• Designed and tested in accordance with AS4795.1
• AS4795.1 Certified product by SAI Global License No. SMK40321
• Australian Water Quality Centre approved to AS4020
• Bi-directional bubble tight sealing
• Vulcanised seat held securely in position making it suitable for vacuum applications
• High strength two piece shaft provides greater flow capabilities and eliminates pins & bolts
• Blow-Out proof stem ensures operator safety and eliminated OH&S issues
• Heavy duty shaft bushing ensures disc alignment & absorbs side thrusts, reducing valve wear whilst prolonging valve life
• Suitable for high repetition, actuated applications
• Precision disc machining ensures mirror image of seat profile enhancing low torque operation & reduced liner wear
• ISO interface flange allows changeability and standardisation of actuation equipment
• Robust, extended neck allows easy installation of insulation and ensures bearing integrity
• Flange seal connection is ensured with moulded double “O” rings seals eliminating the requirement for flange gaskets
• Lockable lever handle to prevent tampering

CHALLENGER-RESILIENT-SEATED-BUTTERFLY-VALVE-WAFER-DN50-DN300-AS47951-MODEL-BF-W [PDF]