Vacuum Adapters

Connecting • Reducing/Enlarging • Septum-Inlet • Specialty • Tubing • Vacuum

On this page: Vacuum adapters • Stopcock adapters • Transfer adapters
High-vacuum valve adapters • Gas-inlet adapters
Distilling adapters • Filtration adapters

Vacuum adapters

Inner joint with side-port

S.T. Joint	Catalog Number
14/20	Z12,239-4
19/22	Z41,565-0
24/40	Z13,705-7
29/32	Z41,566-9
34/45	Z41,567-7

Inner joint

S.T. Joint	Catalog Number
14/20	Z41,568-5
19/22	Z41,569-3
24/40	Z41,570-7
29/32	Z41,571-5
34/45	Z41,572-3

Outer joint

S.T. Joint	Catalog Number
14/20	Z20,259-2
19/22	Z41,573-1
24/40	Z20,260-6
29/32	Z41,575-8
34/45	Z41,576-6

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Stopcock adapters

Glass and PTFE stopcocks have a 2mm bore and accommodate 1/4in. i.d. tubing.
al_glassware_note8

S.T. Joint	Glass Catalog Number	PTFE Catalog Number
Straight
14/20	Z54,947-9	Z54,951-7
19/22	Z54,948-7	Z54,952-5
24/40	Z54,949-5	Z54,953-3
29/32	Z54,950-9	Z54,954-1
34/45	Z54,974-6	Z54,975-4

Side-port
14/20	Z54,956-8	Z54,960-6
19/22	Z54,957-6	Z54,961-4
24/40	Z54,958-4	Z54,962-2
29/32	Z54,959-2	Z54,963-0
34/45	Z54,976-2	Z54,977-0

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Vacuum-transfer adapters

S.T. Joint	PTFE Stopcocks	Catalog Number
14/20	2mm	Z53,025-5
19/22	2mm	Z53,026-3
24/40	4mm	Z11,574-6
29/32	4mm	Z20,333-5

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High-vacuum valve adapters

Features 0-10mm PTFE valve. For use with 1/4in. i.d. tubing.
al_glassware_note10

S.T. Joint	Catalog Number
14/20	Z54,967-3
19/22	Z54,968-1
24/40	Z54,970-3
29/32	Z54,971-1
34/45	Z54,973-8

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Gas-inlet adapters

S.T. Joints	Catalog Number
14/20	Z41,577-4
19/22	Z41,578-2
24/40	Z41,579-0
29/32	Z41,580-4

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Vacuum-distilling adapters

S.T. Joints	Catalog Number
14/20	Z12,238-6
19/22	Z53,032-8
24/40	Z22,325-5
29/32	Z22,326-3

Vacuum-distilling adapters

With side hose connection and drip-tip. Socket joint (SJ) 35/25 adapter fits standard Büchi rotary evaporator glassware. al_glassware_note11

S.T. Joints	Catalog Number
14/40	Z53,027-1
19/22	Z53,029-8
24/40	Z28,544-7
29/32	Z53,030-1
35/25	Z28,545-5

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Vacuum-filtration adapters

S.T. Joint	Flange i.d. (mm)	Catalog Number
14/20	23	Z11,561-4
24/40	31	Z11,562-2
24/40	38	Z11,563-0
29/32	31	Z20,335-1
29/32	38	Z20,337-8
*Replacement rubber adapter*
	23	Z11,595-9
	31	Z11,596-7
	38	Z11,597-5

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