info@welcovalve.com
TEL: 86-577-67279881
FAX: 86-577-67279880
+86-15067717767
Skype: welcovalve
Spiral wound gasket for valve
We have supplied the spiral wound gaskets to our customer since we established. Due to long time experience in this product, our high quality spiral wound gasket for valve have meet with a favourable reception in the world.
Spiral wound gaskets type:
We have four types – Thickness (mm)
1. Basic form 3.2mm, 4.5mm
2. with inner ring 4.5mm
3. with outer ring 4.5mm
4. with inner and outer ring 4.5mm
Structure type:
Filler Hoop Inner ring Outer ring
Asbestos SS 304 Carbon steel Carbon steel
Graphite SS 316 SS 304 SS 304
PTFE SS 316L SS 316 SS 316
SS 316L SS 316L
|
|
PN2.0MPa(class150) |
PN5.0MPa(class300) |
PN11.0MPa(class600) |
T |
T1 |
||||||||||
|
NPS ( inch) |
DN |
D1 |
D2 |
D3 |
D4 |
D1 |
D2 |
D3 |
D4 |
D1 |
D2 |
D3 |
D4 |
||
|
1/2" |
15 |
14.2 |
19.1 |
31.8 |
46.5 |
14.2 |
19.1 |
31.8 |
52.5 |
14.2 |
19.1 |
31.8 |
52.5 |
4.5 |
3 |
|
3/4" |
20 |
20.6 |
25.4 |
39.6 |
56 |
20.6 |
25.4 |
39.6 |
66.5 |
20.6 |
25.4 |
39.6 |
66.5 |
||
|
1" |
25 |
26.9 |
31.8 |
47.8 |
65.5 |
26.9 |
31.8 |
47.8 |
73 |
26.9 |
31.8 |
47.8 |
73 |
||
|
1-1/4" |
32 |
38.1 |
47.8 |
60.5 |
75 |
38.1 |
47.8 |
60.5 |
82.5 |
38.1 |
47.8 |
60.5 |
82.5 |
||
|
1-1/2" |
40 |
44.5 |
54.1 |
69.9 |
84.5 |
44.5 |
54.1 |
69.9 |
94.5 |
44.5 |
54.1 |
69.9 |
94.5 |
||
|
2" |
50 |
55.6 |
69.9 |
85.9 |
104.5 |
55.6 |
69.9 |
85.9 |
111 |
55.6 |
69.9 |
85.9 |
111 |
||
|
2-1/2" |
65 |
66.5 |
82.6 |
98.6 |
123.5 |
66.5 |
82.6 |
98.6 |
129 |
66.5 |
82.6 |
98.6 |
129 |
||
|
3" |
80 |
81 |
101.6 |
120.7 |
136.5 |
81 |
101.6 |
120.7 |
148.5 |
81 |
101.6 |
120.7 |
148.5 |
||
|
4" |
100 |
106.4 |
127 |
149.4 |
174.5 |
106.4 |
127 |
149.4 |
180 |
106.4 |
120.7 |
149.4 |
192 |
||
|
5" |
125 |
131.8 |
155.7 |
177.8 |
196 |
131.8 |
155.7 |
177.8 |
215 |
131.8 |
147.6 |
177.8 |
240 |
||
|
6" |
150 |
157.2 |
182.6 |
209.6 |
221.5 |
157.2 |
182.6 |
209.6 |
250 |
157.2 |
174.8 |
209.6 |
265 |
||
|
8" |
200 |
215.9 |
233.4 |
263.7 |
278.5 |
215.9 |
233.4 |
263.7 |
306 |
209.6 |
225.6 |
263.7 |
319 |
||
|
10" |
250 |
268.2 |
287.3 |
317.5 |
338 |
268.2 |
287.3 |
317.5 |
360.5 |
260.4 |
274.6 |
317.5 |
399 |
||
|
12" |
300 |
317.5 |
339.9 |
374.7 |
408 |
317.5 |
339.9 |
374.7 |
421 |
317.5 |
327.2 |
374.7 |
456 |
||
|
14" |
350 |
349.3 |
371.6 |
406.4 |
449 |
349.3 |
371.6 |
406.4 |
484.5 |
349.3 |
362 |
406.4 |
491 |
||
|
16" |
400 |
400.1 |
422.4 |
463.6 |
513 |
400.1 |
422.4 |
463.6 |
538.5 |
400.1 |
412.8 |
463.6 |
564 |
||
|
18 |
450 |
449.3 |
474.7 |
527.1 |
548 |
449.3 |
474.7 |
527.1 |
595.5 |
449.3 |
469.9 |
527.1 |
612 |
||
|
20 |
500 |
500.1 |
525.5 |
577.9 |
605 |
500.1 |
525.5 |
577.9 |
653 |
500.1 |
520.7 |
577.9 |
682 |
||
|
22 |
550 |
552.5 |
577.9 |
635 |
659 |
552.5 |
577.9 |
635 |
704 |
552.5 |
577.9 |
635 |
733 |
||
|
24 |
600 |
603.3 |
628.7 |
685.8 |
716.5 |
603.3 |
628.7 |
685.8 |
774 |
603.3 |
628.7 |
685.8 |
790 |
||