Butterfly Valve Series
STANDARD MATERIALS OF MAIN PARTS
NO. |
PART |
MATERIAL |
STANDARD |
1 |
Body |
Cast Iron |
ASTM A126 CLASS B |
2 |
Seat Rings |
Cast Bronze |
ASTM B62 |
3 |
Wedge Face Rings |
Cast Bronze |
ASTM B62 |
4 |
Wedge |
Cast Iron |
ASTM A126 CLASS B |
5 |
Wedge Nut |
Cast Brass |
ASTM B62 |
6 |
Stem |
Brass |
ASTM B16 |
7 |
Body Gasket |
Graphite |
NON ASBESTOS |
8 |
Bolts |
Steel |
ASTM A307 B |
9 |
Nuts |
Steel |
ASTM A307 B |
10 |
Bonnet |
Cast Iron |
ASTM A126 CLASS B |
11 |
Gland Follower Bolts |
Steel |
ASTM A307 B |
12 |
Suffing Box Gasket |
Graphite |
ASTM A126 CLASS B |
13 |
Suffing Box |
Cast Iron |
ASTM A307 B |
14 |
Packing |
Graphite |
NON ASBESTOS |
15 |
Gland Follower |
Ductile Iron |
ASTM A536 65-45-12 |
16 |
Packing Gland |
Cast Brass |
ASTM B 584 |
17 |
Handwheel |
Cast Iron |
ASTM A126 CLASS B |
18 |
Identification Plate |
Aluminium |
|
19 |
Washer |
Steel |
ASTM A307 B |
20 |
Handwheel Nut |
Steel |
ASTM A 307 B |
DN |
L |
Dk |
D |
b |
n-d |
Do |
H |
2'' |
178 |
121 |
152 |
15.9 |
4-19 |
178 |
289 |
2.5'' |
190.5 |
140 |
178 |
17.5 |
4-19 |
178 |
323 |
3'' |
203.2 |
152.5 |
190 |
19.1 |
4-19 |
200 |
338 |
4'' |
228.6 |
190.5 |
228.6 |
23.5 |
8-19 |
254 |
411 |
5'' |
254 |
215.9 |
254 |
23.8 |
8-22 |
300 |
503 |
6'' |
266.7 |
241.3 |
279.4 |
25.4 |
8-22 |
300 |
558 |
8'' |
292 |
298.5 |
343 |
28.6 |
8-22 |
348 |
650 |
10'' |
330 |
362 |
406 |
30.2 |
12-25 |
400 |
770 |
12'' |
356 |
432 |
483 |
31.8 |
12-25 |
457 |
861 |
14'' |
381 |
476 |
533 |
35 |
12-29 |
508 |
991 |
16'' |
406 |
540 |
597 |
36.6 |
16-29 |
558 |
1058 |
18'' |
432 |
578 |
635 |
39.7 |
16-32 |
610 |
1206 |
20'' |
457 |
635 |
699 |
42.9 |
20-32 |
640 |
1276 |
24'' |
508 |
749 |
813 |
47.6 |
20-35 |
762 |
1466 |
30'' |
610 |
914 |
984 |
54 |
28-35 |
813 |
1845 |
36'' |
711 |
1086 |
1168 |
60.3 |
32-42 |
813 |
2124 |
PRESSURE TEST
Nominal Diameter |
DN25-DN1200 |
1''- 48'' |
DN25-DN1200 |
1''- 48'' |
Nominal Pressure |
1.0 Mpa |
150 Psi |
1.6 Mpa |
250 Psi |
Seal Test Pressure |
1.1 Mpa |
165 Psi |
1.76 Mpa |
275 Psi |
Shell Test Pressure |
1.5 Mpa |
225 Psi |
2.4 Mpa |
375 Psi |
Pressure Conversion |
1 Mpa=1, Bar=15Psi, PN20=Class 150 |
ISO5211 Top Flange & Shaft Data
Product Features
1. The valve structure is simple, casting letters are clear, smooth surface.
2. Light torque easy to open, it can serve long time.
3. The top flange adopts ISO5211 (it is easy to equip with electric/Pneumatic/Hydraulic actuator).
4. All parts are machined accurately, quality is much better.
5. We adopt better quality rubber seat for long service life.
6. Replaceable seat, it is easy to mend the valve.
Tianjin Newton Valve Co., Ltd is a professional valve manufacturer of rubber seat butterfly valve, wafer check valve, ball check valve, resilient seat gate valve, cast iron valves for marine, Y strainer.
We adpot advanced, efficient, careful manage system to ensure that we can produce high-quality products in time, experieced sales team, perfect after-sales support to satisfy clients.
We adheres to " Newton use science to do better valves, focus on details, continuous improvement" which makes us in an invincible position in the fierce market competition.
We believe that we will do the better quality products, supply most perfect service for you.
Q:Could you offer a free sample ?
A:We can provide free samples for you to evaluate, but you need to bear their shipping costs.
Q:Are you a facrory or trade company ?
A:We are a marine butterfly valve manufacturer, and specialize in the production and export of valves for more than ten years.
Q:Would you have a discount if l have a large order?
A:Yes we could offer different discount according to your order quantity.
Q:How will you make the shipment?
A:By sea shipment/Air/Express service.
Q4:Do you accept OEM business?
A4:Yes.We do.