שסתום אל-חוזר

תכונות מיוחדות

• Safety factor 4:1 for pressurised parts
• One-piece, robust case construction prevents leaks
• High repeatability and bubble-tight sealing through self-centring piston
• Redundant sealing with O-ring and metal cone
• Leak-tested tightness in accordance with BS 6755 / ISO 5208 leakage rate A