UPVC Globe Valve

A UPVC globe valve using a linear motion for moving a disc into the seating surface. A UPVC Globe Valves form a globular-shaped cavity around the port region. The disc can be of various shapes and moves perpendicular to the globe valve seat. This disc movement helps in the valves’ opening and closure. UPVC Globe valves are generally used for pipes of a certain size.

Depending on the design of the seat and disc, the seating load of upvc globe valves can be positively controlled by a screwed stem. The sealing capacity of the globe valve is high.

They can be used for on-off duty if the ﬂow resistance from the tortuous ﬂow passage of these valves is acceptable. Some globe valves are also specifically designed for low ﬂow resistance for use in on-off duty. Because of the short travel distance of the disc between the open and closed positions, Upvc globe valves are ideal if the valve has to be opened and closed frequently. Thus, upvc globe valves can be used for a wide range of duties.

UPVC Globe Valve Details

Sizes: Nominal Pipe Diameter
A: Flange To Center
B: Center To Flange
C: Face To Face
D (Open): Maximum Open Height
E: Handwheel Outer Diameter
F: Flange Outer Diameter
G: Body End Distance
LIFT: Disc Travel Distance

Sizes	A	B	C	D (Open)	E	F	G	LIFT
2-1/2”	1-1/16	3-1/4	9-1/2	12-1/2	6-9/16	7-1/2	4-3/4	2-1/8
3”	1-1/16	3-1/4	9-1/2	12-1/2	6-9/16	7-1/2	4-3/4	2-1/8
4”	1-1/8	4-1/4	11-1/2	13-1/4	11	9	5-3/4	2-3/16
6”	1-1/4	6-5/16	16-1/4	17-7/8	11	11	8-1/8	3-1/4

Parameter	Specification / Description
Valve Type	Globe Valve (Linear motion for flow regulation)
Body Material	UPVC (Unplasticized Polyvinyl Chloride)
Seal Material	EPDM / FPM / NBR
Size Range	½” to 8” (15 mm to 200 mm)
Pressure Rating	PN10 / PN16 (10–16 bar at 20°C)
Temperature Range	0°C to 60°C
Operation Type	Manual (Handwheel) / Optional Actuated
End Connections	Socket, Threaded, Flanged, Union End
Flow Control	Throttling + Shut-off (Precise regulation)
Body Design	Straight / Angle / Y-pattern
Standards	ISO 4422 / DIN 8063 / ASTM D1785
Flow Direction	Uni-directional (As per arrow marking)
Density	~1.38 g/cm³
Tensile Strength	50 – 60 MPa
Flexural Strength	70 – 80 MPa
Impact Strength	1.0 – 2.0 kJ/m²
Hardness	Shore D 75–80
Thermal Conductivity	~0.16 W/m·K
Expansion Coeff.	0.07 – 0.10 mm/m·°C
Water Absorption	< 0.1%
Corrosion Resistance	Excellent (Acids, alkalis, salts)
Electrical Prop.	Very low conductivity (Insulator)
Surface Finish	Smooth internal bore (Low friction)

Excellent Flow Regulation: Designed to offer precise control of flow rate with minimal turbulence.
Chemical Resistance: UPVC body and internal parts provide strong resistance to aggressive chemicals and corrosive media.
Corrosion-Free Construction: Non-metallic components prevent rust and degradation.
Durable & Long-Lasting: High impact strength and excellent thermal stability.
Smooth Operation: Handwheel operation allows for easy and accurate adjustment of flow.
Low Maintenance: No lubrication or complex servicing required; simple cleaning and inspection.
Reliable Sealing: High-quality seats and seals ensure leak-proof performance.

