Valves

'A' Series Butterfly Valve

Technical features

Butt welds to Outside Diameter tube sizes
Maximum pressure 145PSI / 10Bar
Maximum working temperature 150°C (with silicone seal)
Multi-position trigger handle
Parts are interchangeable with Keystone F250 valves

Reference specifications — not a stock confirmation.
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Sizes & specifications

6 reference variants · dimensions as published

6 listed variants

Labelled dimensional drawing for 'A' Series Butterfly Valve — Dimension letters in the table correspond to this drawing. Check the stated units before specifying.

Code	Inch Size	Metric Size	Grade	A	B	C	D
SBFVA25	1"	25.4	316	154.2	83.5	69	50
SBFVA40	1 1/2"	38.1	316	154.2	88.5	79	50
SBFVA50	2"	50.8	316	154.2	101.1	94	50
SBFVA65	2 1/2"	63.5	316	154.2	101.1	104	50
SBFVA75	3"	76.2	316	185	112	124	60
SBFVA100	4"	101.6	316	190	125.5	151	70