Cast Iron Butterfly Valve
Key Specifications / Features
Cast Iron Butterfly Valve Manufacturer in China: Cast Iron Butterfly Valve, Wafer, DN25-DN1200, 1-48 Inch, Class 150 LB, API 609, BS 5155, EN 593, MSS SP-67.
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Detail Information
Body: Cast iron, ductile iron（GGG25, GGG20, GGG50）.
Disc: Ductile iron (nickel coated), GGG25, GGG20, GGG50, aluminum bronze, stainless steel.
Shaft: SS 416, SS 410, stainless steel.
Sealing: NBR, EPDM or customized.
Type Available: Wafer type.
Sizes Available: DN25-DN1200 mm (1 Inch to 48 Inch).
Pressure Range: 150 LB.
Materials Standard: API, DIN, etc.
Basic Design: API 609, BS 5155, EN 593, MSS SP-67.
Face to Face Dimension: API 609, DIN 3202K1, ISO 5752, BS 5155, EN 558.
Inspection & Testing: API 598, EN 12266-1.
Flange End Dimension: AS 2129 "D", "E", BS 10 "D" "E", JIS 5K, JIS 10K, JIS 16K, ASME B16.1, 125 LB, ASME B16.5, 150 LB, BS 4504, PN6, PN10, PN16, DIN 2501 PN6, PN10, PN16, ISO 7005, PN6, PN10, PN16.
Top Flange: ISO 5211 or customized.
Suitable Mediums: Fresh or waste water, sea water, sewage, vapor, air, oil, etc.
Suitable Temperature: -15℃ - 150℃.
The main characteristics:
1. Small in size and light in weight. Easy installation and maintenance. It can be mounted wherever needed.
2. Simple and compact construction, quick 90 degree on-off operation.
3. Minimized operating torque, energy saving.
4. Flow cure tending to straight line. Excellent regulation performance.
5. Long service life. Standing the test of tens of thousands opening/closing operations.
6. Bubbles-tight sealing with no leakage under the pressure test.
7. Wide selections of materials, applicable for various medium.
8. Stem and disc are connected by means of pinless structure with more reliable performance.
9. Disc seat and body of non backed slim-disc butterfly valve are connected by frameless structure to overcome leakage on the connecting position of flange sealing surface.
Application:
1. These products are mainly used for pipeline flow, pressure and temperature control of various industrial automation production, for example: Electricity, petrifaction, metallurgy, environmental protection, energy management, fir-fighting systems.
2. Simultaneously they have good fluid control properties, and can operate simply.
3. They are not only widely used in general industries as petroleum, coal gas, chemical engineering, water treatment, but also used in the cooling water system of thermal power plant.
Disc: Ductile iron (nickel coated), GGG25, GGG20, GGG50, aluminum bronze, stainless steel.
Shaft: SS 416, SS 410, stainless steel.
Sealing: NBR, EPDM or customized.
Type Available: Wafer type.
Sizes Available: DN25-DN1200 mm (1 Inch to 48 Inch).
Pressure Range: 150 LB.
Materials Standard: API, DIN, etc.
Basic Design: API 609, BS 5155, EN 593, MSS SP-67.
Face to Face Dimension: API 609, DIN 3202K1, ISO 5752, BS 5155, EN 558.
Inspection & Testing: API 598, EN 12266-1.
Flange End Dimension: AS 2129 "D", "E", BS 10 "D" "E", JIS 5K, JIS 10K, JIS 16K, ASME B16.1, 125 LB, ASME B16.5, 150 LB, BS 4504, PN6, PN10, PN16, DIN 2501 PN6, PN10, PN16, ISO 7005, PN6, PN10, PN16.
Top Flange: ISO 5211 or customized.
Suitable Mediums: Fresh or waste water, sea water, sewage, vapor, air, oil, etc.
Suitable Temperature: -15℃ - 150℃.
The main characteristics:
1. Small in size and light in weight. Easy installation and maintenance. It can be mounted wherever needed.
2. Simple and compact construction, quick 90 degree on-off operation.
3. Minimized operating torque, energy saving.
4. Flow cure tending to straight line. Excellent regulation performance.
5. Long service life. Standing the test of tens of thousands opening/closing operations.
6. Bubbles-tight sealing with no leakage under the pressure test.
7. Wide selections of materials, applicable for various medium.
8. Stem and disc are connected by means of pinless structure with more reliable performance.
9. Disc seat and body of non backed slim-disc butterfly valve are connected by frameless structure to overcome leakage on the connecting position of flange sealing surface.
Application:
1. These products are mainly used for pipeline flow, pressure and temperature control of various industrial automation production, for example: Electricity, petrifaction, metallurgy, environmental protection, energy management, fir-fighting systems.
2. Simultaneously they have good fluid control properties, and can operate simply.
3. They are not only widely used in general industries as petroleum, coal gas, chemical engineering, water treatment, but also used in the cooling water system of thermal power plant.
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