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Pneumatic Vertical Sanitary Butterfly Valve
Pneumatic Vertical Sanitary Butterfly Valve Pneumatic Vertical Sanitary Butterfly Valve

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Pneumatic Vertical Sanitary Butterfly Valve

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The KONTE Pneumatic Vertical Sanitary Butterfly Valve is a high-performance, compact hygienic flow control solution engineered exclusively for critical sanitary process pipelines. Designed to deliver reliable throttling and zero-leakage isolation, this valve is the industry-preferred choice for stainless steel pipeline systems in food, dairy, beverage, brewing, pharmaceutical, and fine chemical industries.

  • KST&OEM&ODM Brand

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Product Overview


Available in a full size range from DN15 to DN200, our sanitary butterfly valve adheres to global sanitary standards including DIN, SMS, 3A, ISO, IDF and RJT. It features 304/316L stainless steel wetted parts, FDA-compliant sealing materials, and precision surface finishing (internal Ra ≤ 0.8μm) to meet strict CIP/SIP cleaning requirements, eliminating contamination risks and minimizing production downtime. Supporting both pneumatic actuation and manual operation, this valve offers fully customizable configurations to match your unique process needs, with full OEM and ODM capabilities for bulk and project-based orders.


Pneumatic Vertical Sanitary Butterfly Valve 3


Key Features & Business Benefits


Superior Hygienic Design for Regulated Industries

Engineered with a crevice-free, dead-zone-free structure, our sanitary butterfly valve prevents product residue and bacterial buildup, fully compatible with clean-in-place (CIP) and sterilize-in-place (SIP) processes. The precision-polished internal surface (Ra ≤ 0.8μm) meets the strictest hygienic requirements for food, pharmaceutical and biotech applications, helping you maintain full regulatory compliance and avoid costly product contamination risks.


Flexible, Reliable Actuation for Diverse Process Needs

Our valve supports multiple control configurations to fit your operational requirements:

  • Pneumatic actuation: Stainless steel or aluminum actuators available, with three standard versions (normally closed NC, normally open NO, air/air activated A/A)

  • Electric actuation: Customizable for remote automated control systems

  • Manual operation: Multiple handle options (2-position, 3-position, 4-position pull rod, multi-position plastic/stainless steel handles) for precise flow throttling and mechanical position locking

  • The actuator design converts piston axial movement into a smooth 90° shaft rotation, with automatic torque enhancement when the valve disc contacts the seal ring, ensuring consistent zero-leakage shutoff even under fluctuating process pressures.


Full Global Compliance & Material Traceability

All wetted components use food-grade 304/316L stainless steel, with full material traceability and EN 10204 3.1B material certification available upon request. All seal materials comply with FDA 177.2600 standards, with standard EPDM seals and optional FPM, Silicone, NBR seals to suit different media and temperature requirements. This full compliance eliminates barriers to global export and simplifies your regulatory audits.


Wide Compatibility & Customization Capabilities

With a full size range of DN15-DN200, 0-10bar working pressure, and multiple connection methods (Tri-Clamp, welded, male threaded, flanged), our valve fits seamlessly into your existing pipeline systems without costly modifications. We offer full OEM and ODM services, including custom branding, material adjustments, actuation configurations, and accessory packages to meet your project-specific or bulk order needs.


Technical Specifications


Category

Detailed Specifications

Model Size Range

DN15 ~ DN200

Valve Body Material

CF8 (304), CF8M (316L), CF3M

Wetted Parts Material

304 / 316L Stainless Steel

Non-Wetted Steel Parts

304 Stainless Steel

Standard Seal Material

EPDM (FDA 177.2600 Compliant)

Optional Seal Materials

PTFE, FPM, Silicone, NBR

Working Pressure

0 ~ 1.0MPa (0 ~ 10 bar)

Control Air Pressure

5 ~ 8 bar

Working Temperature (EPDM)

-20°C ~ 135°C

Max Sterilization Temperature

150°C (≤20 minutes)

