50 psig
0-150 psig
0-300 psig
0-400 psig
0-600 psig
Size Ranges:
1/2"
3/4"
1"
Standard Connections:
Socket weld
Threaded
Butt weld
Flanged
Features and Benefits
Forged A105 carbon steel body and cover.
WILL NOT PLUG due to copper and iron oxides in the system. Condensate flashes on the discharge side of the orifice.
Self draining - WILL NOT FREEZE when installed in gravity draining position.
The advanced cage unit design in Velan steam traps combines a bimetal element, hardened Rc 58 min. ball valve and STELLITE6® hardfaced seat area all in one factory-tested unit.
Maximum body Design condition: ANSI/ASME class 300 (B7)
Discharges hot condensate in a modulating fashion at approximately 18ºF (10ºC) below saturation temperature throughout the operating range. One internal element for all pressure ranges.
Can be installed in any position.
Automatically vents air and non-condensable gases and has a high (7:1) cold water capacity for rapid start-up.
Pressure assisted fail-open design.
Unaffected by water hammer or superheat.
Operates with ZERO STEAM LOSS throughout its operating range saving steam and money during the life of the trap.
Internal stainless steel strainer, with optional blow-off valve.
