W20 Single spring mechanical seals replace Vulcan Diaphragm Mechanical Seals Type 20

Product Detail

Features

•Resilient single spring, rubber Diaphragm Seal •Supplied with a Type 20 boot-mounted stationary as standard •Designed to suit original common UK housing sizes.

Operating ranges

•Temperature: -30°C to +150°C •Pressure: Up to 8 bar (116 psi) •For full Performance Capabilities please download data sheet Limits are for guidance only. Product performance is dependent on materials and other operating conditions. d stationary to fit same housing sizes and working lengths.

Combination Materials:

Stationary Ring: Ceramic/Carbon/SIC/SSIC/TC Rotary Ring: Ceramic/Carbon/SIC/SSIC/TC Secondary Seal: NBR/EPDM/Viton Spring and Punched Parts:SS304/SS316

W20 data sheet of dimension(mm)

Size/Metric	D3	D31	D7	L4	L3
10	22.95	20.50	24.60	8.74	25.60
11	23.90	22.80	27.79	8.74	25.60
12	23.90	24.00	27.79	8.74	25.60
13	26.70	24.20	30.95	10.32	25.60
14	26.70	26.70	30.95	10.32	25.60
15	26.70	26.70	30.95	10.32	25.60
16	31.10	30.40	34.15	10.32	25.60
18	31.10	30.40	34.15	10.32	25.60
19	33.40	30.40	35.70	10.32	25.60
20	33.40	33.40	37.30	10.32	25.60
22	39.20	33.40	40.50	10.32	25.60
24	39.20	38.00	40.50	10.32	25.60
25	46.30	39.30	47.63	10.32	25.60
28	49.40	42.00	50.80	11.99	33.54
30	49.40	43.90	50.80	11.99	33.54
32	49.40	45.80	53.98	11.99	33.54
33	52.60	45.80	53.98	11.99	33.54
35	52.60	49.30	53.98	11.99	33.54
38	55.80	52.80	57.15	11.99	33.54
40	62.20	55.80	60.35	11.99	33.54
42	66.00	58.80	63.50	11.99	40.68
43	66.00	58.80	63.50	11.99	40.68
44	66.00	58.80	63.50	11.99	40.68
45	66.00	61.00	63.50	11.99	40.68
48	66.60	64.00	66.70	11.99	40.68
50	71.65	66.00	69.85	13.50	40.68
53	73.30	71.50	73.05	13.50	41.20
55	78.40	71.50	76.00	13.50	41.20
58	82.00	79.60	79.40	13.50	41.20
60	82.00	79.60	79.40	13.50	41.20
63	84.90	81.50	82.50	13.50	41.20
65	88.40	84.60	92.10	15.90	49.20
70	92.60	90.00	95.52	15.90	49.20
73	94.85	92.00	98.45	15.90	49.20
75	101.90	96.80	101.65	15.90	49.20