Looks like a bug

https://imgur.com/a/KUtiHtB

updated from 0.26 version. It has same recipe as vacuum tube and same icon.

https://imgur.com/a/waB9XeB

find this in code

ITEM {
type = "item",
name = "valvea",
icon = "pyhightech/graphics/icons/valve.png",
icon_size = 32,
flags = {"goes-to-main-inventory"},
subgroup = "py-hightech-items",
order = "f",
stack_size = 100
}

RECIPE {
type = 'recipe',
name = 'valvea',
category = 'electronic',
enabled = true,
energy_required = 15,
ingredients = {
{type = 'item', name = 'iron-plate', amount = 5},
{type = 'item', name = 'copper-plate', amount = 2},
{type = 'item', name = 'graphite', amount = 2}
},
results = {
{type = 'item', name = 'valvea', amount = 2}
},
main_product = 'valvea'
}:add_ingredient({type = 'fluid', name = 'vacuum', amount = 50})

yes and its sort of already fixed just the recipe needs hidden. bobs mods inconstantly overrides the vacuum tube in pyhightech with the name and description of his pipe valve. what you found in the code is where i recreated and replaced the vacuum tube so as it make it work correctly. its the vacuum tube on the right. the one in the second image is the original unedited/ broken one.