safety valve manufacturer, safety valves distributor, safety valve factory--China Deland Valves Manufactring


	Ball Valve

	Check Valve

	Solenoid Valve

	Butterfly Valve

	Gate Valve

	Globe Valve

	Plug Valve

	Air Valve

	Other Products

Set up in 1995, China Deland Valves Manufactring Co.,Ltd. is one of the leading safety valve manufacturer, supplier and distributor in Yongjia County of Zhejiang Province. We manufacture all safety valves strictly conforming to the API, JIS, ANSI, BS, GB, NF and DIN standards. Our safety valves are available to users on request and are used for municipal works, petroleum, chemical industry, power station, metallurgy, national defense, and scientific research fields. We can supply custom, used, discount, cheap safety valve and accessory to USA, UK, Canda, Amercia, Europe, Germany, France, Japan, India, Iran, Russia, Poland and more than 30 countries in the world.

	1) Max. rated pressure (bar): 3, 6, 7, 8 2) Max. opening pressure: +15% 3) Min. closing tolerance: -15% 4) Waterworks threading standard: ISO 228/1 5) Manometer connection standard: ISO 228/1 This valve is mouted on the liquid refluence pipeline of the pan pump's outlet of the liqued field petroleum gas station, when fornt pump pressure exceeds the stipulated valve the valve will open automatically and lead to safe return of the liquid so that ensures the safe operation of equipments and pipelines. Main part material: WCB, SS304 SS316 ETC. Sealling surface material: alloy Standard: API, JB, JIS, DIN etc.
	1) Safety valves for electric water heater 2) Forged brass body, with lever 3) Relief pressure: 7 - 8 bars 4) Non-return valve pressure: 1 - 3 bars 5) Inlet pressure: 0.1 - 0.5 bars (if necessary) 6) Size: 1/2", 3/4", 1" Experience OEM on technical drawings or samples We guarantee that our products meet your supplied specifications partial container order. If you do not find what you are looking for, pls contact Mr.Mark and we will try our best to offer you our help and advice. This safety valve are used for the equipment and pipeline of steam, air etc medium, that the working temperature is less than 350 celsius degree. Taking for Extra pressure protection devices, Flange connection dimensions of comply with standard JB, ANSI DIN,JIS,ISO ETC or as customer's request
	the appliable tempreture300air ,petro,water etc.on the equipment or pipe,when the inner stress of the pipe beyond the permission. the valve will open automatically,then let it out completely ,when the stress reduce to the permission,the valve will close automatically,guaratee the run of the equipment and pipe. applying to liquiedfield gas tank lorry in railroad and automobile or ground liquefield gas tank to provide over pressure protection It is mainly Characterized by shifting direct function of spring to indirect function of guide valve. What's more, mian valve applying for sleeve piston&double sealed seat, is characterized by high precilon of action, good recylling function, fas truning back to seat, ability to high-pressure leaking, long working time&security. together with read-justment on line aucomatic turning back to seat after leading again and again, tigh closure operating and main-taining convenience.

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