Teflon (PTFE) Flanges Manufacturer

Z-Lok is a Teflon (PTFE) Flanges Manufacturer providing precision-engineered flanges for reliable and secure piping connections. PTFE flanges offer excellent chemical resistance, low friction, and dependable performance in demanding environments. They are suitable for chemical processing, pharmaceutical, laboratory, instrumentation, and industrial piping applications.

Specification list of Teflon (PTFE) Flanges

SIZE	1/2″ TO 12″
FLANGE CONNECTION	ANSI B 16.5
FACE TO FACE	ANSI B 16.10
PRESSURE CLASS	150#, 300#, 600#, 900#, 1500#, 2500#
TYPES	SORF, THREADED, FLANGE TO TUBE
CENTER THREAD	NPT, BSPP, BSPT, METRIC
MATERIAL	VIRGIN PTFE / TEFLON

PTFE Flange

PTFE 150 CLASS FLANGE

PTFE ANSI FLANGE

PTFE FLANGE WITH CONNECTOR

PTFE FLANGE

PTFE FLOW CELL

PTFE THREADED FLANGE

TEFLON FLANGE

TEFLON THREADED FLANGE

PTFE Teflon Flange Size

NOMINAL BORE				THICKNESS (X)	ØB	R/F 1	R/F 2	LINER THICKNESS
NB1		NB2		THICKNESS (X)	ØB	R/F 1	R/F 2	LINER THICKNESS
(MM)	(INCHES)	(MM)	(INCHES)	(MM)	(MM)	(MM)	(MM)	(MM)
40	1.5	25	1	35	127.0	73	51	5.0
50	2	25	1	35	152.4	92	51	5.0
50	2	40	1.5	35	152.4	92	73	5.0
65	2.5	25	1	35	177.8	105	51	5.0
65	2.5	40	1.5	35	177.8	105	73	5.0
65	2.5	50	2	35	177.8	105	92	5.0
80	3	25	1	45	190.5	127	51	5.0
80	3	40	1.5	45	190.5	127	73	5.0
80	3	50	2	45	190.5	127	92	5.0
100	4	25	1	45	228.6	157	51	5.0
100	4	40	1.5	45	228.6	157	73	5.0
100	4	50	2	45	228.6	157	92	5.0
100	4	80	3	45	228.6	157	127	5.0
125	5	25	1	45	254.0	186	51	5.0
125	5	40	1.5	45	254.0	186	73	5.0
125	5	50	2	45	254.0	186	92	5.0
125	5	80	3	45	254.0	186	127	5.0
125	5	100	4	45	254.0	186	157	5.0
150	6	25	1	54	279.4	216	51	5.0
150	6	40	1.5	54	279.4	216	73	5.0
150	6	50	2	54	279.4	216	92	5.0
150	6	80	3	54	279.4	216	127	5.0
150	6	100	4	54	279.4	216	157	5.0
200	8	25	1	54	342.9	270	51	5.0
200	8	40	1.5	54	342.9	270	73	5.0
200	8	50	2	54	342.9	270	92	5.0
200	8	80	3	54	342.9	270	127	5.0
200	8	100	4	54	342.9	270	157	5.0
200	8	150	6	54	342.9	270	216	5.0
250	10	25	1	54	406.4	324	51	4.5
250	10	40	1.5	54	406.4	324	73	4.5
250	10	50	2	54	406.4	324	92	4.5
250	10	80	3	54	406.4	324	127	4.5
250	10	100	4	54	406.4	324	157	4.5
250	10	150	6	54	406.4	324	216	4.5
250	10	200	8	54	406.4	324	270	4.5
300	12	25	1	54	482.6	381	51	4.5
300	12	40	1.5	54	482.6	381	73	4.5
300	12	50	2	54	482.6	381	92	4.5
300	12	80	3	54	482.6	381	127	4.5
300	12	100	4	54	482.6	381	157	4.5
300	12	150	6	54	482.6	381	216	4.5
300	12	200	8	54	482.6	381	270	4.5
300	12	250	10	54	482.6	381	324	4.5

