PPH Gate Valve

A PPH Gate Valve is a type of isolation valve made from polypropylene homopolymer (PPH) that is used to start or stop the flow of fluid in a piping system by lifting or lowering a gate (wedge) inside the valve body. A PPH Gate Valve is a plastic shut-off valve used mainly in chemical, water, and industrial piping systems to completely open or completely close fluid flow, especially where corrosion resistance is important. The PPH Gate Valve is a linear motion valve designed to start or stop fluid flow by lifting or lowering a wedge-shaped gate.

Constructed from Polypropylene Homopolymer (PPH), this valve offers exceptional resistance to corrosion and chemical attack, making it ideal for industrial applications involving aggressive media.Its full-bore design ensures minimal pressure drop, and it is widely used in chemical processing plants, water treatment facilities, and industrial piping systems. The PPH gate valve is known for its durability, reliability, and cost-effectiveness in demanding environments.

PPH Gate Valve Details

Size (DN): Nominal Diameter Size
Size (Inch): Nominal Pipe Size
D: Outer Body Diameter
b: Body Component Thickness
k: Bolt Circle Diameter
h: Component Height Dimension
d: Pipe Outside Diameter
Weight (kg): Total Mass Kilograms
L: Total Face Length
H: Total Overall Height
W: Body Width Dimension
C: Connection Center Distance
A: Overall Actuator Height
K: Coil Width Dimension
S: Socket Connection Diameter
B: Center To Top
E: Body End Width
F: Handwheel Outer Diameter

Sizes	A	B	C	D	E	F
1/2”	5-1/8	1-1/4	2-13/16	4-1/8	2-5/8	2-11/16
3/4”	5-1/8	1-1/4	2-13/16	4-1/8	2-5/8	2-11/16
1”	5-13/32	1-7/8	3-5/16	4-5/16	2-5/8	2-15/16
1-1/4”	8-1/16	1-9/16	3-9/16	6-5/8	3-7/16	3-15/16
1-1/2”	8-1/16	1-9/16	3-9/16	6-1/2	3-7/16	3-15/16
2”	9-13/16	1-7/8	3-15/16	6-15/16	3-7/16	4-7/16
2-1/2”	14-5/16	3-9/16	7-11/16	12-1/16	6-11/16	7-1/4
3”	14-5/16	2-15/16	6-11/16	12-1/16	6-11/16	7-1/4
4”	16	3-3/8	7-15/16	13-1/4	8	7-9/16

Parameter / Property	Details / Specification
Product Name	PPH Gate Valve
Material	Polypropylene Homopolymer (PPH)
Function	On/off flow control (isolation valve)
Type	Gate Valve (Rising / Non-rising stem)
Operation	Manual (handwheel) / Electric / Pneumatic
End Connection	Socket / Threaded / Flanged
Size Range	½” to 12” (DN15 – DN300)
Pressure Rating	PN10 / PN16
Temperature Range	0°C to 90–95°C
Design Standards	DIN 8077/8078, ISO 15493, ASTM
Seal Material	EPDM / FPM (Viton)
Flow Type	Full bore (minimal pressure drop)
Color	Grey / Beige
Chemical Resistance	Excellent (acids, alkalis, corrosive fluids)
Thermal Stability	Stable up to ~95°C
Mechanical Strength	High strength (high crystallinity)
Corrosion Resistance	100% rust-proof and non-metallic
Surface Finish	Smooth internal bore reduces pressure loss
Applications	Chemical processing, water treatment, industrial

Full Bore Design – Allows unobstructed flow with minimal pressure loss.
Excellent Chemical Resistance – Suitable for corrosive fluids like acids and alkalis.
Rugged and Corrosion-Free – Non-metallic body ensures longevity in harsh environments.
Manual or Actuated Operation – Available with handwheel or actuator compatibility.
Leak-Tight Shutoff – Ensures high system integrity during closed operation.
Low Maintenance – Simple internal mechanism for easy servicing and reduced downtime.
UV and Weather Resistant – Ideal for outdoor installations in industrial facilities.

Pressure Class (PN)	Pressure (bar)	Pressure (MPa)	Typical Application
PN6	6 bar	0.6 MPa	Low-pressure systems (drainage, light chemicals)
PN10	10 bar	1.0 MPa	Water supply, irrigation, general industrial use
PN16	16 bar	1.6 MPa	Chemical processing, industrial pipelines
PN25	25 bar	2.5 MPa	Medium-pressure industrial systems
PN40	40 bar	4.0 MPa	High-pressure applications (less common for PPH)

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 Gate Valve

1. Excellent Chemical Resistance

PPH material is highly resistant to acids, alkalis, and corrosive chemicals
Ideal for chemical processing, water treatment, and industrial pipelines

2. Low Flow Resistance

Straight-through flow design ensures minimal obstruction
Results in very low pressure drop and high flow efficiency

3. Tight Shut-Off / Leak-Proof Sealing

Provides excellent sealing performance
Prevents leakage when fully closed, suitable for critical applications

4. High Temperature Resistance

PPH can withstand higher temperatures (up to ~90–100°C) compared to standard plastics
Suitable for hot fluid systemsp-

5. Corrosion & Abrasion Resistance

Non-metallic body eliminates rust and scaling issues
Longer service life in aggressive environments

6. Bidirectional Flow Capability

Allows flow in both directions
Easy installation without worrying about flow orientation

7. Energy Efficient Operation

Minimal friction and straight flow path reduce energy consumption

8. Lightweight & Easy Handling

Much lighter than metal valves
Simplifies installation, transport, and maintenance

9. Suitable for High Purity Applications

PPH is non-toxic and non-contaminating
Used in pharmaceutical, food, and water systems

10. Long Service Life & Low Maintenance

Resistant to scaling, corrosion, and chemical attack
Requires less frequent maintenance

11. Full Bore Design

When fully open, valve offers unrestricted flow
Maintains system efficiency and reduces losses

Types of PPH Gate Valve

Wedge Type PPH Gate Valve

Most commonly used type
Provides tight sealing for clean fluids
Sub-types:
- Solid Wedge
- Flexible Wedge
- Split Wedge

Parallel (Slide) PPH Gate Valve

Uses parallel discs or flat gate
Ideal for handling slurry or fluids with suspended particles

Knife Gate Valve (PPH)

Sharp-edged gate for cutting through thick media
Used in chemical slurry, wastewater, and viscous fluids

Rising Stem (OS&Y) Type

Stem moves upward when opening
Provides visual indication of valve position

Non-Rising Stem Type

Stem does not move externally
Suitable for limited space or underground installations

Manual PPH Gate Valve

Operated by handwheel
Simple and economical

Electric Actuated PPH Gate Valve

Controlled by electric actuator
Used in automated systems

Pneumatic / Hydraulic Operated

Used in industrial automation and process control
Socket End (Plain/Socket Weld type)
Flanged End
Threaded End

Applications of PPH Gate 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?

In the field of water, fluid, and chemical injection technology, Petron Thermoplast Company played a leading role, known for innovation and reliability. Petron Thermoplast has engineered high-performance PPH Gate Valves that maximize mixing efficiency and durability. Their design is patented to ensure consistent performance across a wide range of flow rates and pressures.

Petron Thermoplast PPH Gate Valves are particularly favored in chemical treatment applications due to their precision, long service life, and compatibility with corrosive water.

By harnessing the Valve effect, these devices offer a reliable, energy-efficient method for fluid injection without the need for pumps or electricity. With companies like Petron Thermoplast pushing the technology forward, the future of fluid injection remains efficient, sustainable, and powerful.