Parameter	Typical Rating	Unit	Remarks
Nominal Pressure Class	PN10	bar	Most common pressure class for UPVC globe valves
Max Working Pressure @ 20 °C	10	bar	Full-rated pressure at ambient temperature
Max Working Pressure @ 30 °C	~8	bar	Temperature derating begins
Max Working Pressure @ 40 °C	~6 – 7	bar	Reduced pressure due to UPVC material limits
Max Working Pressure @ 60 °C	~3 – 4	bar	Upper operating temperature limit
Hydrostatic Test Pressure	15	bar	Typically 1.5 × rated pressure
Vacuum Rating	Up to full vacuum	—	Depends on valve design and sealing
Minimum Operating Pressure	0	bar	Can operate at zero pressure

Valve Size	Pressure Class	Standard
½″ – 2″ (15–50 mm)	PN10	DIN / ISO
2½″ – 4″ (65–100 mm)	PN10	DIN / ISO
Above 4″	PN6 – PN10	Manufacturer dependent

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 UPVC Globe Valve

1. Corrosion Resistance

UPVC (unplasticized polyvinyl chloride) is highly resistant to corrosion from chemicals, acids, and alkalis.
Unlike metal valves, it does not rust, making it ideal for water treatment plants, chemical industries, and irrigation systems.

2. Lightweight

UPVC is much lighter than metal, making globe valves easier to install, transport, and handle.
Reduced structural support is needed compared to heavy metal valves.

3. Low Maintenance

These valves require minimal maintenance because they do not corrode or scale internally.
Seals and seats generally last longer, reducing replacement frequency.

4. Cost-Effective

UPVC valves are cheaper than metal counterparts like brass and bronze..
Lower installation and maintenance costs also make them economical for large piping networks.

5. Smooth Flow Control

Globe valves are designed for precise flow regulation.
UPVC’s smooth internal surface reduces friction, improving efficiency and flow control.

6. Chemical Compatibility

UPVC is compatible with a wide range of fluids, including potable water, acids, alkalis, and salts.
This makes UPVC globe valves suitable for industrial, municipal, and agricultural applications.

7. Non-Conductive and Safe

UPVC is non-conductive, reducing the risk of electrical hazards in pipelines carrying chemicals.
Safe for potable water systems because it doesn’t leach harmful substances.

8. Easy Installation

Solvent welding (glue joining) or mechanical fittings make installation simple and leak-free.
No heavy tools or welding equipment needed.

9. Longevity

With proper use, UPVC globe valves can last for 15–25 years.
Resistant to weathering, UV radiation, and wear.

10. Environmentally Friendly

UPVC can be recycled.
Reduces dependence on metals, lowering environmental impact.

Types of UPVC Globe Valve

1. Based on Connection Type

Socket/Welded End Globe Valve

Connected to pipes using solvent cement (glue).
Common in residential and chemical piping.
Easy to install and leak-proof if glued properly.

Threaded End Globe Valve

Screwed onto male threaded pipes.
Suitable for small diameter pipelines (usually up to 2 inches).
Convenient for maintenance or replacement.

Flanged Globe Valve

Bolted to a matching flange on the pipe.
Common in larger diameter systems.
Easier to remove for maintenance but more expensive.

2. Based on Flow Control Mechanism

Rising Stem Globe Valve

The stem moves up and down as the valve opens/closes.
The handwheel moves with the stem.
Visual indication of valve position (open/closed).
Ideal for precision flow control.

Non-Rising Stem Globe Valve

The stem does not rise; only the disc moves inside the valve.
The handwheel rotates in place.
Suitable for tight spaces.
Easier to install in compact systems.

3. Based on Internal Construction

Balanced Plug Globe Valve

The disc is designed to balance fluid pressure.
Reduces operating torque.
Used in higher pressure applications.

Unbalanced Plug Globe Valve

The disc directly faces fluid pressure.
Requires more torque to operate under high pressure.
Common for low-pressure or small systems.

4. Based on Usage

Standard uPVC Globe Valve

For water supply, irrigation, and general fluid control.
Works in moderate pressure applications.

Chemical-Resistant uPVC Globe Valve

Special grades of uPVC for acidic or alkaline fluids.
Often used in chemical plants and wastewater treatment.

Why Choose Petron Thermoplast?

Petron Thermoplast is your go-to solution when you need precise flow control in industrial applications. They create higher pressure drops than some alternatives, but that tortuous flow path is exactly what gives them their incredible throttling capability.

Use Petron Thermoplast UPVC globe valves when: