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Pneumatic Ball Valves
Overview and Selection Guide

About Pneumatic Ball Valves

First of all, let's clear one thing up. The ball valve itself is not pneumatic. When someone says "pneumatic ball valve" they mean a regular ball valve with a pneumatic actuator. Valves built for automating typically have an industry standard (ISO 5211) 4-bolt mounting pad that the actuator mounts to.

Ball Valve Types

Pneumatically actuated 2-way ball valves are a simple solution for many basic on/off applications. They rotate 90 degrees (quarter-turn) from fully open to fully closed. While they typically operate more quickly than valves with an electric actuator. Pneumatic ball valves come in many different materials that are listed below.

2-way Ball Valves

P2

PVC Ball Valve
PVC
NPT: 1/2" to 4"
Glue: 1/2" to 4"

SM

Brass Ball Valve
Brass
NPT: 1/2" to 2"

101

Ni Plated Brass Ball Valve
Ni Plated Brass
NPT: 3/8" to 3"

250LF

Lead Free Brass Ball Valve
No Lead Brass
1/2" to 2"

26

Stainless Steel Ball Valve
Stainless Steel
NPT: 1/4" to 3"

 

 

36

Stainless Steel Ball Valve
Stainless Steel
NPT: 1/4" to 3"
SW: 1/4" to 3"
T-Clamp: 1/2" to 4"

150/300F

ANSI Flanged Ball Valve
CS or SS
150#: 1/2" to 8"
300#: 1/2" to 8"

HPF

Fire-Safe Ball Valve
CS or SS
NPT: 1/2" to 4"
SW: 1/2" to 4"

XLB

PFA Lined Ball Valve
PFA lined DI
150#: 1/2" to 6"

V

V-port Ball Valve
CS or SS
NPT: 1/2" to 8"
150/300: 1/2" to 8"
T-Clamp: 1/2" to 4"
2-way Ball Valve
Comparison Chart

We also carry 3-way pneumatic ball valves which offer a simple solution for diverting applications like a bypass line or input or output line selectors. These also come in a variety of materials and with various actuator types.

3-way Ball Valves

PTP

PVC 3-way Ball Valve
PVC
NPT: 1/2" to 2"
Glue: 1/2" to 2"

31D

Brass 3-way Ball Valve
Brass
NPT: 1/4" to 2"

33D

SS 3-way Ball Valve
Stainless Steel
NPT: 1/4" to 2"

30D

Sanitary 3-way Ball Valve
T-clamp: 1/2" to 4"

MPF

ANSI Flanged 3-way Ball Valve
CS or SS
150#: 3/4" to 6"
300#: 1 1/2" to 6"
3-way Ball Valve
Comparison Chart

Pneumatic Actuator Types

There are two main types of pneumatic actuators: scotch yoke and rack-n-pinion. While they both perform basically the same rotational operation on quarter turn ball valves, they do so using a different mechanical technique. Both types are available in spring return and double (direct) acting. Spring return pneumatic actuators will return to a "fail-safe position" upon loss of power or supply air. That position could be open or closed, whichever provides the best result for that system. Double acting pneumatic ball valves will simply remain in their current position when power or supply air is lost.

Scotch Yoke (dual)

P Series (double acting)

Double Acting dual scotch yoke pneumatic ball valve actuator
Aluminum alloy with corrosion resistant coating
up to 25,600 in./lbs.
On/Off with solenoid valve
Modulating with positioner
Many position indicators available

P Series (spring return)

Spring Return dual scotch yoke pneumatic ball valve actuator
Aluminum alloy with corrosion resistant coating
Fail-safe position (open or closed)
up to 25,600 in./lbs.
On/Off with solenoid valve
Modulating with positioner
Many position indicators available

Rack-n-Pinion (dual)

F Series (double acting)

Double Acting Rack-n-pinion pneumatic ball valve actuator
Chromated aluminum with dual component polyurethane coating
Fail in place
up to 40,000 in./lbs.
On/Off with solenoid valve
Modulating with positioner
Many position indicators available

F Series (spring return)

Spring Return Rack-n-pinion pneumatic ball valve actuator
Chromated aluminum with dual component polyurethane coating
up to 40,000 in./lbs.
On/Off with solenoid valve
Modulating with positioner
Many position indicators available
Pneumatic Valve Actuator
Comparison Chart
Need Help Selecting an Pneumatic Ball Valve?
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