API Butterfly Valve (Lug Type) Cast Steel

Specifications

Confirmed at quote

Size Range: NPS 6" - NPS 36"
Pressure Class: Class 150, Class 300
End connection: Lug ASME B16.5 / ASME B16.47

Configure your variant(manually adjust box on the right if you require a different spec)

Size
Pressure
End connection

Materials

Preconfigured setups

Offered in complete material setups. Pick one to set every part to the matched set, or choose parts individually below.

All available material options per part. Click a pill to set it in the configurator.

body
disc
stem
bushing
packing
bolt
compression plate
flange gland
lower gap
nut
sealing ring
sealing shim
snap ring

Dimensions per size(13 sizes)

Size	L	150LB D1	150LB D2	H1	H2	150LB N	150LB Do	300LB D1	300LB D2	300LB N	300LB Do	Weight
NPS 6"	59 mm	241.5 mm	216 mm	500 mm	210 mm	8 in	290 mm	270 mm	216 mm	12 in	290 mm	—
NPS 8"	73 mm	298.5 mm	270 mm	565 mm	240 mm	8 in	290 mm	330 mm	270 mm	12 in	320 mm	—
NPS 10"	83 mm	362 mm	324 mm	620 mm	275 mm	12 in	290 mm	387.5 mm	324 mm	16 in	320 mm	—
NPS 12"	92 mm	432 mm	381 mm	665 mm	310 mm	12 in	320 mm	451 mm	381 mm	16 in	380 mm	—
NPS 14"	117 mm	476.5 mm	413 mm	700 mm	350 mm	12 in	320 mm	514.5 mm	413 mm	20 in	380 mm	—
NPS 16"	133 mm	540 mm	470 mm	820 mm	380 mm	16 in	380 mm	571.5 mm	470 mm	20 in	380 mm	—
NPS 18"	149 mm	578 mm	533 mm	850 mm	415 mm	16 in	380 mm	628.5 mm	533 mm	24 in	380 mm	—
NPS 20"	159 mm	635 mm	584 mm	930 mm	450 mm	20 in	380 mm	686 mm	584 mm	24 in	380 mm	—
NPS 24"	181 mm	749.5 mm	692 mm	1005 mm	525 mm	20 in	380 mm	813 mm	692 mm	24 in	380 mm	—
NPS 28"	165 mm	863.5 mm	800 mm	965 mm	485 mm	28 in	380 mm	—	—	—	—	—
NPS 30"	165 mm	914.5 mm	857 mm	995 mm	510 mm	28 in	380 mm	—	—	—	—	—
NPS 32"	190 mm	978 mm	914 mm	1045 mm	545 mm	28 in	380 mm	—	—	—	—	—
NPS 36"	203 mm	1086 mm	1022 mm	1170 mm	610 mm	32 in	480 mm	—	—	—	—	—

Features

Lug-type body for in-line maintenance without system shut-down
Graphite packing and sealing shim
Composite sealing ring (stainless steel + graphite)
Available in WCB, CF8, CF3, CF3M, CF8M, CF8C body materials

Description

Lug-type cast steel butterfly valve designed and manufactured to API 609. Available in sizes NPS 6" to 36" and pressure classes 150LB and 300LB. Suitable for a range of body materials including carbon steel and stainless steel variants.