{"product_id":"mc9-sc-1st-stage","title":"MC9-SC 1st Stage","description":"\u003cp data-end=\"402\" data-start=\"0\"\u003eCressi MC9 SC 1st Stage is designed for cold water diving while remaining versatile for use in a wide range of environments. It combines a balanced diaphragm first stage with a Sealed Chamber cold water system to deliver consistent high performance in water temperatures below 10 degrees Celsius. The design focuses on reliability ease of maintenance and reduced weight without compromising durability.\u003c\/p\u003e\u003cp data-end=\"2530\" data-start=\"404\"\u003eKey Features:\u003cbr\u003eBalanced Diaphragm First Stage: Delivers stable and reliable performance across varying depths and cylinder pressures.\u003cbr\u003eSealed Chamber Cold Water System: Environmentally sealed design protects against icing in cold water and contamination in silty conditions.\u003cbr\u003eHyper Balanced Membrane: Increases intermediate pressure slightly as cylinder pressure decreases to maintain peak performance at the most critical phase of the dive.\u003cbr\u003eOptimised Lightweight Body Design: Engineered wall thicknesses minimise weight while maintaining strength and durability.\u003cbr\u003eChromium Plated Brass Construction: Light compact structure with internal components in stainless steel chromium plated brass and advanced thermoplastic resins.\u003cbr\u003eSemi Flexible Elastomer Sheath: Protects the first stage from impacts and erosion during use and transport.\u003cbr\u003eStainless Steel AISI316 HP Seat: Harder than traditional brass seats to resist deformation from metallic particles and extend service life.\u003cbr\u003eReplaceable High Pressure Seat: Allows straightforward replacement during servicing to maintain long term reliability.\u003cbr\u003ePolyurethane Valve Construction: Offers high mechanical resistance and compatibility with oils and hyperoxic mixtures.\u003cbr\u003eOptimised Internal Airflow System: Exclusive distribution chamber channels air directly to LP outlets to minimise pressure drop during forced breathing to 0.5 BAR.\u003cbr\u003eHigh Capacity Conical Filter: Hat shaped filter design provides effective filtration without the need for a circlip.\u003cbr\u003eHigh Pressure And Low Pressure Ports: Equipped with 2 HP outlets seven sixteenth UNF and 4 LP outlets three eighth UNF for flexible configuration.\u003cbr\u003eAnti Pressure Drop Pneumatic Spring: Maintains consistent airflow during high demand breathing.\u003cbr\u003eDIN And INT Compatibility: DIN threaded connection manufactured in stainless steel for increased resistance to impacts and compliance with EN ISO 1209 and EN 250 2014 standards.\u003cbr\u003eService And Calibration Pressure: INT version service pressure rated to 232 BAR with calibration pressure set to 10 BAR.\u003cbr\u003eWeight Options By Connection Type: INT version weight is 650 g and DIN version weight is 510 g.\u003c\/p\u003e\u003cp data-end=\"2822\" data-is-last-node=\"\" data-is-only-node=\"\" data-start=\"2532\"\u003eCressi MC9 SC 1st Stage is a robust and dependable regulator designed for divers who require consistent performance in cold water and challenging conditions. Its sealed construction advanced airflow management and durable materials make it a reliable choice for demanding dive environments.\u003c\/p\u003e","brand":"Cressi Australia","offers":[{"title":"YOKE \/ NA \/ NA","offer_id":47664331227375,"sku":"HZ820095","price":409.0,"currency_code":"AUD","in_stock":true},{"title":"DIN \/ NA \/ NA","offer_id":47664331260143,"sku":"HZ820096","price":409.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/6620\/7471\/files\/HZ820095_1.jpg?v=1770707761","url":"https:\/\/www.cressi.com.au\/products\/mc9-sc-1st-stage","provider":"Cressi Pacific","version":"1.0","type":"link"}