Rubber lined butterfly valve

Product Overview

Fluid Media: Water, oil, gas, seawater, wastewater, and various corrosive media

Applicable Temperature: -29°C to 204°C

Applicable Pressure: Up to 250 psi (17.2 Bar)

Applicable Size: DN50 to DN3000 (NPS 2 to 120)

Connection Type: Wafer, Lug, Flanged

Connection Standards: ASME B16.1 Class 125, ASME B16.5 Class 150, EN 1092 PN10/16, API 609 Category A, EN 558 Series 20

Seal Rating: Bi-directional bubble-tight seal

Note: All components can be selected with different materials based on actual working conditions

Features and Advantages

High-Strength Shaft Design: Blowout-proof shaft design ensures operational safety

Adjustable Packing System: Allows on-site adjustment without removing the actuator, facilitating maintenance

Dual Sealing Structure: Primary and secondary seals provide reliable sealing performance

Low Operating Torque: Optimized seat design reduces opening/closing torque, extending service life

Various Seat Material Options: Suitable for different media and working conditions

Wide Application: Applicable in industries such as water treatment, seawater, wastewater, HVAC, data centers, sugar and ethanol production

PTFE Lined Butterfly Valve

Product Overview

Fluid Media: Strong acids, alkalis, chlorine gas, hydrofluoric acid, sulfuric acid, phosphoric acid, and other corrosive media

Applicable Temperature: -20°C to +200°C

Applicable Pressure: PN6, PN10, PN16; ANSI Class 150

Applicable Size: DN50 to DN600

Connection Type: Wafer, Lug, Flanged

Connection Standards: EN 1092 PN10/16, ASME B16.5 Class 150, JIS 10K

Valve Body Material: Ductile Iron, Carbon Steel, Stainless Steel, Aluminum Bronze

Seal Rating: Bidirectional bubble-tight seal (compliant with EN 12266-1)

Operation: Manual Handle, Gearbox, Electric, Pneumatic

Certifications: API 609, EN 593, ISO 5211, PED, SIL, ATEX

Note: All components can be selected with different materials based on actual working conditions

Features and Advantages

Excellent Corrosion Resistance: Full PTFE lining ensures suitability for highly corrosive media, preventing metal component corrosion

Low Friction Design: PTFE lining provides a smooth surface, reducing operating torque and extending service life

Bidirectional Sealing Performance: Ensures zero leakage in any flow direction

Modular Structure: Facilitates maintenance and component replacement, reducing maintenance costs

Multiple Operation Modes: Available in manual, electric, or pneumatic operation as per requirements

Wide Applications: Suitable for chemical, pharmaceutical, water treatment, food and beverage industries

Clamp Butterfly Valve

Product Overview

Fluid Media: Water

Applicable Temperature: -10°C to 80°C

Applicable Pressure: PN1.0 to 1.6MPa

Applicable Size: DN50 to DN1200

Connection Type: Clamp Connection

Connection Standards: GB, ANSI, DIN, API, ISO, BS

Valve Body Lifespan: 50 years

Valve Body Material: Ductile Iron, Carbon Steel, Stainless Steel

Disc Material: Stainless Steel, Aluminum Bronze, Ductile Iron

Seat Material: Rubber

Operation Methods: Manual Handle, Gearbox, Electric, Pneumatic

Note: All components can be selected with different materials based on actual working conditions.

Technical Standards

Design Standards: Compliant with GB, ANSI, DIN, API, ISO, BS international standards

Connection Standards: Suitable for various international flange standards, facilitating compatibility with existing piping systems

Features and Advantages

The installation flange can directly accommodate actuators conforming to ISO standards, facilitating automation control

The shaft sleeve fully encloses the shaft seal, enhancing maintenance reliability

Upper and lower shafts made of stainless steel provide anti-burst functionality, enhancing safety

Unique square neck design eliminates the need for fasteners, preventing incorrect replacements and potential issues from loose components

Shaft seal design effectively prevents media leakage, ensuring system integrity

The disc is made of ductile iron fully lined with rubber, allowing 360° continuous contact between the disc and body, providing excellent sealing performance

Streamlined disc design offers a large opening angle, increasing flow coefficient and reducing flow resistance

Clamp body design significantly reduces installation weight, facilitating operation, installation, and maintenance.

