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; | |
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 | |||||||
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.
Xi 'an YunYi instrument co., LTD. (YunYi group) its subsidiaries respectively : valve factory, pressure factory, meter factory of eight subsidiaries, such as annual sales into the billions.Xi 'an YunYi group pressure gauge factory mainly produces all kinds of pressure gauges, including precision pressure gauge, electric contact pressure gauge, explosion-proof pressure gauge, etc., in the field of pressure measurement gauge of factory products by the vast number of measuring workers also mainly include all kinds of pressure source, JY series piston type pressure gauge, pressure gauge calibration apparatus, etc Xi 'an YunYi group valve factory is the most important and largest national gate valve, globe valve, ball valve, butterfly valve, hydraulic control valves such as general supplier of valve.In petroleum, chemical industry, metallurgy, electric power, building, heating, water supply and other industries with high visibility and influence.Products have been in short supply, precision casting, hot forging, heat treatment, welding, metal cutting processing, machining, assembly, performance test and so on more than ten workshop;With forging casting practice, special valves, three big series more than one thousand specifications varieties best-selling products at home and abroad market Xi 'an YunYi corp. 's operating the xi 'an instrument main instrument is committed to providing more information to provide one-stop solution for prerequisite.
OEM & Customize
We support OEM service, you can make goods according to your samples , color, material and so on for the custom.
Online Service
It is a twenty-four-hour service that allows you to send information at any time of the day or night.we will reply within 12 hours.
Design Team
we have design team to make customized products , you can send your samples or drawing to us and our team will make samples for you . also we can design products according to your description.
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