Ambient Temperature Range

-20°C ~ 80°C

Compliance Standards

DIN, SMS, 3A, ISO, IDF, RJT

Connection Methods

Tri-Clamp, Welded, Male Threaded, Flanged

Control Modes

Single-acting (NO/NC), Double-acting, Manual, Electric Actuation

Surface Finish

Internal: Ra ≤ 0.8μm; External: Ra ≤ 1.6μm

Applicable Medium

Water, Oil, Gas, Food & Beverage Products, Pharmaceutical Fluids

Pressure Test Standard

10bar hydrostatic test before delivery


Operating Torque Reference


Valve Size

3/4" (DN15)

1" (DN25)

1 1/2" (DN40)

2" (DN50)

2 1/2" (DN65)

3" (DN80)

4" (DN100)

5" (DN125)

6" (DN150)

Operating Torque (N·M)

5

8

10

14

15

18

20

35

55


Operating Principle


This series of sanitary butterfly valve supports two core operation modes to adapt to different process scenarios:

Actuator Remote Control: The pneumatic/electric actuator drives the valve stem and disc to complete a 90° rotation for full open/close control. The actuator converts the axial movement of the piston into rotational motion, with automatic torque boost when the disc contacts the seal ring, ensuring tight shutoff. Three standard actuator configurations are available: normally closed (NC), normally open (NO), and air/air activated (A/A).

Manual Operation: The mechanical handle allows for on-site manual control, with the ability to mechanically lock the valve in open, closed, intermediate, or custom positions to achieve precise flow rate regulation, ideal for maintenance, emergency operation, or low-automation process lines.


Industry Applications & Target Use Cases


Food & Beverage Processing

Ideal for dairy production, juice and soft drink manufacturing, edible oil processing, and snack food production lines. The hygienic design eliminates product cross-contamination, supports frequent CIP cleaning cycles, and maintains the integrity of sensitive food products, fully complying with global food safety regulations.


Pharmaceutical & Biotech Industry

Engineered for sterile API production, injectable manufacturing, biotech processing, and laboratory fluid systems. The 316L stainless steel wetted parts, ultra-smooth surface finish, and FDA-compliant seals meet GMP requirements, with full material traceability to support strict regulatory audits.


Brewing & Fermentation Industry

Perfect for craft and commercial breweries, wineries, and fermentation facilities. The valve delivers reliable flow control for wort, beer, wine, and fermentation media, with a design that resists fouling and supports clean-in-place processes to maintain product consistency and batch quality.


Cosmetics & Personal Care Production

Suitable for lotion, cream, shampoo, and cosmetic manufacturing lines. The crevice-free structure prevents product buildup and cross-contamination between batches, ensuring consistent product quality and compliance with cosmetic safety standards.


Optional Accessories & OEM/ODM Services


Customizable Accessories

  • 24V DC intelligent controller

  • 1/2 solenoid valve

  • 24V DC position sensor (2 NPN/PNP compatible)

  • Custom handle configurations

  • Limit switch boxes

  • Positioners for proportional control


OEM & ODM Capabilities

We offer full end-to-end OEM and ODM solutions for global business buyers, including:

  • Custom brand labeling and packaging (KST & OEM & ODM fully supported)

  • Custom material, seal, and actuation configurations

  • Project-specific valve design for unique process requirements

  • Bulk order customization with dedicated technical support

  • Full certification and documentation support for global markets


Quality Assurance & Certifications


  • Every valve undergoes a 10bar hydrostatic pressure test before delivery to ensure zero leakage and reliable performance

  • Full material traceability system, with EN 10204 3.1B material certification available for all stainless steel components

  • All seal materials comply with FDA 177.2600 standards, with full certification documentation provided upon request

  • Manufactured under a strict ISO 9001 quality management system, with full dimensional and performance inspection for every batch

  • Fully compliant with global sanitary standards including DIN, SMS, 3A, ISO, IDF and RJT, suitable for worldwide export


FAQ


What materials are used for KONTE pneumatic sanitary butterfly valves?

