# Plastic Actuator Pneumatic Flanged Angle Seat Valve

Date: 2026-07-15
Categories: Solenoid Valve
URL: https://homipneu.com/plastic-actuator-pneumatic-flanged-angle-seat-valve.html

## Product Summary

The Plastic Actuator Pneumatic Flanged Angle Seat Valve controls air, water, steam, and compatible fluids in automated pipelines. Available in DN15–DN100, it combines a pneumatic actuator with a flanged body for cleaning systems, heating lines, and process equipment. Confirm flange standard, control function, seal, pressure, and temperature before ordering. HOMIPNEU supports OEM & ODM supply.

### Specifications

Parameter
Description

Product Name
Plastic Actuator Pneumatic Flanged Angle Seat Valve

Valve Type
Pneumatically operated angle seat shut-off valve

Valve Function
2 ports, 2 positions

Operation Type
Pneumatic piston actuator

Actuator Housing
Engineering plastic

Process Connection
Flanged connection

Nominal Size Range
DN15 to DN100

Displayed Product Marking
DN40, PN16

Valve Body
Metal angle seat body; confirm stainless steel grade before ordering

Pilot Connection
1/4 inch shown in the dimensional drawing

Control Function
Normally closed, normally open or double acting; confirm before ordering

Working Medium
Air, water, steam, gases and compatible process fluids

Flow Direction
Conventional or water-hammer-reducing installation

Typical Applications
Steam pipelines, water systems, cleaning equipment, heating lines and process machinery

Selection Checks
Confirm DN size, flange standard, pressure class, body material, seat seal, control function, pilot pressure, medium, temperature and operating pressure

The current page confirms the DN15–DN100 size range, flanged body dimensions and 1/4-inch actuator connection. The displayed product body is marked DN40 and PN16, but the pressure class and material grade for every size should still be confirmed before publication or ordering.

### Dimensions

![Dimensions](https://homipneu.com/wp-content/uploads/2026/07/20260715104018176035-900x476.webp)

Model
L
T
f
D
C
B
A
H
E
N-Φd
Actuator
Waterproof Hammer

DN15
120
14
2
95
65
40
185
160
64
4-Φ14
Φ50
Φ50

DN20
120
14
2
105
75
50
185
160
64
4-Φ14
Φ50
Φ50

DN25
142
14
2
115
85
60
200/230
170/205
64/80
4-Φ14
Φ50/Φ63
Φ63

DN32
155
16
2
135
100
70
240
210
80
4-Φ18
Φ63
Φ80

DN40
183
16
2
145
110
80
250
215
80
4-Φ18
Φ63
Φ80

DN50
196
16
2
160
125
92
260/280
220/230
80/100
4-Φ18
Φ63/Φ80
Φ100

DN65
230
18
2
185
145
115
300
270
100
4-Φ18
Φ80
Φ100

DN80
250
18
2
195
160
130
360
310
126
8-Φ18
Φ100
Φ125

DN100
280
18
2
215
180
150
380
330
126
8-Φ18
Φ100
Φ125

These dimensions are taken from the table currently published on the HOMIPNEU page. The flange standard, flange pressure class and final actuator configuration should be checked against the supplied model drawing before ordering.

### Product Features

**Pneumatic 2/2 Way On-Off Control**The valve uses a pneumatic piston actuator to open or close the two-port process flow path. Pneumatically actuated angle seat valves are widely used as shut-off or process-control valves for liquids, gases and steam.

**Flanged Pipeline Connection**The flange body provides a bolted connection for industrial pipelines and larger nominal sizes. The matching flange standard, pressure class, gasket, bolt pattern and pipeline dimensions must be confirmed before installation.

**DN15 to DN100 Size Range**The published dimensional table covers DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80 and DN100, allowing selection for both equipment pipelines and larger process systems.

**Lightweight Plastic Pneumatic Actuator**The engineering plastic actuator reduces actuator weight while providing pneumatic valve operation. Established industrial angle seat valve designs also use plastic piston actuators with flange, spigot and threaded body options.

