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Walther Coupling Catalog | Walther plate mounted Electrical & Fiber Optic Connectors | Walther catalogs and brochures in PDF format | Pressure Testing& Accessories |
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Walther couplings are arranged in a number of series or 'families' of couplings, each series sharing distinctive features and characteristics. Within each series are variations of size, materials, seals, end fittings, options etc.
Walther features a modular construction system, so that many end fittings are available for each size and type of coupling.
The Walther part number system is long, but very descriptive.
Overview of the Walther Coupling Range
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| Series |
End fitting size range |
Working Pressure psi |
Cv |
Features |
Click on picture to enlarge |
| LP |
1/8" - 2" |
435 - 2,900 |
0.17 - 68 |
General purpose Low Pressure coupling. Also available in 2 & 3 branch versions. Includes 06, 07,LV & SP sub-series. |
(click photo below) |
| 06 |
1/8" |
1,450 |
0.17 |
Very small, male side not valved. Part of LP Series |
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| 07 |
1/8" |
2,900 |
0.14 |
One hand operation. Part of LP Series |
| LV |
1/8" - 1/4" |
860 |
0.3 |
Extended body . Part of LP series |
(click photo above) |
| SP |
1/4" - 1/2" |
1,450 |
0.73 |
High pressure version of LP-006. LP Series. May be marked with "NW6" on 6mm version. |
MD
&
SG |
1/4" - 2-1/2" |
1,450 - 3,625 |
0.73 - 68 |
General purpose Medium Pressure couplings. Also available for plate mounting & sub-sea use. |
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| HP |
1/8" - 2-1/2" |
2,900 - 40,000 |
0.1 - 82 |
General purpose High Pressure couplings. Also for plate mounting, esp. for subsea use. Very robust, esp. with RV option. |
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| KL |
1/4" - 2" |
145 - 170 |
0.73 - 30 |
Popular low cost, corrosion resistant, plastic couplings. Mates w/LP couplings. |
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| UF |
1/4" - 2" |
435 - 580 |
0.73 - 29 |
Non-round, non-interchangeable shapes. |
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| 32 |
1/4" - 1/2" |
20 - 290 |
0.82- 2.5 |
Bleed-off air line couplings. Bleeds pressure from air lines on disconnection. |
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| 904 |
2mm - 6mm tube |
10- 145 |
thru |
Miniature, multi-tube fluidic connectors. |
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| 11 |
3/4" & 1" |
360 - 650 |
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Designed specifically for heat transfer oils. 590ºF continuous. Jam-free locking mechanism. |
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| 22 |
various |
various |
various |
Couplings primarily for medical applications: kidney dialysis, body fluids, diagnostic machines etc. |
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| LD |
various |
various |
various |
Designed for a variety of medical gases. Conforming to European Standard EN 739. |
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| TE |
1/2" - 2' |
435 - 775 |
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All PTFE seals. For cryogenic temp. to 480F, aggressive & mixed fluids. |
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| EH |
1-1/4" - 4" |
230 - 725 |
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EZ connect, EZ flow for pastes, powders, food, etc. Zero insertion length. Non-valved. |
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| 31 |
-- |
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Gasoline couplings to mate with SAE J2044 nipples. Primarily for auto engine testing. |
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| SH |
3/8" - 3/4" |
10,000 |
1.2 |
Screw-together, high pressure for diver operation. Metal primary seal for subsea use. |
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| Series |
End fitting size range |
Working Pressure psi |
Cv |
Features |
Click on picture to Enlarge |
| FF |
1/4" |
3,900 |
0.5 |
For hydraulic diagnostics. Can be connected at 270psi. |
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| LC |
1/8" - 2" |
360 - 2,902 |
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Drip free, leaves wetted surfaces only. Suitable for non-lubricating & aggressive chemicals. |
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| BF |
1/4" - 2" |
200 - 930 |
0.72- 60 |
Drip free, leaves wetted surfaces only. Suitable for non-lubricating & aggressive chemicals. EZ clean. Push to connect. 2" has integral, interlocked valve. |
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| CL |
1/4" - 4-1/2" |
580- 2,470 |
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Hand operated version of CS. Not recommended for non-lubricating fluids (eg solvents). |
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| HC |
1/8" - 1" |
5,900 - 22,000 |
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For high pressure & hydraulics. |
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| CG |
3/8" - 1" |
12,500 |
1.2 |
High pressure, multi-fluid, corrosion resistant. Good for very wide range of fluids & environments, including offshore rigs. |
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| HG |
-6SAE and 1/4"NPT |
10,150 |
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Gaseous hydrogen (high pressure and break-away) couplings for automotive refueling. |
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| Series |
End fitting size range |
Working Pressure psi |
Cv |
Features |
Click on picture to enlarge |
| CS |
1/4" - 4" |
230 - 725 |
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Plate mounted version of CL. 4 to 100mm bore. Most popular plate mounted clean-break coupling. |
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| CD |
1/4" - 2" |
725 - 3,300 |
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High pressure plate mounted. Also available with 1/2" axial insertion tolerance for easy alignment. |
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| 85 |
M24 x 1.5 |
5,000 |
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Cartridge mount primarily for machine tool hydraulics. Excellent for high cycle operation. |
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| 84 |
1-1/4" & 1-1/2" |
12,500 |
0.55 |
Cartridge mount, metal primary, elastomeric secondary seals. Primarily for subsea trees. |
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