Couplings for Tension-Resistant Connection of Metal Pipes
Nominal sizes: 26.9 – 609.6 mm (pipe outer diameters)
Operating pressure: 1 – 46 bar
Operating temperature:
EPDM seal: –30 °C to +100 °C
NBR seal: –20 °C to +80 °C
FPM/FKM seal: –20 °C to +180 °C
Application area: Pipe connection / Repair by splicing
Housing materials: AISI 316L / 316TI
Screws: A4-80 stainless steel
Bolts: AISI 316L / 316TI
Anchoring rings: AISI 301
Seal compatibility:
EPDM: water, air, solids, chemical products
NBR: water, gas, oil, fuels, hydrocarbons
FPM/FKM: ozone, oxygen, acids, oil, and fuels (with inner “strip insert” protection ring only)
Accessories: Inner protection ring (“strip insert”) – AISI 316L / PVDF
The STRING team offers specialized after-sales consulting
STRING, founded in 2000, is a Romanian company specializing in industrial fluid control solutions. We are the exclusive representative in Romania and Moldova for leading brands such as GEMÜ, BERNARD CONTROLS DEUFRA, WEY SISTAG, BRAY, STRAUB, and DOCKWEILER, and we offer ISO-, SRAC-, and IQNet-certified products and services.