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China Brass Fittings Manufacturer for OEM Production

How China Brass Fittings produced, find details in following video, more information at http://www.acrofluid.com/Fittings/.




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NAFCO | The Difference Between Brass Gate Valve and Brass Globe Valve

The Difference Between Brass Gate Valve and Brass Globe Valve Time:2019-01-02 From: NAFCO | Brass Valves Manufacturer China Brass gate valve and Brass globe valve are the two most commonly used shut-off valves. The main differences are: 1, the sealing surface is different  When the Brass gate valve is opened and closed, the sealing surface of the valve core and the valve seat always contact and rub against each other, so the sealing surface is easy to wear, especially when the valve is close to the closed state, the pressure difference between the front and the rear of the valve core is large, and the sealing surface wear is more serious. When the valve flap of the shut-off valve is in the open state, its valve seat and the valve sealing surface are no longer in contact, so its sealing surface is less mechanically worn, but if the medium contains solid particles, it is easy to damage the sealing surface. . The sealing surface of the Brass gate valve has a certa...
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OEM Brass Union Fittings for Gas Meter

OEM Brass Fittings with Union for Gas Meter From: NAFCO | OEM Brass Fittings China Manufacturer OEM produced forged brass fittings for gas meters, single-union and double-union design, sizes M20x1.5, 1/2". 1.Single-Union Brass Fittings for Gas Meters 2.Double-Union Brass Fittings for Gas Meters 2. Front View of  Single-Union Brass Fittings for Gas Meters 3. Top View of  Single-Union Brass Fittings for Gas Meters 4. Back View of  Single-Union Brass Fittings for Gas Meters 5. Buttom View of  Single-Union Brass Fittings for Gas Meters 6. Dis-assembly View of  Single-Union Brass Fittings for Gas Meters NAFCO is a professional OEM/ODM  brass fittings manufactuer and export, we can produce according to customers' drawing or samples.  Mainly focused on OEM brass fittings and brass valves, whatever requirements or idea, we can make it true for you. --------- The End ---------- This article is presented by  N...
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NAFCO | Torque Test of Brass Ball Valves

NAFCO | Torque Test of Brass Ball Valves Time:2018-08-09 From: NAFCO | Brass Valves China Manufacturer The tests described are type tests (laboratory tests) and not quality control tests carried out during manufacture. Tests shall be carried out in the sequence of this standard on the same brass ball valve. All tests shall be carried out with cold water of (20 ± 5) °C. The brass ball valve shall not be leaking or broken during the test, failing which the ball valve is not qualitified. 1.1.1 General Hold the ball valve in a rigid fixture as shown in Figure 1. a) All tests shall be carried out with connections to the valves (whatever their end fitting configurations) which are capable of withstanding the required torque values and bending moments (according to Table 1); b) if the inlet and outlet connection are not on a common axis, the torque tests shall be repeated with the connections reversed; c) ensure that the bending and torsional moments ca...
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