**Conventional Flow Direction**The dimensional drawing identifies the high-inlet and low-outlet arrangement as the conventional flow direction. The process pressure assists the selected operating configuration according to the valve design.

**Water-Hammer-Reducing Installation Option**The drawing identifies low-inlet and high-outlet installation as the water-hammer-reducing arrangement. The larger actuator listed for some sizes should be selected according to pipeline pressure and the required flow direction.

### Applications

**Industrial Steam Pipelines**Suitable for automated steam switching in heating systems, laundry equipment, sterilization support systems and process machinery when the body, seal, pressure and temperature ratings match the application.

**Water and Hot-Water Systems**Used in water supply, cooling circuits, washing equipment, heat exchangers and automated cleaning systems requiring pneumatic pipeline shut-off.

**Compressed Air and Gas Control**Applied to compressed-air lines and compatible industrial gas systems where a pneumatic pilot signal operates the main process valve.

**Industrial Process Equipment**Suitable for textile machinery, chemical equipment, filling systems, temperature-control equipment and general automated fluid-handling systems.

**Large Pipeline Isolation**The DN15–DN100 range and flanged body make the series suitable for installations where threaded or clamp connections are not appropriate.

Industrial angle seat valves are commercially available for liquid, gas and steam service, but actual compatibility depends on the supplied body material, seat seal, process pressure and temperature rating.

### Why Choose HOMIPNEU

HOMIPNEU supplies pneumatic angle seat valves, flanged process valves, threaded valves, quick-clamp valves, steam solenoid valves, pneumatic control valves, directional valves, fittings, cylinders and air preparation components.

We help customers confirm nominal size, flange standard, pressure class, actuator size, control function, body material, seat seal, pilot pressure, working medium, process pressure, temperature and installation direction.

For OEM customers and distributors, HOMIPNEU supports bulk supply, private label packaging, export cartons, dimensional confirmation and product-selection support.

### FAQ

**What is a pneumatic flanged angle seat valve used for?**It is used for pneumatic on-off control of air, water, steam, gas and compatible process fluids in industrial pipeline systems.

**Is this a 2/2 way valve?**Yes. A standard angle seat shut-off valve has two process ports and two operating states: open and closed.

**Is this valve welded directly to the pipeline?**No. The product shown on the current page uses two bolted flange connections. The existing “Welding Angle Seat Valve” name does not match the displayed product or dimensional drawing.

**What sizes are available?**The published range includes DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80 and DN100.

**What does PN16 on the valve body mean?**PN16 identifies the nominal pressure class marked on the displayed DN40 product body. The applicable pressure rating for each size and operating temperature must be confirmed from the final specification.

**Can the valve be used for steam?**Pneumatic angle seat valves are commonly available for steam service, but the selected body material, seat seal, actuator temperature limit and pressure rating must match the steam conditions.

**Is the valve normally closed or normally open?**The page title and dimension table do not define one fixed control function. Confirm whether the required version is normally closed, normally open or double acting before ordering.

**What is the water-hammer-reducing flow direction?**The current drawing identifies low inlet and high outlet as the arrangement intended to reduce water-hammer effects. Installation must follow the selected valve configuration and actuator sizing.

**What should be confirmed before ordering?**Confirm the DN size, flange standard, pressure class, bolt pattern, body material, seat seal, control function, actuator size, pilot pressure, medium, operating pressure, temperature and flow direction.

**Does HOMIPNEU support OEM and distributor orders?**Yes. HOMIPNEU supports OEM and ODM supply, bulk orders, private labeling, export packaging and specification confirmation for pneumatic process valves.

### OEM & ODM Support

HOMIPNEU provides OEM and ODM support for plastic actuator flanged angle seat valves, threaded and quick-clamp angle seat valves, stainless steel process valves, steam valves, pneumatic control valves, solenoid valves, fittings and related automation components. Customers can provide the DN size, flange standard, pressure class, actuator type, control function, body material, seal, medium, pressure, temperature, packaging requirements and expected quantity for accurate selection and supply.