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INDUSTRIAL INTERCHANGE - 2 THRU 6 SERIES COUPLERS


ZF-QD

One Way Shut-Off -- Series 2 thru 6

(Industrial Interchange)

Type: One Way Shut-Off -- Socket is valved, shutting off supply line at disconnect. Plug is un-valved, exhausting downstream line at disconnect. Install socket on pressure side of line.

Interchangeability: Standard industrial interchange design, most widely used in industry. 3 and 5 Series Automatic water
service comply with A-A-59439 (formerly MIL-C-4109F).
3-4-5-6 SERIES MEET ISO 6150-B, ANSI(NFPA)T3.20.14-1990.
IN ADDITION, SV SOCKETS MEET ISO 4414.

Rated Pressure: 300 PSIG; Vacuum to 27" Hg (connected)
Contact Foster for higher pressure applications.

Manual: Socket sleeve must be manually retracted to connect
and disconnect.

•  Low cost, general purpose coupler

•  Positive locking mechanism

•  65% more ball retention

•  Precision leak-proof seal and heavy steel sleeve.

Automatic: Inserting the plug into the socket automatically retracts the sleeve to connect. Manually retract the sleeve to disconnect.

•  One hand operation

•  One piece sleeve with rear crimp

•  Precision leak-proof seal

•  Long wearing pin type locking mechanism

•  Greater plug contact

Features:

•  High flow capability for small coupler

•  Precision leak-proof seal

•  Positive locking mechanism

•  Sockets other than standard have color coded seals:
Water (Blue), Steam (Black), Silicon (White), and Heat (Red)

Safety: To connect, insert plug and pull sleeve forward. To disconnect, push sleeve back while rotating first counter clockwise and then clockwise. As sleeve goes back, supply line is shut off, downstream line is exhausted, and plug is released. Remove plug.

•  100% safety

•  Connect and disconnect at ?0? pressure

•  Plug locked before air is turned on and downstream line is exhausted before plug is released, completely eliminating hose whip

•  Tested to 1,000,000 operations with no leakage

•  Special lubrication eliminates dry breakaway

Connection Sizes:

•  1/8" to 1" NPT

•  1/8" to 1" Hose Barb (Hose clamp required. See page 200 for Python hose clamps)

•  1/4" to 1/2" Push-on Hose Barb (Clamps not required when used with Push-On Hose. See page 369 for Push-On Hose)

Options:

Ball Lock (BL) -- Locks manual socket against accidental disconnect. To connect, align ball with slot. After connection,
rotate sleeve to lock. To disconnect, realign ball with slot and
retract sleeve.

Sleeve Lock (SL) -- Locks automatic socket against accidental disconnect. To connect, align notch with slot. After connection,
rotate sleeve to lock. To disconnect, realign notch with slot and retract sleeve.

BALL CHECK PLUG -- Eliminates hose-whip at disconnect by checking the rapid flow of downstream exhaust air.

SWIVEL PLUGS -- Free swivel under pressure. Eliminates hose twist on end drop applications such as blow guns, air tools, etc.

Performance Data:

ZSi-Foster Series Body Size Psig Rated Pressure, Coupled (Body/Sleeve) Pressure Drop
Air Flow -- CFM Water Flow
100 PSIG 80 PSIG GPM 60 PSIG
Brass/Steel Brass/Brass Steel/Steel S.S./S.S. 10 PSIG 5 PSIG 10 PSIG 5 PSIG 10 PSIG 5 PSIG
Series 2 1/8" 300* 300* N/A 300* 16 12 14 11 1.8 1.2
Series 3 1/4" 300* 300* 300 300* 36 26 33 24 3.7 2.5
Series 4 3/8" 300* 300 300 300* 68 50 62 45 6.8 5
Series 5 1/2" 300* 300 300 300* 118 90 107 82 11 8
Series 6 3/4" 300 300 300 N/A 190 135 172 122 22 16

* Contact factory for higher pressure applications.

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