PPH Gear Operated Butterfly Valve
A PPH Gear Operated Butterfly Valve is a type of flow control valve made from Polypropylene Homopolymer (PPH) in which a rotating disc (butterfly) is used to regulate or stop the flow of fluid, and the operation of the valve is controlled through a gear mechanism (gearbox) instead of a direct lever. The PPH Gear Operated Butterfly Valve is a robust, corrosion-resistant valve designed for precise control and isolation of flow in aggressive chemical and industrial fluid systems.
Constructed from Polypropylene Homopolymer (PPH), it offers excellent resistance to a wide range of acids, alkalis, and saline solutions. The integrated gear operation mechanism enables smooth, controlled valve actuation, even in large-diameter pipelines or high-pressure conditions.Engineered for durability and high mechanical performance, this valve is suitable for both manual and actuator-based automation. Its lightweight, non-metallic body reduces corrosion-related failures and is ideal for use in harsh industrial and chemical environments.
- Chemical Resistance
- Low Maintenance Requirement
- Low Thermal Conductivity
- Long Service Life
- Easy Installation
- Corrosion Resistance
PPH Gear Operated Butterfly Valve Details
D: Pipe outer diameter
DN: Nominal internal diameter
OP: Operating pressure range
De: Total outside diameter
Z: Valve body thickness
Di: Internal flow diameter
A: Seating surface diameter
B: Disc opening clearance
C: Lower body extension
| D | DN | OP | De | Z | Di | A | B | C |
| 50 | 40 | 0-5 | 95 | 16 | 22 | 72 | 25 | 28 |
| 63 | 50 | 0-5 | 109 | 20 | 32 | 86 | 37 | 29 |
| 75 | 65 | 0-5 | 129 | 20 | 40 | 105 | 50 | 31 |
| 90 | 80 | 0-5 | 144 | 20 | 54 | 119 | 61 | 32 |
| 110 | 100 | 0-5 | 164 | 22 | 70 | 146 | 77 | 31 |
| 140 | 125 | 0-5 | 195 | 23 | 92 | 173 | 94 | 35 |
| 160 | 150 | 0-5 | 220 | 25 | 105 | 197 | 100 | 40 |
| 225 | 200 | 0-5 | 275 | 35 | 154 | 255 | 152 | 38 |
| 280 | 250 | 0-5 | 330 | 40 | 192 | 312 | 180 | 41 |
| 315 | 300 | 0-5 | 380 | 45 | 227 | 363 | 215 | 41 |
| Parameter | Details |
| Product Name | PPH Gear Operated Butterfly Valve |
| Material (Body) | Polypropylene Homopolymer (PPH) |
| Disc Material | PPH / Reinforced Polypropylene |
| Shaft Material | Stainless Steel / PPH Coated |
| Seat / Liner Material | EPDM / FKM (Viton) |
| Valve Type | Butterfly Valve (Quarter Turn) |
| Operation Type | Gear Operated (Handwheel with Worm Gear) |
| Gear Mechanism | Worm Gear with position indicator |
| Design Type | Wafer Type / Flanged Type |
| End Connection | Compatible with DIN / ANSI / JIS flanges |
| Size Range | D50 to D315 (2” to 12”) |
| Pressure Rating | PN10 / PN16 (approx. up to 6–16 bar) |
| Temperature Range | 0°C to 95°C (depending on seal material) |
| Flow Direction | Bi-directional |
| Flow Design | Full bore / low pressure drop |
| Leakage Class | Bubble-tight sealing (Class VI) |
| Mounting Standard | ISO 5211 (actuator compatible) |
| Operation Torque | Low (gear-assisted operation) |
| Color | Light Grey / Beige |
| Standards | DIN, ISO, ASTM compliant |
| Installation | Horizontal or Vertical |
| Working Medium | Water, acids, alkalis, chemicals |
| Applications | Chemical processing, water treatment, marine, industrial systems |
| Maintenance | Low maintenance, corrosion-free design |
| Weight | Lightweight compared to metal valves |
| Corrosion Resistance | Excellent (non-metallic body) |
| Surface Finish | Smooth internal surface reduces friction |
| Strength | High mechanical strength and rigidity |
| Chemical Resistance | Resistant to acids, alkalis, salts |
| Durability | Long service life in harsh environments |
| Sealing Efficiency | Soft-seated for tight shut-off |
| Installation Ease | Easy to install between flanges (wafer design) |
Corrosion-Resistant PPH Body – Ideal for aggressive and corrosive fluid media.
Gearbox Operation – Provides precise, smooth control with minimal manual effort.
High Flow Efficiency – Full-bore design minimizes pressure drop and turbulence.
EPDM or FKM Seat Options – For compatibility with a variety of chemicals.
Durable, Rigid Construction – Withstands mechanical stress in demanding applications.
ISO Mounting Pad – Compatible with pneumatic or electric actuators.
