Sealey Ak522 O-Ring and Seal Pick

Product Information

O-rings are normally available with a hardness rating, as measured by an ASTM type-A durometer, of 70 (the "soft" kind) or more rarely a rating of 90 (the "stiff" kind). The soft O-rings are appropriate for dynamic applications where the O-ring is providing a seal with a constantly moving part, such as inside regulators. The stiff O-rings are more durable in static applications where the O-ring is providing a seal with stationary or occasionally moving parts, such as a valve. O-Ring Colour: Some people believe there is a difference in quality based on colour, but that is more likely attributed to unknowingly using soft dynamic O-rings in static applications. Our O-ring manufacturer states there is little difference in quality for O-rings based on colour alone, and independent testing supports that statement. SAFER EAR PIERCING – We recommend our Acrylic bioflex belly button rings for anyone that doesn’t like getting cut by metal studs. SPECIFICS : belly bars jewelry, 5 16 belly button rings, belly button rings flexible, belly ring retainer clear, 14 guage belly rings. The o-ring has a durometer of 70 Shore A. Shore A is a commonly used durometer scale to measure the hardness of rubber materials. The Shore A scale measures the indentation hardness of the material, which is the material's resistance to permanent indentation or deformation caused by a sharp object pressing against it. The higher the number on the Shore A scale, the harder and less flexible the material. A durometer of 70 Shore A means that the material has a medium hardness, with some resistance to deformation under pressure but still capable of some degree of flexibility.

Used as the Standard for most DIN First Stage Regulators, plus most DIN Valve inserts (e.g. those on the Faber/San-o-Sub DIN/K valves). Proper lubrication of the seal before installation is a crucial step in the installation process that ensures the o-ring remains in excellent working condition for an extended period. General-purpose grease lubricants: General-purpose grease lubricant is excellent for o-ring and elastomer seal varieties used in hydrocarbon service. General-purpose grease lubricant has a recommended service temperature of -29 𐩑C - 82 𐩑C (-20 𐩑F - 180 𐩑F). An O-ring is a doughnut, or torus shaped seal typically used to prevent the passing of air or fluid. In other words, O-rings are used to keep fluid or air IN or OUT of a defined space. For example, an underwater camera housing uses O-rings to keep water out, and scuba regulators use O-rings to prevent precious air from escaping. O-rings can be made of a very long list of exotic materials and most are inappropriate for SCUBA applications. The materials commonly used in SCUBA applications appear in the following table. Material

Figure 5: O-ring measurement: Inner diameter (A), outer diameter (B), and cross-section (C) Determining o-ring material The o-ring is made of NBR; it has an inner diameter, cross-section, and outer diameter of 5.7, 1.9, and 9.5 mm, respectively.

Choosing the correct o-ring material for a replacement requires consideration of various factors, including the application's operating conditions and the material compatibility with the fluid being used. Several methods are available to identify the material if it has not been initially discovered. Use a rubber indicator testNEW PIERCING – The Bioflex Material is perfect for new belly button rings 14g, it's comfortable and offers great reduction of infection risk. The terms FPM, FKM and Viton® very often cause confusion and lead to incorrect interpretations. All of these designations actually stand for one single base material: fluoro rubber. WHAT'S INCLUDED - 3 pieces of 14g (1.6mm) clear flexible navel button ring with clear rubber o-rings.We have 3 length options ; 5/16 inch (8mm), 3/8 inch (10mm) and 1/4 inch (12mm), please choose your size. Piston seat seal; Survivair manifolds; Power inflator seals; Common in aluminium cylinder valve to yoke regulator seals Sherwood 6400-115, Scubapro 1,050,147, Mares 46110215, Apeks: AP1410 The milky white O-ring occasionally seen in the face of K-valves, sometimes called a 10,000 psi O-ring, is made of Polyurethane. Polyurethane is very abrasion-resistant, but it is sensitive to UV light (sunlight).

Anyone who has to regularly remove and fit O rings on hydraulic, pneumatic or other equipment will know that it can be a fiddly task. The job is made much easier if you have the right tools on hand. In the European Union nations, the EN 144-3:2003 standard requires a valve outlet known as M26x2 to be used on dive cylinders containing oxygen or Nitrox mixtures with greater than 22% oxygen. The M26x2 outlet is similar in appearance but slightly larger than the standard DIN outlet, and thus incompatible with the standard DIN connector found on SCUBA regulators. The purpose of this incompatible valve outlet is to force the dedication of cylinders, regulators and fill stations to Nitrox use. The sealing O-ring in the nose of the M26x2 connector is 13.9 X 2.6 metric dimensions, equivalent to the 113 size. The M26x2 outlet and connector for Nitrox and oxygen is very rarely seen outside the EU. O-rings Available from The Scuba Doctor stage inlet fittings; HP seal retainer seal; J valve module; Valve HP plugs; 2nd stage barrel and housing plug seals, Shewood 5121-106, Scubapro 1,050,158, Apeks: AP1267 Lubricate the o-ring: Lubricating the o-ring and the groove with a compatible lubricant is critical to ensure it slides into the groove smoothly without any twisting or damage (discussed in depth later in the article).Regulator hose: male end; Regulator port plugs LP; Hose adapters; J-regulators; Early replacement HP seats; Captured HP outlets; Piston HP barrel BC hose coupler, Scubapro 1,050,351, Mares 46110107, Sherwood 5121-103, Apeks: AP1409 Old 1/2-inch NPS valves; 2nd stage inlet fittings; SAS LP seats; J-regulators; HP module seal; Valve HP plugs; 2nd stage barrel and housing plug seals; Paintball Guns; M18X1, 5 Valves, Sherwood 6400-125, 6500-129, Scubapro 1, 050, 160 The ISO 12209 standard specification for dimensions of the O-ring groove in the nose of the 232 bar and 300 bar DIN connectors for compressed air has an inside dimension of 12 mm and an outside dimension of 17 mm. In 2003, the standard depth for the groove was revised from the original 1.9 mm to a slightly deeper 2 mm. The specification for the sealing O-ring itself is an inside diameter of 11.2 mm with a cross section of 2.65 mm. From what we have been able to determine, not all SCUBA regulator manufacturers seem to use the current standard groove and O-ring in the universal DIN fittings found on their first stages. Used on Small DIN First Stage Regulators (e.g. Apeks and Scubapro), plus some DIN Valve inserts, and Old Yoke Valves Compared to the 111 size, the M2.4X11.3 size is slightly smaller cross section and slightly larger diameter with a good fit for the O-ring groove of the DIN connectors on Cressi and Poseidon regulators. Because of availability, most Nitrox and technical divers make do with a 111 size O-ring for their Cressi and Poseidon regulators, but the 111 is not as good a fit for the connector of those two brands.