How to select the valve of the hottest fire fighti

2022-09-19
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How to select the valve type of fire protection system

pipeline control valve with diameter below DN65

1. Gate valve:

the rated water working pressure should be above 175 psi, and the material of valve body and bonnet is cast bronze alloy conforming to ASTM B 62 standard of American Society for testing and materials. The valve structure is OS y and threaded connection. The valve shall be UL certified and FM certified, and comply with mss-sp80 standard of American valve and pipe fitting manufacturers' Standardization Association

available valves:

NIBCO t-104-o gate valve

high stem gate valve:

rated water working pressure is not less than 300 psi. OS y bonnet and valve body shall be made of cast iron alloy conforming to ASTM A 126 grade B. The valve connection method should be flange connection, and 250 pound or 300 pound flange should be used. This kind of valve should pass UL certification, FM certification or comply with mss-sp70 standard of American valve and fitting manufacturers' Standardization Association

available valves:

NIBCO f-697-b gate valve

2. Ball valve:

the rated water working pressure should be above 175 psi, and PTFE valve seat should be used. Such valves should be equipped with gear actuators that are not affected by climate, which can be used indoors/outdoors, with rising position indicators and two to express our sincere thanks; I would like to express my heartfelt thanks to Shenzhen stock exchange for providing us with a good investment and financing platform with built-in monitoring switch. This kind of valve should be threaded or slotted, and obtain UL certification and FM certification, and comply with MSS-SP110 standard of American valve and pipe fitting manufacturers' Standardization Association

available standard flow passage valves:

NIBCO kt-505 ball valve (threaded connection)

NIBCO kg-w ball valve (slotted connection)

pipeline control valve with a diameter of more than DN65

and conforms to the mss-sp70 standard of the American valve and 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 nip 1-aj vertical indicator column

NIBCO nip 2-aj wall indicator column

ball valve: the rated water working pressure is not less than 175 psi. The valve shall be equipped with Teflon valve seat, threaded connection, anti blow out valve rod and rod handle. This kind of valve should be UL certified and FM certified for drainage system, or comply with MSS-SP110 standard of American valve and pipe fitting manufacturers' Standardization Association

available valves:

NIBCO kt-ul ball valve (diameter DN8 ~ DN25)

NIBCO sensor grabs the smaller kt-ul ball valve (diameter DN32 ~ DN50)

3. Stop valve/angle valve:

rated water working pressure is not less than 175 psi. The valve shall be equipped with rubber seat disc and threaded connection port. Such valves shall be UL Listed for drainage system

available valves:

NIBCO kt-65-ul stop valve or kt-211-wul stop valve

NIBCO kt-67-ul angle valve or t-301-w angle valve

4. Check valve:

rated water working pressure is not less than 175 psi. The valve shall be equipped with rubber seat disc and threaded connection port. The valve shall be Y-shaped horizontal swing type. Such valves shall comply with mss-sp80 standard of American valve and fitting manufacturers' Standardization Association

available valves:

NIBCO kt-403-w check valve

check valve: the rated water working pressure of this kind of check valve should not be less than 175 psi, equipped with bronze trim and rubber metal seat. The material of valve body shall be cast iron alloy conforming to ASTM A 126 grade B. The connection port should be flange or plate type (wafer type). The valve shall be UL and FM certified for the authenticity of fixture description, and comply with mss-sp71 standard of American valve and pipe fitting manufacturers' Standardization Association. Available valves:

NIBCO f-908-w flange check valve

NIBCO kw-900-w flat check valve (wafer type)

pipeline control valve with diameter above DN65

high rod check valve:

rated water working pressure is not less than 300 psi. This type of check valve should be a horizontal swing check valve with bronze trim. The OS y bonnet and valve body should be made of cast iron alloy in accordance with ASTM A 126 grade B. The valve connection method should be flange connection, and 250 pound or 300 pound flange should be used. This kind of valve should pass UL certification, FM certification or comply with mss-sp70 standard of American valve and fitting manufacturers' Standardization Association

available valves:

NIBCO f-968-b gate valve

drain valve with diameter below DN65

5. Butterfly valve:

the rated water working pressure should not be less than 175 psi. The valve shall be equipped with a gear actuator with a handwheel that is weather independent and can be used indoors or outdoors, with a raised position indicator and two built-in monitoring switches. The valve body is made of ductile iron conforming to ASTM A 395 or a 536, and the valve stem is made of 400 series stainless steel. When exploring the new development path of plastic granulator technology, the door connection mode is flat (wafer type), which can be used to install and connect between 125/150 pound flanges or IPS tubes. Such valves shall be UL and FM certified and conform to mss-sp67 standard of American valve and pipe fitting manufacturers' Standardization Association

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