Type 21 Ball Valves

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Series: Type 21
Sizes: 3/8″- 4″
Ends: Socket, Threaded, Flanged, Butt, or ChemFlare
Seats: PTFE
Seals: EPDM, FKM (Viton®)
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Description

Type 21 True Union Ball Valves

The Chemline Type 21 True Union Ball valve incorporates state of the art features for long term performance. This is a full port, full blocking True Union valve pressure rated at 16 bar (230 psi). Double stem o-rings and Safety Shear stem design provide for a high degree of safety on hazardous fluid applications. All sizes have an ISO standard actuator mounting platform integral to the valve body. This provides for sturdy and secure mounting of pneumatic or electric actuators.

✓ Full Port
High capacity and low pressure drops
✓ Fully Blocking
Downstream union nut may be safely disassembled for piping maintenance while valve is closed off under full system pressure
✓ Pressure rated to 230 psi
Provides a high factor of safety
✓ Safety Shear Stem Design
Double Stem o-ring Design allows valve to hold full pressure even if stem breaks due to excessive torque
✓ Built-In Spanner Wrench
Top of the handle is designed to be used as a tool for accessing internal parts

Technical

Options

Optional lock-out and Hasp
Lock-out and Hasp
Different Colour Handles
Different Colour Handles
 4 to 6 inch Moulded Socket End Adapters
4″ to 6″ Socket Ends
ChemFlare Ends for Leak-free PFA Tubing
ChemFlare Ends
Municipal Operating Nut
Municipal Operating Nut
Manual Limit Switch
Manual Limit Switch
Panel Mount Insulation Displacement Stem Extension

Panel Mount Insulation Displacement Stem Extension

Stem Extensions

Stem Extensions

Vented Ball
Vented Ball
Valve Tags
Valve Tags
Valve Tags
Gear Operators
Chain-wheel Operators
Chain-wheel Operators

Electric Actuation

Model Valves/Torque Operation/Control Position Indication
E-series electric actuator
ER-Series
Ball up to 4″
Butterfly up to 4″
Torque: up to 885 in-lbs
On-Off (2/3 wire)
Adjustable Travel

Optional:
Failsafe
Modulating
BUS (custom)
Visual
2 Feedback Switches

Optional:
2 Extra Feedback Switches
Feedback Potentiometer
Feedback Transmitter
ERS-series electric actuator
ERS-Series
Ball up to 2″
Torque: up to 180 in-lbs
On-Off (2/3 wire)
Adjustable Travel
Visual
2 Feedback SwitchesOptional:
2 Extra Feedback Switches
Feedback Potentiometer
Feedback Transmitter
ERF-series electric actuator
ERF-Series
Ball up to 2″
Torque: up to 180 in-lbs
Fast-Acting On-Off (2/3 wire)
Adjustable Travel
Visual
2 Feedback SwitchesOptional:
2 Extra Feedback Switches
Feedback Potentiometer
Feedback Transmitter
V-series electric actuator
V-Series
Ball up to 6″
Butterfly up to 20″
Torque: up to 8850 in-lbs
On-Off (2/3 wire)
Adjustable Travel

Optional:
Failsafe
Modulating
BUS (custom)
Visual
2 Feedback Switches

Optional:
2 Extra Feedback Switches
Feedback Potentiometer
Feedback Transmitter

Pneumatic Actuation

Model Valves/Torque Application Material
PA Series pneumatic actuator
PA-Series
Ball up to 6″
Torque: up to 40660 in-lbs
Industrial Process
Submerged
Bleach / water washdown
Rilsan-coated aluminun
PP-series pneumatic actuator
PP-Series
Ball up to 6″
Torque: up to 1335 in-lbs
Industrial Process
Minimal use of metal
Glass-filled Polyamide
P3-series pneumatic actuator
P3-Series
Ball up to 6″
Torque: up to 8850 in-lbs
Corrosive
Submersed
Off-shore
316 Stainless steel
Actuator Accessories
Pneumatic Actuator Accessories
Chemline has a full range of Postioners, Limit Switches, Solenoids, Filter Regulators and other air handling accessories.