SPF-B Series
SPF4-7
The VELAN® SPFB Series steam trap is used for high capacity applications such as drip, process and heating, and economically combines steam trap and check valve (with optional strainer and blow-off valve) in a small profile with a convenient 4-bolt cover for easy maintenance.
A105 Carbon Steel
F22 Chrome Molly Steel
Pressure Ranges:
10-200 psig
10-350 psig
10-600 psig
10-1500 psig
Size Ranges:
1"
1 1/2"
2"
Standard Connections:
Socket weld
Threaded
Butt weld
Flanged
Features and Benefits
Forged A105 carbon steel or F22 chrome moly 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 Design condition: ANSI/ASME class 900
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.
Automatically vents air and non-condensable gases and has a high (7:1) cold water capacity for rapid start-up.
Can be installed in any position.
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.
