Gate valve: The rated water working pressure should be above 175psi, and the valve body and bonnet material are cast bronze alloys that meet the American Society for Testing and Materials ASTM 62 standard. The valve structure is OS&Y and threaded connection. The valve should obtain UL certification, FM certification, and comply with the MSS-SP80 standard of the American Valve and Pipe Fitting Manufacturer Standardization Association.

Available valves: American Nibco T-104-O gate valve

Ball valve: The rated water working pressure should be above 175psi, and adopt PTFE valve seat. This type of valve should be equipped with a gear actuator that is not affected by the weather, can be used indoors/outdoors, has a rising position indicator and two built-in monitoring switches. This kind of valve should be threaded connection or slotted connection, and obtain UL certification, FM certification, and comply with the MSS-SP110 standard of the American Valve and Pipe Fitting Manufacturer Standardization Association.

Available standard runner valves: American Nibco KT-505 ball valve (threaded connection) American Nibco KG-505-8W ball valve (slotted connection) pipeline control valve with a diameter of DN65 or more

Gate valve: Rated water working pressure should be above 175psi, cast iron valve body and bronze valve trim, or elastic rubber sealing wedge. The valve body and bonnet should be made of cast iron alloy conforming to ASTMA126 level B of the American Society for Testing and Materials, or ASTMA536 ductile iron, with OS&Y type bonnet. If an elastic wedge structure is used, the inside of the valve must be coated with epoxy resin. The valve stem is prefabricated with slotted pipe, and the monitoring switch can be configured when needed. The connection method is 125-pound flange connection or slotted connection. This kind of valve should pass the American UL certification, FM certification or comply with the MSS-SP70 standard of the American Valve and Fitting Manufacturers Standardization Association.

Available valves: American Nibco F-607-OTS or F-607-RW gate valve (flange connection) American Nibco G-607-RW or FG-607-RW gate valve (tubular connection)

The indicator column equipped with gate valve: The rated water working pressure of such gate valve with a diameter of DN100 or more should not be less than 175psi, equipped with bronze valve trim and elastic rubber sealing wedge. The valve body and bonnet are made of cast iron alloy conforming to ASTMA126 level B standard or ASTMA536 standard ductile iron, equipped with bonnet and integrated indicator column mounting flange. If an elastic wedge structure is used, the inside of the valve must be coated with epoxy resin. The connection port is a 125-pound flange or mechanical connection. The vertical indicator column is adjustable and suitable for deep burial. Valves and indicator columns should obtain UL certification, FM certification, and comply with the MSS-SP70 standard of the American Valve and Pipe Fitting Manufacturers Standardization Association.

Available valves and indicator columns: Nibco F-609 or F-609-RW flange gate valve, Nibco M-609 or M-607-RW, underground mechanical connection gate valve, Nibco NIP1-AJ, USA Indicator column NIP2-AJ wall indicator column

Check valve: The rated water working pressure of this type of check valve should not be less than 175psi, equipped with bronze valve trim and rubber-metal seat. The valve body material should be cast iron alloy in accordance with ASTMA126 grade B of the American Society for Testing and Materials. The connection port should be flange or flat (wafer type). The valve should obtain UL certification, FM certification, and comply with the MSS-SP71 standard of the American Valve and Fitting Manufacturers Standardization Association.