QILONG VALVE
8 years is a customer focused company based on “Value-Add” and quality Service’principles

Design Features:
(1) 2-part rising stem with outside roll-formed thread; stem coupling with bellows anti-torque device and position indicator;
(2) Full size safety gland packing made of pure graphite; can also be supplied in PTFE on request;
(3) Metal back seat with stroke limiter in open position and bellows anti-vibration device;
(4) Multiple wall, fully flushed stainless steel bellows, secured against torsion, designed for 8,000 cycles; fully welded
(5) Stainless steel grooved bonnet gasket coated by pure graphite, mounted in tongue and grooved bonnet flanges
(6) Swivel Conical shaped plug or flat disc made of hardened chromium steel AISI 420 or reinforced with stellite 6; body seat hard faced with stainless steel AISI 307 or stellite 21.
Main parts materials
|
NO. |
Part name |
Material |
|
1 |
Body |
ASTM A216-WCB ASTM A351-CF8、CF8M、CF3、CF3M |
|
2 |
Disc |
ASTM A182-Gr.F6a ASTM A182-F22 ASTM A182-F304、F316、F321、F304L、F316L |
|
3 |
Split ring |
ASTM A182-Gr.F6a ASTM A182-F22 ASTM A182-F304、F316、F321、F304L、F316L |
|
4 |
Disc bushing |
ASTM A182-Gr.F6a ASTM A182-F22 ASTM A182-F304、F316、F321、F304L、F316L |
|
5 |
Stem |
ASTM A182-Gr.F6a ASTM A182-F22 ASTM A182-F304、F316、F321、F304L、F316L |
|
6 |
Gasket |
Flexible graphite stainless steel、PTFE |
|
7 |
Bonnet |
ASTM A216-WCB ASTM A351-CF8、CF8M、CF3、CF3M |
|
8 |
Bellow assemble |
ASTM A182-F304、F316、F321、F304L、F316L |
|
9 |
Packing |
Flexible graphite、PTFE |
|
10 |
Gland |
ASTM A216-WCB ASTM A315-CF8、CF8M、CF3、CF3M |
|
11 |
Yoke nut |
ZQA19-4 |
|
12 |
Hand wheel |
ASTM A536 Gr.60-40-18、A216-WCB |
|
13 |
Guiding piece |
45、WCB、304、316、304L、316L |
|
14 |
Bolt |
ASTM A193-B7、A193-B8、A193-B8M |
|
15 |
Nut |
ASTM A194-2H、A194-8、A194-8M |
Main dimension and weight
|
Pressure |
150LB |
|||||||||||||||
|
Size |
mm |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
|
in |
1/2 |
3/4 |
1 |
1 1/4 |
1 1/2 |
2 |
2 1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
|
|
L |
108 |
117 |
127 |
140 |
165 |
203 |
216 |
241 |
292 |
356 |
406 |
495 |
622 |
698 |
787 |
|
|
H |
241 |
241 |
241 |
280 |
286 |
368 |
387 |
400 |
457 |
520 |
609 |
698 |
762 |
876 |
990 |
|
|
W |
120 |
140 |
140 |
180 |
200 |
220 |
260 |
280 |
300 |
320 |
340 |
400 |
450 |
450 |
450 |
|
|
Weight |
4 |
5 |
6 |
10 |
13 |
18 |
30 |
35 |
55 |
75 |
104 |
200 |
300 |
390 |
610 |
|
|
Pressure |
300LB |
|||||||||||||||
|
Size |
mm |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
|
in |
1/2 |
3/4 |
1 |
1 1/4 |
1 1/2 |
2 |
2 1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
|
|
L |
152 |
178 |
203 |
215 |
229 |
267 |
292 |
318 |
356 |
400 |
444 |
559 |
622 |
711 |
762 |
|
|
H |
241 |
241 |
283 |
320 |
322 |
399 |
438 |
450 |
584 |
610 |
660 |
762 |
850 |
1085 |
1187 |
|
|
W |
120 |
140 |
140 |
180 |
200 |
220 |
260 |
280 |
300 |
320 |
340 |
400 |
450 |
450 |
450 |
|
|
Weight |
6 |
7 |
10 |
15 |
20 |
25 |
30 |
52 |
88 |
115 |
160 |
259 |
420 |
595 |
876 |
|
Main parts materials
|
Pressure |
600LB |
|||||||||||||||
|
Size |
mm |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
|
in |
1/2 |
3/4 |
1 |
1 1/4 |
1 1/2 |
2 |
2 1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
|
|
L |
165 |
190 |
216 |
229 |
241 |
292 |
330 |
356 |
432 |
508 |
559 |
660 |
787 |
838 |
889 |
|
|
H |
240 |
280 |
320 |
320 |
390 |
430 |
480 |
508 |
635 |
750 |
914 |
1016 |
1219 |
1330 |
1560 |
|
|
W |
140 |
140 |
160 |
160 |
180 |
180 |
250 |
250 |
350 |
400 |
450 |
500 |
600 |
720 |
760 |
|
|
Weight |
7 |
10 |
16 |
22 |
29 |
35 |
50 |
90 |
150 |
230 |
300 |
510 |
850 |
1120 |
1400 |
|
|
Pressure |
900LB |
|||||||||||||||
|
Size |
mm |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
|
in |
1/2 |
3/4 |
1 |
1 1/4 |
1 1/2 |
2 |
2 1/2 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
|
|
L |
229 |
229 |
254 |
279 |
305 |
368 |
419 |
381 |
457 |
559 |
610 |
737 |
838 |
965 |
1029 |
|
|
H |
280 |
330 |
350 |
430 |
508 |
569 |
430 |
635 |
774 |
860 |
1040 |
1330 |
1560 |
1650 |
1780 |
|
|
W |
160 |
160 |
180 |
180 |
250 |
250 |
320 |
350 |
450 |
550 |
600 |
720 |
760 |
820 |
890 |
|
|
Weight |
10 |
16 |
23 |
37 |
49 |
65 |
75 |
120 |
200 |
350 |
410 |
790 |
1300 |
1500 |
1800 |
|