Teflon PTFE Bellow Seals T91 with Corrosion Resistance for WB2

Performance Capabilities of Teflon PTFE Bellow Seals T91

• Temperature: 120℃ max.
• Pressure: Up to 0.5 bar
• Speed: Up to 10 m/s
• End play/axial float allowance ±0.1mm

Sizes of Teflon PTFE Bellow Seals T91

Materials Combination of Teflon PTFE Bellow Seals T91

• Face: PTFE glass fiber, Carbon, SiC, TC
• Seat: Ceramic, SiC, TC
• Bellow: PTFE
• Spring: SS316, Hastelloy C
• Metal parts: SS304, SS316

Specification of Teflon PTFE Bellow Seals T91

PTFE Bellow Mechanical Seals by Size	d	D	D1	D2	L1	L2	L3
T91B-1"	25.4	60	54	42.86	8	45	4.8
T91B-1 1/8"	28.6	67	60	46.03	11	45	8.0
T91B-1 1/4"	31.75	69	65	50.8	11	45	8.0
T91B-1 3/8"	34.93	72	68	53.98	11	45	8.0
T91B-1 1/2"	38.1	76	71	57.15	11	45	8.0
T91B-1 5/8"	41.28	80	78	63.5	11	45	8.0
T91B-1 3/4"	44.45	84	81	66.68	11	46	8.0
T91B-1 7/8"	47.63	86	84	69.85	11	46	8.0
T91B-2"	50.8	90	87	73.03	14.3	46	9.5
T91B-2 1/8"	53.98	95	97	79.38	14.3	46	9.5
T91B-2 1/4"	57.15	98	100	82.55	14.3	46	9.5
T91B-2 3/8"	60.3	100	103	85.73	14.3	46	9.5

Design Drawing of Teflon PTFE Bellow Seals T91