Wafer-Type Design – Fits between standard flanges for easy installation.
| Nominal Pressure (PN) | Pressure (bar) | Pressure (kg/cm²) | Pressure (psi) | Typical Application |
| PN 6 | 6 bar | 6 kg/cm² | ~87 psi | Low-pressure systems |
| PN 10 | 10 bar | 10 kg/cm² | ~145 psi | Standard industrial use |
| PN 16 | 16 bar | 16 kg/cm² | ~232 psi | Higher pressure systems |
| Typical Working Range | Up to 6–16 bar | — | — | Depends on size & design |
| Valve Size (DN) | Typical Pressure Rating |
| DN50 – DN150 | Up to 10–16 bar |
| DN200 – DN300 | Up to 6–10 bar |
| DN350 – DN400 | Up to 6 bar |
Custom Product Manufacturing Available
If you are searching for customized product designs that meet your requirements, don’t worry. Petron Thermoplast also offers custom product manufacturing services to meet the unique needs of various industries. Work with our expert engineers to create custom designs suited for your application.
Benefits of Using PPH Gear Operated Butterfly Valve
1. Excellent Chemical Resistance
- Highly resistant to acids, alkalis, and corrosive chemicals
- Ideal for chemical processing and wastewater treatment
2. Corrosion-Free Performance
- Non-metallic PPH body prevents rust, scaling, and electrochemical corrosion
- Ensures long service life in aggressive environments
3. Smooth & Easy Operation (Gear Mechanism)
- Worm gear operation reduces manual effort
- Suitable for large-size valves and high torque conditions
- Provides precise control over flow
4. Lightweight Construction
- Much lighter than metal valves
- Easy to handle, transport, and install
5. Low Maintenance
- No corrosion → minimal maintenance required
- No need for frequent lubrication
6. Tight Shut-Off (Leak-Proof Sealing)
- Soft seat (EPDM/FKM) ensures bubble-tight sealing
- Prevents leakage and improves system reliability
7. Bidirectional Flow Capability
- Can operate in both flow directions
- Flexible installation in pipelines
8. Space-Saving Design
- Compact wafer or flanged design
- Requires less installation space compared to gate valves
9. Good Temperature Resistance
- Suitable for temperatures up to ~90–95°C
- Performs well in moderately high-temperature systems
10. Cost-Effective Solution
- Lower cost compared to metal valves
- Reduced installation and maintenance expenses
11. High Durability & Long Service Life
- Resistant to wear, chemicals, and environmental factors
- Maintains performance over long periods
Types of PPH Gear Operated Butterfly Valve
Wafer Type PPH Gear Operated Butterfly Valve
- Installed between two pipe flange
- Lightweight and cost-effective
- Most commonly used type
Lug Type PPH Gear Operated Butterfly Valve
- Has threaded inserts (lugs) on the body
- Allows easy installation and removal without disturbing pipeline
Flanged (Double Flange) Type
- Provided with full flanges on both sides
- Suitable for high-pressure and heavy-duty applications
Concentric (Center Disc) Type
- Disc is positioned at the center of the valve
- Common in PPH valves for chemical applications
- Simple design and economical
Eccentric (Offset) Type
- Disc is offset from center to reduce wear
- Types:
- Single Offset
- Double Offset
- Triple Offset
- Used for higher performance and longer life
Worm Gear Operated Valve
- Most common type
- Provides smooth operation and self-locking feature
Planetary Gear Type
- Used for large diameter or high torque applications
- High efficiency and compact design
Chain Wheel Operated (Gear with Chain)
- Used in elevated or hard-to-reach installations
- Operated using a hanging chain
Soft Seated PPH Butterfly Valve
- Uses EPDM / FKM (Viton) seat
- Provides bubble-tight sealing
- Suitable for chemical and water applications
Lined / Plastic Seated Type
- Fully lined for highly corrosive fluids
- Ensures long service life
Manual Gear Operated
- Operated using handwheel + gearbox
Actuator Mounted (Gear + Actuator)
- Can be fitted with:
- Electric actuator
- Pneumatic actuator
- Hydraulic actuator
- Suitable for automation
Applications of PPH Gear Operated Butterfly Valve
Process Industry
High Purity Applications
Electronic Industry
Electrical Industry
Semi-conductors Industry
Pharmaceutical Industry
Solar power panels
Sugar Industry
Paper & Pulp Industry
Nuclear Power Industry
Automotive Industry
DI water plants
Why Choose Petron Thermoplast?
Petron Thermoplast specialises in manufacturing world-class chemical, sewerage & drainage piping systems for industrial and commercial applications, and PPH Gear Operated Butterfly Valve for industrial applications, including infrastructure projects. As a leading PPH products manufacturer and maker of PPH in India, Petron Thermoplast products in the borewell and industrial categories. As we exclusively bring Petron Thermoplast PPH chemical systems to the market, the first choice globally for potable chemical applications. Petron Thermoplast’s robust distribution network, combined with best-in-class technology, is set to create a strong & sustainable presence in the chemical Industry.
The core differences of PPH Gear Operated Butterfly Valve lie in their connection method, applicable scenarios, and cost-effectiveness. The former is characterized by its lightweight and low cost, making it suitable for small pipelines and low-pressure conditions; the latter, with its high strength and ease of maintenance, dominates medium to large-scale industrial projects.
