Stauff Test 20 Type SKK Test Couplings

Stauff Test 20 Type SKK Test Couplings 2018-01-16T14:39:22+00:00

STAUFF Test 20 (Type SKK20) Test Couplings with Piston Valve

STAUFF Test 20 (Type SKK20) Test Couplings with Piston Valve


Test Couplings with Connection Thread M16 x 2 – SKK20

Test Couplings with piston valve for:
▪ Hydraulic applications with low-viscosity fluids (e.g. water, cooling lubricants, etc.)
▪ For high, pulsating pressures
▪ For customer philosophy “Soft sealing / non metal to metal seal”
▪ Pneumatic applications
▪ Natural gas applications with DVGW requirement SKK-DVGW
▪ Other gas applications without DVGW requirements SKK-GAS
▪ Filling (flow in opposite direction) SKK-FÜLL

Area of Application
▪ Monitoring and control of pressure
▪ Venting
▪ Sampling in high- and low-pressure systems
▪ Filling of accumulators (special filling-version)

▪ Coupling at system pressure level
▪ Leakproof connection before ball valve is open
▪ Simple connection to measuring, control and switching devices
▪ Self locking metal guard cap

▪ Suitable for hydraulic oils and other mineral oil based fluids (Please pay attention to the sealing materials used)
▪ For use in conjunction with other liquid or gaseous media please consult STAUFF
▪ In case of ultimate tightness requirements for gaseous media, a special Gas-type is available

Working Pressure
▪ Max. working pressure 630 bar / 9137 PSI
For SKK 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.


How It Works

How Stauff Test Couplings Work

Metal parts made of:
▪ Steel, zinc/nickel-plated = C6F (CrVI-free)
▪ Stainless Steel V2A (1.4305 / AISI 303) on request
▪ Stainless Steel V4A (1.4571 / AISI 316Ti) on request

Seals made of:
P = NBR (Buna-N®)
Temperature range -20 °C … +100 °C / -4 °F … +212 °F
V = FPM (Viton®)
Temperature range -20 °C … +200 °C / -4 °F … +392 °F
E = EPDM (Ethylene Propylene Diene Rubber)
for brake fluid, Temperature range -40 °C … +150 °C / -40 °F … +302 °F

Protection Cap
▪ The complete STAUFF Test-20-type-SKK range is also available with a hexagonal protection cap made of steel or plastic protection cap.


Stauff Anglia Ltd
Unit 405 Copper Smith Way
Norfolk NR18 0WY

T: 01953 857158
F: 01953 857159
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