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For remote actuation , factory-assembled Hoke Space Saver™ Actuators are available. D, DL, T and TL series valves can be ordered with welded end fittings to prevent accidental disassembly or with gasketed end fittings, if valve rebuild becomes necessary.

Hoke's DL/TL ball valves are uni-directional, high cycle valves that exceed 100,000 cycles with zero seat leakage. Depending on seat, seal, and washer material selected.

Unit of Measure

Specifications | Features & Benefits

Specifications

End Fitting to Body Connection	N/A Gasketed
Connections - Inlet	N/A 1/4" NPT Female
Connections - Outlet	N/A 1/4" NPT Female
Body Material¹	N/A Monel
Cv Factor	N/A 1.44
Orifice	N/A 0.25 in6.35 mm
Maximum Operating Pressure	N/A 3000 psig at 70° F (207 Bar at 21° C)
Operating Temperature Range	N/A -40 to +350 ºF-40 to +177 ºC
A	N/A 2.40 in61.0 mm
B	N/A 1.46 in37.1 mm
C	N/A 0.94 in23.9 mm
Cycle Life	N/A 100000 cycles
Proof Pressure Safety Factor	N/A 2:1
Burst Pressure Safety Factor	N/A 4:1
Actuation Method	N/A Lever Handle
Packaging Material	N/A PTFE Graphite Filled PTFE
Seat Material	N/A PTFE
Washer Material	N/A PTFE
Delta Back-up Ring Material	N/A PTFE
Seal Material	N/A Graphite-filled PTFE/Elgiloy®
Stem Seal Type	N/A Energized PTFE seal
Denotes Live-Load Seats	N/A Live Loaded Seat (Uni-directional Flow)

Features & Benefits

N/A Delta stem seal (D & DL)

Improved cycle life
No packing adjustment required
Rated to 6000 psig (414 bar)
Low operating torque for ease of operation

Spring-loaded PTFE seal (T& TL)

Compensates for wear and thermal cycling with zero leakage, providing excellent durability and reliability.

Choice of end-fittings for versatility

70 Series - welded
71 Series - gasketed

Live-loaded seats (DL & TL)

Compensates for wear and thermal cycling with zero leakage, providing excellent durability and reliability.
Ensures leak-tight performance over entire pressure range simplifying ball valve specification and installation, saving time and expense.

Static -grounded stem

Prevents static discharge for added safety

Quarter-turn handle

Quick on/off simplifies operation and saves time.
Directional handle provides quick visual indication of orifice, improves operator efficiency and safety.
Special High Tolerance NPT Thread

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Catalog

Specifications

End Fitting to Body Connection

Connections - Inlet

Connections - Outlet

Cv Factor

Orifice

Maximum Operating Pressure

Operating Temperature Range

A

B

C

Cycle Life

Proof Pressure Safety Factor

Burst Pressure Safety Factor

Actuation Method

Packaging Material

Seat Material

Washer Material

Delta Back-up Ring Material

Seal Material

Stem Seal Type

Denotes Live-Load Seats

Features & Benefits

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