THIS PLANNING IN DATA SHEET IS THE PROPERTY OF PROCESS COMPONENTS LTD AND MUST NOT BE COPIED TO A THIRD PARTY WITHOUT WRITTEN CONSENT. MUCON IS A REGISTERED TRADE MARK CLEARANCE HOLES DIAPHRAGM ADJUSTMENT H4 (100mm) Valve - No transit cover is available for this valve. *HPDC INCLUDES MULTI NOTCHES & FOUR COVER RETAINING LUGS. OPTIONAL QUICK RELEASE Series H Hand Operated Iris Diaphragm Valve Although every effort is made to ensure this data is current, our products are subject to ongoing development and accordingly we reserve the right to change specifications and details without prior notice. Always request a certified drawing