Metal To Metal Seated Butterfly Valves
Products Description
NEWLOTOKE metal-to-metal butterfly valves offer a simple, lightweight, and highly reliable solution for flow control in pipes and equipment across demanding industrial applications. Featuring robust metal sealing instead of elastomers, these valves perform exceptionally well under high temperature, corrosive, or abrasive conditions.Their streamlined design ensures bidirectional sealing, long service life, and minimal maintenance, making them ideal for sectors like water treatment, agriculture, energy, mining, and chemical processing.
Product Detail
|
Specification |
Description |
|
Product Name |
Metal-to-Metal Butterfly Valve |
|
Brand |
NEWLOTOKE |
|
Sealing Type |
Metal-on-metal hard seal |
|
Operation Type |
Manual (lever/gear), pneumatic, electric |
|
Connection Types |
Wafer, Lugged, Flanged |
|
Pressure Rating |
Up to 6 bar (standard); higher on request |
|
Seat Leakage Standard |
ANSI/FCI 70-2-2006 Class III (≤ 0.10%) |
|
Flow Path |
Straight, low head loss |
|
Visual Indicator Option |
Throttle position float indicator |
|
Disc Materials |
Ductile Iron, Stainless Steel, Aluminum Bronze |
|
Temperature Range |
From ambient up to high temperatures (consult material specs) |
|
Application Scenarios |
Irrigation, potable water, HVAC, mining, chemical, process industries |
Product Advantages & Features
|
Feature |
Description |
|
Metal-to-Metal Sealing |
Durable and resistant to heat, abrasion, and corrosion-ideal for tough fluids. |
|
Bidirectional Sealing |
Provides reliable shutoff in both flow directions. |
|
Low Head Loss Design |
Straight-through flow and efficient disc geometry reduce pressure drop. |
|
Leakage Standard |
Meets Class III metal sealing per ANSI/FCI standards. |
|
Replaceable Seat |
Enabling easy on-site maintenance and reduced downtime. |
|
Multiple Disc Material Options |
Adaptable to various media: select ductile iron, stainless steel, or bronze. |
|
Throttle Indication |
Optional built-in float gives visual throttling feedback. |
|
Slow-Closing Operation |
Helps prevent water hammer and protects system integrity. |
|
Compact & Lightweight |
Simplified installation in tight spaces and mobile systems. |
|
Corrosion Resistant Coating |
Optional FBE or stainless finish for extended durability. |
Why choose us?
Used at the project site
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Professional valve manufacturing, stable quality, complete certification.
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✅ Technical support, supporting materials
Provide product information, technical support and promotional materials to help sales.
FAQ
|
Question |
Answer |
|
What environments suit metal-to-metal butterfly valves? |
They excel in high-temperature, abrasive, or corrosive media-common in water treatment and industrial use. |
|
Can these valves block flow in both directions? |
Yes, their metal sealing design ensures bidirectional tight shutoff. |
|
What is the maximum pressure rating? |
Standard valves reach up to 6 bar; higher-pressure variants are available. |
|
Is there visual indication of the valve position? |
Yes, optional float indicators show the throttle position (open, close, intermediate). |
|
How do they perform under ANSI Class III leakage standards? |
They comply with ANSI/FCI 70 2 Class III (≤ 0.10%) leakage requirements. |
|
Can the seat be serviced onsite? |
Yes, the replaceable seat design allows easy maintenance without removing the valve. |
|
Can these valves be used with potable water? |
Yes, especially when supplied with approved coatings and stainless/bronze disc options. |
|
Are they suitable for large diameter pipelines? |
Absolutely-wafer and lug versions are available in large sizes with low-pressure losses. |
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