Coupling

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Push-to-Connect Couplings

Series Push-to-Connect · HP Series

Push-to-Connect HP SeriesPush-to-Connect Couplings HP SeriesDescriptionThe double-acting sliding sleeve is fixed in the locked position by means of a pre-stressed spring. For the purpose of uncoupling it is able to slide in both axial directions. The two halves of the plug-type coupling are locked together securely by means of precision snap-in balls. The sliding sleeve can be installed in a bulkhead with retaining rings. In this way, the carrier fulfils the function of a breakaway coupling. Should a probe be torn away from a carrier installed in this way, the system is decoupled and the valves close automatically, thus preventing damage to the hose and possible loss of oil. In addition to the standard HP10 (size 12, 5) male tip we offer the HU12 (size 12, 5) male tip what can be connected under pressure with the standard female side HP10 (size 12, 5). Dimensions acc. to ISO 7241-1 A and ISO 5675 (for selected sizes). Working Pressure250 bar 25 MPa 3625 PSI The indicated pressure ratings only apply to the coupling itself and depend on the connection type. Working Temperature-25 C . +100 C -13 F . +212 F MaterialSteel Surface FinishingZinc-Plating and Thick-Film-Passivation (Chrome III) The common size 12, 5 is now available in zinc-nickel! Standard Seal Material(s)NBR (Buna-N), PTFE Alternative seal materials are available on request.

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Multi Couplings

Series Multi · MK Series

Multi CouplingsMulti Couplings MK SeriesDescriptionThe multi-coupling has been created for connecting and disconnecting several hydraulic lines at the same time. This is done by an operating lever the guide crank of which is designed for a minimum of operating force. The connection of the hydraulic lines is done with flat face couplings. Due to the secial sealing it is possible to couple against trapped pressure on the male halves (max. 4x100 bar 5802 PSI) The main features of the multi coupling are: Safety against commutability of hydraulic linesQuick connectingCoupling against trapped pressureOptimally minimized leakage during coupling process Working Pressure250 bar 25 MPa 3626 PSI MaterialSteel Surface FinishingZinc-Nickel Standard Seal Material(s)NBR (Buna-N), PTFE, PU

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Screw-to-Connect Couplings

Series Screw-to-Connect · HS Series

Screw-to-Connect CouplingsScrew-to-Connect Couplings HS SeriesDescriptionScrew-type couplings of the HS series are coupled by simply screwing the carrier and probe halves together until the thread contacts the limit stop. The coupling is designed to open both valves en bloc in this position. For this reason, and due to their rugged design, they are particularly well suited for heavy-duty service conditions in construction machinery. The range of operating pressures of this series is higher than that of the VOSWINKEL HP series. Screw-type couplings of the HS series can be coupled on both sides under pressure of up to 50 725 PSI bar. The self-locking connection thread prevents any disengagement of the screw connection caused by vibrations. The screw sleeve of the probe, when correctly locked, must cover the black brake ring of the carrier. Working Pressure300 . 450 bar 30 . 45 MPa 4350 . 6525 PSI The indicated pressure ratings only apply to thecoupling itself and depend on the connection type. Working Temperature-25 C . +100 C -13 F . +212 F MaterialSteel Surface FinishingZinc-Plating and Thick-Film-Passivation (Chrome III) Standard Seal Material(s)NBR (Buna-N) Alternative seal materials are available on request.

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Plastic Couplings

Series Plastic Couplings · KN Series

Plastic CouplingsPlastic Couplings KN SeriesDescriptionCouplings of the KN series are designed for use in maintenance systems for industrial batteries. They are used for filling and ventilating of battery cells. The couplings are made from high-quality synthetic materials with high thermal endurance and dimensional stability. Therefore, they are also suitable for use in medical applications, e. g. in dialysis devices. The spring-loaded sliding sleeve slides in axial direction for coupling or uncoupling. Locking of the two halves of the coupling is achieved by means of precision snap-in balls. The design of the coupling allows the use of probes with as well as without valves in carriers with valves. Working Pressure20 bar 2 MPa 290 PSI The indicated pressure ratings only apply to thecoupling itself and depend on the connection type. MaterialPlastic Standard Seal Material(s)NBR (Buna-N), FKM (Viton) Alternative seal materials are available on request.

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Test Couplings

Series STAUFF Test 20

STAUFF Test 20 (Type SMK20) Test Couplings with Ball CheckTest Couplings with Connection Thread M16 x 2 - SMK20Test Couplings with ball check for normal hydraulic applications and hydraulic applications with high-viscosity fluids. Area of ApplicationMonitoring and control of pressureVentingSampling in high- and low-pressure systems AdvantagesCoupling at system pressure levelLeakproof connection before ball valve is openSimple connection to measuring, control and switching devicesSelf locking metal guard cap MediaSuitable for hydraulic oils and other mineral oil based fluids(Check compatibility of sealing material)For use in conjunction with other liquid or gaseous media please consult STAUFFIn case of ultimate tightness requirements for gaseous media, a special Gas-type is available Working PressureMax. working pressure 630 bar 9137 PSIFor SMK style G and K the recommended working pressure of fitting manufacturer has to be applied.Joining under pressure up to 400 bar 5801 PSI max. MaterialsMetal parts made of:Steel, zincnickel-plated = C6F (CrVI-free)Optional:Stainless Steel V2A (1.4305 AISI 303) on requestStainless Steel V4A (1.4571 AISI 316Ti) on request Ball made of Stainless Steel Sealings made of:P = NBR (Buna-N) Temperature range -20 C . +100 C -4 F . +212 FV = FPM (Viton) Temperature range -20 C . +200 C -4 F . +392 FE = EPDM (Ethylene Propylene Diene Rubber) for brake fluid, Temperature range -40 C . +150 C -40 F . +302 F Protection CapThe complete STAUFF-Test-20-type-SMK range is also available with a hexagonal protection cap made of steel or plastic protection cap.

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