Our valves use 304 or 316L stainless steel for all wetted parts, with 304 stainless steel for non-wetted steel components. Standard seals are FDA-compliant EPDM, with optional PTFE, FPM, Silicone, and NBR seals available.


What size range are these sanitary butterfly valves available in?

We offer a full size range from DN15 to DN200 to fit most sanitary pipeline applications.


What sanitary standards do your butterfly valves comply with?

Our valves adhere to global leading sanitary standards including DIN, SMS, 3A, ISO, IDF, and RJT, suitable for use in food, pharmaceutical, and dairy industries worldwide.


What control modes are available for this vertical sanitary butterfly valve?

We support single-acting (NO/NC), double-acting pneumatic actuation, electric actuation, and manual operation with multiple handle configurations.


What is the working pressure of this pneumatic sanitary valve?

The standard working pressure range is 0 to 1.0MPa (0 to 10 bar), with a control air pressure requirement of 5 to 8 bar for pneumatic actuation.


Sanitary Butterfly Valves

Options



▶Handle:two-position handle, three-position handle, four position pull rod handle, multi-position plastic handle and multi-position stainless steel handle

▶Actuator:pneumatic stainless steel actuator,pneumatic aluminum actuator, electric actuator



Operating Principles



▶This series butterfly valve is either remote-controlled by means of an actuator or manually operated by means of a handle.

▶The actuator is made in three standard versions, normally closed(NC), normally open (NO) and air/air activated (A/A).

▶The actuator is designed so that an axial movement of a piston is transformed into a 90°rotation of a shaft.The torque of the actuator is increased when the valve disc contacts the seal ring of the

butterfly valve.valve is closed.

▶Selected The handle for manual operation mechanically can lock the valve in open,close,middle or other positions to control the flow rate.



OPERATING TORQUE [N.M]

15-3/4 25-1" 40-11/2'' 50-2 21/2" 65
3" 80
100-4''
125
150
5 8 10 14 15 18 18 20 35 55 70

Detect under pressure of 10Kgrs/cm


Technical parameters



  • Model Range: DN15~DN200

  • Applicable Pressure: 0~1.0MPa

  • Valve Body Material: CF8, CF8M, CF3M

  • SealingMaterial: PTFE, EPDM

  • Medium Temperature: -20~150°

  • Ambient Temperature: -20-80°C

  • Standard: DIN, SMS

  • Control Mode: Single-acting (NO/NC), Double actin (NO/NC), Manual

  • Connection Method: Welded, Tri-clamp, Male threaded, Flanged

  • Applicable Medium: Water, oil, gas

  • Application Industries: Food, brewing,dairy products, beverage processing. pharmaceuticaletc



Material Product wetted steel parts 304/316L
Other steel parts 304
Provide E N 10204 3.1Bcertificate
Seal material standard EPDM
option FPM,Silicone,NBR
All seal materials comply with FDA 177.2600
Temperature Working  temperature -20~+135℃(EPDM)
Sterilization temperature 150℃ (MAX  20min)
Pressure Working pressure 0~10bar
Control air pressure 5~8bar
Surface treatment Internal surface Ra ≤ 0.8μm
External surface Ra ≤ 1.6μm
Connection Connection  standard DIN,SMS,RJT,ISO,IDF,3A
Connection method: welding、thread、Tri-Clamp、flange
Operate modes Handle Handle: two-position handle, three-position handle, fou position pull rod handle, multi-position plastic handle and multi-position stainless steel handle
Actuator pneumatic stainless steel actuator, pneumatic aluminum actuator, electric actuator
Option Intelligent controller 24V DC
1/2 electromagnetism valve
Position sensor 24V DC
2 NPN/PNP position sensor





Applications



This series is sanitary butterfly valve operated by pneumatic or manual used for stainless steel pipeline system.





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