LT Type Wafer Butterfly Valve

Product Overview‍

Fluid Media: Water, oil, gas, and various corrosive media

Applicable Temperature: -10℃ to 120℃

Applicable Pressure: PN1.0 to 1.6MPa

Applicable Size: DN50 to DN1200

Connection Type: Wafer (Lug type)

Connection Standards: GB, ANSI, DIN, API, ISO, BS

Valve Body Lifespan: 50 years

Valve Body Material: Cast iron, ductile iron, carbon steel, stainless steel, aluminum bronze

Disc Material: Stainless steel, aluminum bronze, ductile iron

Seat Material: Rubber (EPDM, NBR, etc.)

Operation Methods: Manual handle, gearbox, electric, pneumatic

Note: All components can be selected with different materials based on actual working conditions.

Technical Standards

Design and manufacturing standards comply with API 609

Pressure testing complies with API 598

Face-to-face dimensions comply with API 609

Side flange standards comply with GB/T17241 for PN1.0MPa and PN1.6MPa, and ASME B16.1 125PSI

Features and Advantages

Reduced operating torque, supporting the valve stem and effectively separating it from the valve body to reduce wear

Polished finish for precise fit with the valve seat

Achieves zero leakage in air tightness tests, low opening and closing torque, and extended seat service life

Stem sealing is not easily deformed, preventing typical stem leakage

High precision and strength, suitable for installation of handles and other control devices

Secure connection between stem and disc, with anti-vibration and easy replacement features

Good integrity, facilitating control of disc opening and closing

Features include non-falling, tensile resistance, leak prevention, and easy replacement

Can be used as a device to regulate or cut off media in pipelines

Suitable for handle control devices (DN50–300), worm gear, electric, and pneumatic control devices

609A Wafer Butterfly Valve

Product Overview

Fluid Media: Water, oil, gas, and various corrosive media

Applicable Temperature: -10℃ to 120℃

Applicable Pressure: PN1.0 to 1.6MPa

Applicable Size: DN50 to DN1200

Connection Type: Wafer

Connection Standards: GB, ANSI, DIN, API, ISO, BS

Valve Body Lifespan: 50 years

Valve Body Material: Cast iron, ductile iron, carbon steel, stainless steel, aluminum bronze

Disc Material: Stainless steel, aluminum bronze, ductile iron

Seat Material: Rubber

Operation Methods: Manual handle, gearbox, electric, pneumatic

Note: All components can be selected with different materials based on actual working conditions.

Technical Standards

Design and manufacturing standards comply with API 609

Pressure testing complies with API 598

Face-to-face dimensions comply with API 609

Side flange standards comply with GB/T17241 for PN1.0MPa and PN1.6MPa, and ASME B16.1 125PSI

Features and Advantages

Reduced operating torque, supporting the valve stem and effectively separating it from the valve body to reduce wear

Polished finish for precise fit with the valve seat

Achieves zero leakage in air tightness tests, low opening and closing torque, and extended seat service life

Stem sealing is not easily deformed, preventing typical stem leakage

High precision and strength, suitable for installation of handles and other control devices

Secure connection between stem and disc, with anti-vibration and easy replacement features

Good integrity, facilitating control of disc opening and closing

Features include non-falling, tensile resistance, leak prevention, and easy replacement

Can be used as a device to regulate or cut off media in pipelines

Suitable for handle control devices (DN50–300), worm gear, electric, and pneumatic control devices

Flanged Centerline Butterfly Valve

Product Overview

Fluid Media: Water, oil, gas, and various corrosive media

Applicable Temperature: -10℃ to 150℃

Applicable Pressure: PN1.0 to 1.6MPa

Applicable Size: DN50 to DN1400

Connection Type: Flanged

Connection Standards: GB, ANSI, DIN, API, ISO, BS

Valve Body Lifespan: 50 years

Valve Body Material: Cast iron, ductile iron

Disc Material: Stainless steel, ductile iron

Seat Material: Rubber (EPDM, NBR, etc.)

Operation Methods: Manual handle, worm gear, electric, pneumatic

Note: All components can be selected with different materials based on actual working conditions.

Technical Standards

Design and manufacturing standards comply with GB/T12238

Pressure testing complies with GB/T13927

Face-to-face dimensions comply with GB/T12221

Flange standards comply with GB/T17241.6

Features and Advantages

Compatible with manual, worm gear, electric, or pneumatic actuators to meet various control requirements

Compact structure with low operating torque and quick opening/closing

Effective separation of stem and body reduces wear and extends service life

Excellent sealing performance, achieving zero leakage

Stem seal is resistant to deformation, preventing leakage

High installation precision, suitable for various control devices

Secure connection between disc and stem, anti-vibration, and easy replacement

Good overall support, stable fixation, tensile resistance, and leak prevention

Auxiliary measures to prevent shaft end leakage, enhancing sealing reliability