Quick-Connect Fitting Comparison
G.A. Murdock is a wholesale supplier of plastic quick-connect fittings for use in water and air applications. We sell direct to Water conditiong dealers, manufacturers and other Qualified Wholesale Buyers.
We manufacture several lines of Mur-lok Fittings, Valves and Tubing in South Dakota, USA. We also distribute all of the quick connect fitting lines listed below from our warehouses in South Dakota and Florida. These plastic fittings can be used in cold water applications and non-oiled compressed air solutions within the given pressure limits. Additional chemical compatibility information is available depending on the chemical solution passing through the fittings and o-rings. Most fittings have been certified for use with purified and Reverse Osmosis(RO) drinking water.
Mur-lok® Polypropylene Fittings | John Guest Speedfit® Fittings | John Guest Twist & Lock CTS Fittings | SeaTech/AquaLock® Fittings | |
---|---|---|---|---|
Shop Mur-lok | Shop JG Speedfit | Shop JG CTS | Shop SeaTech | |
Material | Black or White Polypropylene Black polypropylene also provides UV resistance. | Grey Acetal Other materials available upon request. Chemical Compatibility | Black or White Engineered Plastic Polymer details not available from manufacturer | Off-White Polysulfone Chemical Compatibility |
O-Ring Seals | Dual EPDM O-Rings 2 EPDM o-rings per connection. Optional fluorocarbon o-rings for increased chemical resistance | Buna-N O-Rings 1 Buna-N o-ring per connection | Buna-N O-Rings 1 Buna-N o-ring per connection | EPDM O-Rings 1 EPDM o-ring per connection |
Nominal Tube Sizes | Outer Diameter | 1/4", 5/16", 3/8", 1/2", 5/8" | 1/2", 3/4", 1" | 1/4" (OD), 3/8", 1/2", 3/4", 1" |
Working Temperatures & Pressures | Cold water use only | Cold water use only 10 Bar @ 23°C | Cold water use only 11 Bar @ 23°C | Cold water use only 17.25 Bar @ 24°C |
Certification | NSF/ANSI Standard 58 (approved for use as a component within NSF/ANSI certified systems) | NSF/ANSI Standard 51/61 | NSF/ANSI Standard 51/61 | NSF/ANSI Standard 61 |
Origin | Made in U.S.A. | Made in U.K. | Made in U.K. | Made in China |
Browse Mur-lok | Browse JG Speedfit | Browse JG CTS | Browse SeaTech |
Tubing MaterialsQuick-connect push-in fittings can be used with any of the following ridgid and semi-ridgid tubing:
| Applications & Industries
|