1:48 Gate Valve – Ver 3b

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I scratchbuilt and then 3D printed 6″ Gate Valves for my Pump House. I go into excruciating detail in 6 inch Gate Valve – in that I said – “I made the decision that I needed three gate valves inside the Pump House. My reasoning was : .. it would add to the ‘mechanical clutter’ in the Pump House. It would just be ‘cool’. Figure that they would have had – One gate valve on the line to the storage tank, a second gate valve directly to the coke oven bank and a third gate valve that would by-pass both of those to route the discharge back to the river

This gate valve version is strictly for show on it’s own .. say on a loading dock, in some weeds. To use as part of a set of pipe fittings that are designed to connect to Evergreen #224 tubing (This tubing has an Outside Diameter (O.D.) of 0.125″/3,2mm and an Inside Diameter (I.D.) of 0.069″/1,8mm.) check out my 1:48 Gate Valve – Ver 4b.

PipeSizesI show this as 1:48 but it is useable in other scales. Nominal pipe size is not generally the pipe O.D. For NPS ⅛ to 12, the NPS and OD values are different. For example, the OD of an NPS 12 pipe is actually 12.75 inches. For NPS 14 and up, the NPS and OD values are equal. In other words, an NPS 14 pipe is actually 14 inches OD. To a large extent such variations in size can be ignored by we modelers as the slight difference at the scale we model is scarcely noticeable. The chart shows that for example if you are modeling in 1:48 thethat 0.125″ O.D. of the tubing would be 6″. Look down the column and this is in the 5″ to 6″ (nominal) pipe O.D. – actual being 5.563″ and 6.625″. All the way down and the flange has 8 bolts. These fittings all have 8 bolt flanges.

HoseHouseHere’s using the 4b in a model of a Hydrant House (along with a couple of 45° and 90° elbows) and #224 Evergreen tubing. The valve stem is a length of 0.018″ dia dressmaker’s in. I will add a handwheel from VectorCut when complete as it is near scale and easily damaged. The color .. simply sprayed gray primer with washes of a thinned white acrylic and rust wash. – See more at: http://micromimesis.com/products/148-45-flanged-elbow/#sthash.7gZaBJkP.dpuf







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