Butterfly Valve (Wafer Type)

Specifications

Confirmed at quote

Size Range: NPS 2" - NPS 48"
Pressure Class: Class 150, Class 300
End connection: Wafer 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
Bolt
Compression Plate
Disc
Flange Gland
Nut
Packing
Sealing Ring
Stem

Dimensions per size(21 sizes)

Size	L	150LB D1	150LB D2	H1	H2	N_bolt_size	150LB Do	300LB D1	300LB D2	300LB Do	Weight
NPS 2"	43 mm	120.5 mm	92 mm	285 mm	100 mm	4 mm	145 mm	—	—	—	—
NPS 2-1/2"	46 mm	139.5 mm	105 mm	295 mm	110 mm	4 mm	145 mm	—	—	—	—
NPS 3"	48 mm	152.5 mm	127 mm	500 mm	190 mm	8 mm	145 mm	168.5 mm	127 mm	290 mm	—
NPS 4"	54 mm	190.5 mm	157 mm	565 mm	235 mm	8 mm	145 mm	200 mm	157 mm	320 mm	—
NPS 5"	54 mm	216 mm	186 mm	435 mm	165 mm	8 mm	290 mm	—	—	—	—
NPS 6"	59 mm	241.5 mm	216 mm	665 mm	280 mm	12 mm	290 mm	270 mm	216 mm	380 mm	—
NPS 8"	73 mm	298.5 mm	270 mm	700 mm	320 mm	12 mm	290 mm	330 mm	270 mm	380 mm	—
NPS 10"	83 mm	362 mm	324 mm	740 mm	335 mm	16 mm	290 mm	387.5 mm	324 mm	380 mm	—
NPS 12"	92 mm	432 mm	381 mm	790 mm	390 mm	16 mm	320 mm	451 mm	381 mm	380 mm	—
NPS 14"	117 mm	476.5 mm	413 mm	920 mm	415 mm	20 mm	320 mm	514.5 mm	413 mm	380 mm	—
NPS 16"	133 mm	540 mm	470 mm	940 mm	485 mm	20 mm	380 mm	571.5 mm	470 mm	380 mm	—
NPS 18"	114 mm	578 mm	533 mm	750 mm	360 mm	16 mm	380 mm	—	—	—	—
NPS 20"	127 mm	635 mm	584 mm	865 mm	385 mm	20 mm	380 mm	—	—	—	—
NPS 24"	154 mm	749.5 mm	692 mm	930 mm	450 mm	20 mm	380 mm	—	—	—	—
NPS 26"	165 mm	806.5 mm	749 mm	955 mm	435 mm	24 mm	380 mm	—	—	—	—
NPS 28"	165 mm	863.5 mm	800 mm	985 mm	465 mm	28 mm	380 mm	—	—	—	—
NPS 30"	165 mm	914.5 mm	857 mm	1005 mm	485 mm	28 mm	380 mm	—	—	—	—
NPS 32"	190 mm	978 mm	914 mm	1045 mm	515 mm	28 mm	380 mm	—	—	—	—
NPS 36"	203 mm	1086 mm	1022 mm	1165 mm	570 mm	32 mm	480 mm	—	—	—	—
NPS 40"	216 mm	1200 mm	1124 mm	1260 mm	645 mm	36 mm	480 mm	—	—	—	—
NPS 48"	254 mm	1422.5 mm	1359 mm	1355 mm	750 mm	44 mm	480 mm	—	—	—	—

Features

Wafer-type body design for installation between flanges
Available in carbon steel (WCB) and stainless steel (CF8, CF8M) body materials
Graphite packing for stem sealing
Stainless steel + graphite sealing ring
Worm gear actuator as standard

Description

A wafer-type butterfly valve manufactured to API standards in cast steel and stainless steel variants. Available in sizes NPS 2" to 48" with pressure ratings of Class 150LB and 300LB. Suitable for industrial applications requiring bidirectional sealing with worm gear actuation.