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Recent content by jdptx
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3000mm dia knife gate valve
Are you looking for a knife gate or sluice gate. My company Rovalve manufactures knife gate and slide gate valves with uni-directional and bi-directional shut off. We can manufacture a 3000 mm valve for your needs. Rovalve has 144" dia. knife gate valves in service. Please send me all...- jdptx
- Post #5
- Forum: Valve engineering
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Wafer Check Valve Details
The figure number 14 60 SNF Duo Check valve manufactured by Mission Valve and Pump was not produced after 1972. It is an ANSI 600, raised face smooth finish, carbon steel body and disc; Neoprene seat; 316 SS spring and hinge shaft. While it is an older Style B valve, the face-to-face dimension...- jdptx
- Post #9
- Forum: Valve engineering
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Upstream of a check valve
An excellent source of information concerning this issue is ASME publication 82-PET-12, titled, "Behavior and Wear of Check Valves". This publication addresses pipe diameters and expected wear that occurs as the result of turbulance caused by fittings and other devices. This...- jdptx
- Post #3
- Forum: Valve engineering
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Check Valves Waterhammer Characteristics
ASME publication 82-PET-16, titled, "A Facility and Approach to Performance Test of Check Valves" specifically address water hammer as they relate to check valves. This publication is probably not available in print. I would be happy to fax it to you.- jdptx
- Post #6
- Forum: Valve engineering
