China supplier high performance stainless steel butterfly valve, motorized butterfly valve
Materials sheet for selection |
|
Part Name |
Materials |
Body |
Cast Iron: ASTM A126CL. B , DIN1691 GG25, EN 1561 EN-GJL-200, GB12226 HT200; |
Ductile Cast Iron: ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15, GB12227 QT450-10; |
|
Stainless Steel: ASTM A351 CF8, CF8M, CF3, CF3M; |
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Carbon Steel: ASTM A216 WCB |
|
Stem |
Zinc Plated Steel; |
Stainless Steel: ASTM A276 Type 316, Type 410, Type 420, ASTM A582 Type 416; |
|
Taper Pin |
Stainless Steel: ASTM A276 Type 304, Type 316, EN 1.4501; |
Seat |
NBR, EPDM, Neoprene, PTFE, Viton; |
Disc |
Ductile Cast Iron (Nickel plated): ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15, GB12227 QT450-10; |
Stainless Steel: ASTM A351 CF8, CF8M, CF3, CF3M, EN 1.4408, 1.4469; 1.4501; |
|
AL-Bronze: ASTM B148 C95400; |
|
O-Ring |
NBR, EPDM, Neoprene, Viton; |
Bushing |
PTFE, Nylon, Lubricated Bronze; |
Key |
Carbon Steel |
This buyer can select material as per materials list. The customer may mark the material and temperature used, Our company may select instead. When the medium and temperature is special, please consult with our company. |
Seat Temperature Ratings |
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Material |
NBR |
Neoprene |
EPDM |
Hypalon |
Viton |
PTFE |
|
Temperature Ratings |
°C |
-20~100 |
-40~100 |
-40~120 |
-32~135 |
-12~230 |
-50~200 |
°F |
-4~212 |
-40~212 |
-40~248 |
-25.6~275 |
10.4~446 |
-58~392 |
|
Seat materials are capable of withstanding lower temperatures without damage. However, the elastomer becomes hard and torques increase. Some flow media may further restrict the published temperature limits or significantly reduce seat life. |
Key Actuator Specifications and Benefits:
1. Reversing Motors, Thermal Overload Protection, 30% Duty rated long life.
2. Four (4) Limit switches for Motor Control and Remote Indication of End of Travel.
3. Adjustable mechanical travel stops and Local visual position indication.
4. 220 V ac, single phase standard. Additional voltages available including: 220 V dc single phase,12 V dc,
24 V dc, 24 V ac.