A cinquain is a five-line poetic form, of syllabic structure 2, 4,  6, 8, 2 - or, a five-line poem consisting of one noun, two  adjectives, three actions, four feeling words â¦ , and one noun  repeating the noun at the start.nswer by Ronirose. Confidence votes 11. A cinquain is a type of poem. A Cinquain has 5 lines. The 1st line is a noun. The 2nd line is two adjectives describing the noun. The 3rd line is three verds that have to do with the noun.
A Shear Relief Valve is a type of valve consisting of one or two shear pins used to set the relief pressure. The shear pins are chosen from several standard-sized pins installed on the shear relief valve. A relief valve is a valve that controls the pressure in a system so as to avoid certain accidents like equipment failure.
Emergency Shear Valves. OPW Emergency Shear Valves are installed on fuel-supply lines beneath dispensers at grade level to minimize hazards associated with collision or fire at the dispenser. If the dispenser is pulled over or dislodged by collision, the top of the valve breaks free at the integral shear groove, activating poppets that shut off the flow of fuel. 10 Series Emergency Shut-Off Valves. PA15 Offset Adaptor. 10 Plus Series Emergency Shut-Off Valves.