PTFE Joint Sleeves

PTFE Thin Wall Joint Sleeves

PTFE Rigid Joint Sleeves

PTFE Joint Adapters

PTFE Thin Wall Joint Sleeves

Thin Wall Joint Sleeves are inserted between standard taper ground glass joints to eliminate the use of grease and prevent sticking. Sleeves have a wall thickness of about 0.05mm and will withstand low to medium vacuum.

Full Length "A" Type

Product number	Joint Size
019.007	7/25
019.010	10/30
019.012	12/30
019.014.1	14/20
019.014	14/35
019.019.1	19/22
019.019	19/38
019.024	24/10
019.029	29/42
019.034	34/45
019.040	40/50
019.045	45/50
019.050	50/50
019.055	55/50
019.060	60/50
019.070	71/60

Medium Length "B" Type

Product number	Joint Size
019.107	7/16
019.110	10/19
019.112	12/21
019.114	14/23
019.119	19/26
019.124	24/29
019.129	29/32
019.134	34/35
019.140	40/38
019.145	45/40
019.150	50/42
019.155	55/44
019.160	60/46
019.170	71/51

PTFE Rigid Joint Sleeves

Rigid Sleeves and Joint Adapters are grease-free, high vacuum seals for standard taper ground glass joints, with substantial shoulder for ease of handling and repeated use. High vacuum performance (leakage rate is less than 1 x 10-4 torr, litre, sec.-1) is attained using transverse sealing rings. Wall thickness of rigid sleeves is 0.5mm.

A COWIE® Original Patent

Full Length "A" Type

Product number	Joint Size
020.110	10/30
020.114.1	14/20
020.119.1	19/22
020.124	24/40
020.129	29/42
020.134	34/45
020.145	45/50
020.155	55/50

Medium Length "B" Type

Product number	Joint Size
020.010	10/19
020.014	14/23
020.019	19/26
020.024	24/29
020.029	29/32
020.034	34/35
020.040	40/38
020.045	45/40
020.055	55/44

PTFE Joint Adapters

Easy way to connect different sized tapers

Full Length "A" Type

Product number	Socket Size	Cone Size
021.01014	10/30	14/35
021.01019	10/30	19/38
021.01419	14/35	19/38
021.01424	14/35	24/40
021.01924	19/38	24/40
021.01929	19/38	29/42
021.01934	19/38	34/45
021.02429	24/40	29/42
021.02434	24/40	34/45
021.02445	24/40	45/50
021.02934	29/42	34/45
021.02945	29/42	45/50
021.03445	34/45	45/50

Medium Length "B" Type

Product number	Socket Size	Cone Size
021.1014	10/19	14/23
021.1019	10/19	19/26
021.1419	14/23	19/26
021.1424	14/23	24/29
021.1924	19/26	24/29
021.1929	19/26	29/32
021.1934	19/26	34/35
021.2429	24/29	29/32
021.2434	24/29	34/35
021.2445	24/29	45/40
021.2934	29/32	34/35
021.2945	29/32	45/40
021.3445	34/35	45/40