PTFE Ansi Flange Dimensions

Dimensions of ASME B16.5 – class 150 Lbs Flange

							Drilling
Nominal Bore	Dia.(D)	Thick.(E)	Dia.(F)	Dia.(B)	Dia.(A)	Height1(H)	Nbr	Holes	Dia.(C)
1/2″	90	9.6	35.05	30	22.2	14	4	15.87	60.3
3/4″	100	11.2	42.93	38	27.7	14	4	15.87	69.9
1″	110	12.7	50.80	49	34.5	16	4	15.87	79.4
1 1/4″	115	14.3	63.50	59	43.2	19	4	15.87	88.9
1 1/2″	125	15.9	73.15	65	49.5	21	4	15.87	98.4
2″	150	17.5	91.95	78	61.9	24	4	19.05	120.7
2 1/2″	180	20.7	104.65	90	74.6	27	4	19.05	139.7
3″	190	22.3	127.00	108	90.7	29	4	19.05	152.4
3 1/2″	215	22.3	139.70	122	103.4	30	8	19.05	177.8
4″	230	22.3	157.22	135	116.1	32	8	19.05	190.5
5″	255	22.3	185.67	164	143.8	35	8	22.22	215.9
6″	280	23.9	215.90	192	170.7	38	8	22.22	241.3
8″	345	27.0	269.75	246	221.5	43	8	22.22	298.5
10″	405	28.6	323.85	305	276.2	48	12	25.40	362.0
12″	485	30.2	381.00	365	327.0	54	12	25.40	431.8
14″	535	33.4	412.75	400	359.2	56	12	28.57	476.3
16″	595	35.0	469.90	457	410.5	62	16	28.57	539.8
18″	635	38.1	533.40	505	461.8	67	16	31.75	577.9
20″	700	41.3	584.20	559	513.1	71	20	31.75	635.0
24″	815	46.1	692.15	663	616.0	81	20	34.92	74

1,6mm raised face not included in the E & H dimensions

Dimensions of ASME B16.5 – class 300 Lbs Flange


Nominal Bore	Dia.(D)	Thick.(E)	Dia.(F)	Dia.(B)	Dia.(A)	Height1(H)	Nbr	Holes	Dia.(C)
1/2″	21.3	12.7	35.05	38	22.2	21	4	15.87	66.7
3/4″	26.7	14.3	42.93	48	27.7	24	4	19.05	82.6
1″	33.4	15.9	50.80	54	34.5	25	4	19.05	88.9
1 1/4″	42.2	17.5	63.50	64	43.2	25	4	19.05	98.4
1 1/2″	48.3	19.1	73.15	70	49.5	29	4	22.22	114.3
2″	60.3	20.7	91.95	84	61.9	32	8	19.05	127.0
2 1/2″	73.0	23.9	104.65	100	74.6	37	8	22.22	149.2
3″	88.9	27.0	127.00	117	90.7	41	8	22.22	168.3
3 1/2″	101.6	28.6	139.70	133	103.4	43	8	22.22	184.2
4″	114.3	30.2	157.22	146	116.1	46	8	22.22	200.0
5″	141.3	33.4	185.67	178	143.8	49	8	22.22	235.0
6″	168.3	35.0	215.90	206	170.7	51	12	22.22	269.9
8″	219.1	39.7	269.75	260	221.5	60	12	25.40	330.2
10″	273.0	46.1	323.85	321	276.2	65	16	28.57	387.4
12″	323.8	49.3	381.00	375	327.0	71	16	31.75	450.8
14″	355.6	52.4	412.75	425	359.2	75	20	31.75	514.4
16″	406.4	55.6	469.90	483	410.5	81	20	34.92	571.5
18″	457.0	58.8	533.40	533	461.8	87	24	34.92	628.6
20″	508.0	62.0	584.2td>	587	513.1	94	24	34.92	685.8
24″	610.0	68.3	692.15	702	616.0	105	24	41.27	812.8

1,6mm raised face not included in the E & H dimensions

Dimensions of ASME B16.5 – class 600 Lbs Flange

							Drilling
Nominal Bore	Dia.(D)	Thick.(E)	Dia.(F)	Dia.(B)	Dia.(A)	Height1(H)	Nbr	Holes	Dia.(C)
1/2″	21.3	14.3	35.05	38	22.2	22	4	15.87	66.7
3/4″	26.7	15.9	42.93	48	27.7	25	4	19.05	82.6
1″	33.4	17.5	50.80	54	34.5	27	4	19.05	88.9
1 1/4″	42.2	20.7	63.50	64	43.2	29	4	19.05	98.4
1 1/2″	48.3	22.3	73.15	70	49.5	32	4	22.22	114.3
2″	60.3	25.4	91.95	84	61.9	37	8	19.05	127.0
2 1/2″	73.0	28.6	104.65	100	74.6	41	8	22.22	149.2
3″	88.9	31.8	127.00	117	90.7	46	8	22.22	168.3
3 1/2″	101.6	35.0	139.70	133	103.4	49	8	25.40	184.2
4″	114.3	38.1	157.22	152	116.1	54	8	25.40	215.9
5″	141.3	44.5	185.67	189	143.8	60	8	28.57	266.7
6″	168.3	47.7	215.90	222	170.7	67	12	28.57	292.1
8″	219.1	55.6	269.75	273	221.5	76	12	31.75	349.2
10″	273.0	63.5	325.85	343	276.2	86	16	34.92	431.8
12″	323.8	66.7	381.00	400	327.0	92	20	34.92	489.0
14″	355.6	69.9	412.75	432	359.2	94	20	38.10	527.0
16″	406.4	76.2	469.90	495	410.5	106	20	41.27	603.2
18″	457.0	82.6	533.40	546	461.8	117	20	44.45	654.0
20″	508.0	88.9	584.20	610	513.1	127	24	44.45	723.9
24″	610.0	101.6	692.15	718	616.0	140	24	50.80	838.2