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Snap-tite快速接头
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68C8 Coupler Agricultural Components农业设备用快速接头

68C8 Coupler - This reliable, economical & versatile 1/2" ISO 7241-1 Series A (ISO-A) coupler is designed with a dual-acting sleeve with connect/disconnect-under-pressure capability. The sleeve is designed with snap ring grooves that allow it to fit in all industry standard brackets to allow one-hand connect/disconnect action.

68C8 Coupler : Agricultural Products
Agriculture Quick Disconnect Coupler with Dual Acting Sleeve


FEATURES
?Available in 1/2" size
? Working Pressure to 3,000 psi (207 bar)
?Heavy Duty Construction - Zinc yellow dichromate plated steel
?Double Shut-Off Configuration
?Push-to-Connect Coupler
?Interchangeable with other 1/2" standard ISO 7241-1 Series A couplings
?Capable of breakaway under pressure when bracket mounted

BENEFITS

Snap-tite does offer a durable stackable bracket that will hold two of the 68C8-8 couplers. It is also equipped with a drain tube to carry away the small amount of spillage that occurs upon disconnection. These brackets can also be equipped with automatic dust caps that will prevent damage and contamination from dust and dirt. When the 68C8-8 is used in a bracket, body movement is required thus leading to the need for a flexible connection.

 


Agricultural Couplings

Featuring...Snap-tite quality and experience in the most economical package
with a range that varies from the simplest to the most sophisticated couplings.

61DC8-8 Coupler


This is a dependable and economical 1/2. ISO 7241-1 Series A coupler which has a

dual-acting sleeve. The sleeve, which has snap ring grooves that allow it to fit most industry

standard brackets, permits one-hand connect or disconnect operation. This coupler is not

designed for connection under pressure.

The coupler is made from high strength steel with zinc yellow dichromate plating for
maximum corrosion resistance. The coupler is available with the following end fittings:

61DC8-8F 1/2. Female NPSF
61DC8-8RP 1/2. Female BSP
61DC8-8EF 1/2. Female SAE
Metric threads available on request

When used in a bracket, body movement during connection or disconnection
requires the use of a flexible connection. A plastic plug (61PDP-8) is available to
prevent contamination from dust and dirt.

68C8-8 Coupler

This is a reliable, economical and versatile 1/2” ISO 7241-1 Series A coupler with a
dual-acting sleeve and connect/disconnect under pressure capability. The sleeve, which has
snap ring grooves that allow it to fit all industry standard brackets, permits one-hand connect
or disconnect operation.

A stackable bracket (68B-8) is available. This durable bracket holds two couplers and is
equipped with a drain line to carry away the small spillage that occurs on disconnection.
The bracket is designed to be stacked allowing compact installation of many couplers.
When stacked, the drain lines interconnect thus requiring only one drain connection. The
brackets can be equipped with automatic dust caps (68BC-8) which prevent damage and
contamination from dust and dirt. This coupler allows connection with pressure in either
or both the tip (nipple) and coupler. After connecting pressurized components, operation of
the vehicle’s hydraulic control valve will open the coupling valves allowing fluid to flow.
The coupler is available with the following fittings:

When used in a bracket, body movement
during connection or disconnection requires the
use of a flexible connection.

68C8-8F 1/2. Female NPSF
68C8-8RP 1/2. Female BSP
68C8-8EF 1/2. Female SAE
Metric threads available on request

Stackable Brackets 68B-8

This durable bracket set holds two 68C8-8 couplers. Optional automatic dust
caps 68BC-8 for use with the bracket set are shown below.

Dust Plug for 61DC8-8 & 68C8-8 61PDP-8
Dust Cap for 63N8-8 PDC-12


This is a sophisticated and rigid-mounted breakaway cartridge with easy one-hand
connect/disconnect operation and extensive features and benefits. This coupler connects to
all tips conforming to the dimensional requirements of ISO 7241-1 Series A and ISO 5675.
The coupler can be connected with pressure in either or both the tip (nipple) and
coupler. After connection, operation of the vehicle’s hydraulic control valve will open the
coupling valves thus allowing fluid to flow.
This cartridge is designed to be used in a machined manifold cavity customized to meet
customer requirements. Manifolds incorporate spillage drain connections and can be equipped
with optional automatic rubber dust caps.
Interlock Cartridge Interlock Cartridge
63N8 Tip (Nipple)

 

.
This tip will connect at maximum working pressure.
.
Shielded valve prevents reverse flow checking.
.
Hardened nipple form for high performance and long life.
.
Clear zinc plated for excellent corrosion resistance.
.
Reliable poppet valve design with anti-blowout Buna seal for long leak-free life and
high flow rates.
.
Dimensional and performance requirements conform to ISO 5675.
.
Dimensional requirements conform to ISO 7241-1 Series A. This tip is recommended for
use with all agricultural couplers including
those shown in this catalog.

63N8-8F 1/2. Female NPSF
63N8-8RP 1/2. Female BSP
63N8-8EF 1/2. Female SAE
Metric threads available on request

Performance Information
61DC 68C
INTERLOCK
CARTRIDGE 63N8
Maximum working
pressure: psi (bar) 4000 (276) 3000 (207) 3000 (207) 3000 (207)
Burst Pressure:
psi (bar) 16000 (1103) 10200 (703) 10200 (703) 10200 (703)
Maximum reverse flow:
gpm (lpm) (1) N/A 33 (125) 60 (227) N/A
Connect force
at 0 psi: lb. (N) 60 (265) 60 (265) 60 (265) N/A
Connect force
at 2700 psi: lb. (N) N/A 65 (290) 65 (290) N/A
Disconnect force
at 0 psi: lb. (N) 50 (220) 50 (220) 50 (220) N/A
Disconnect force
at 2700 psi: lb. (N) N/A 290 (1290) 190 (845) N/A
Spillage on disconnect
at 2700 psi: cc’s / cycle 3.0 4.0 5.5 N/A
Overall length:
inches (mm) 2.71 (68.8) 3.26 (82.8) 3.45 (87.6) 1.95 (49.5)
Overall diameter:
inches (mm) 1.50 (38.1) 1.50 (38.1) 1.53 (38.9) 1.15 (29.2)

Flow Chart

FLOW RATE (lpm)
FLOW RATE (gpm)
PRESSURE LOSS (psi)
PRESSURE LOSS (bar)
23456789102030405060708090100
1
7.5711.3615.1418.9322.7126.5030.2834.0737.8575.70113.60151.40189.30227.10265.00302.80340.70378.50
3.79
INTERLOCKCARTRIDGE,68C861DC8

(1) = with shielded tip, such as 63N8
N/A = Not Applicable

Snap-tite offers a wide range of soft seated standard inline and cartridge style check valves in plated steel or 316 stainless steel. Other materials are also available upon request as are specially designed check valves to meet specific criteria. Standard sizes range from 1/4. to2. with pressures up to 6000 psi (415 bar) and flows to 175 gpm (662 l/min).

Inline adjustable and fixed flow controls are available in sizes from 1/4” through 1” with flows up to 30 gpm (115 l/min). All flow control valves manufactured by Snap-tite are pressure compensated to adjust for fluctuations in system pressures while providing accurate, consistent flow control.

Snap-tite can handle your specific application needs by using a standard product, modifying a standard product or designing a special product to meet your requirements. We work closely with the customer to tailor a product to their specific requirements allowing for a totally unique product if necessary. We will maintain special testing procedures to meet specific requirements as well.

 

   


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