{"product_id":"swing-check-valve","title":"Swing check valve","description":"\u003cp\u003e\u003cstrong\u003euse\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe swing check valve is suitable for various pipelines with nominal pressure PN1.0MPa~42.0MPa, Class150-2500; nominal diameter DN15~1200mm, NPS1\/2~48; working temperature -196~540℃. Medium backflow. By choosing different materials (WCB, CF8(M), CF3(M), 1Gr5Mo, 15CrMo1V, it can be applied to various media such as water, steam, oil, nitric acid, acetic acid, strong oxidizing medium and urea. Mainly used for Petroleum, chemical, pharmaceutical, fertilizer, electricity and other pipelines.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003estructure\u003c\/p\u003e\n\u003cp\u003eThe swing check valve adopts a built-in rocker arm swing structure. All the opening and closing parts of the valve are installed inside the valve body and do not penetrate the valve body. Except for the sealing gasket and sealing ring used in the middle flange, the overall There is no leakage point, eliminating the possibility of valve leakage. The connection between the rocker arm and the disc of the swing check valve adopts a spherical connection structure, so that the disc has a certain degree of freedom in the range of 360 degrees, and has appropriate micro-position compensation.\u003c\/p\u003e\n\u003cp\u003eIt is suitable for clean medium, not suitable for medium containing solid particles and high viscosity.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eStructure length: GB12221\u003c\/p\u003e\n\u003cp\u003eConnection flange: JB\/T79-1994\u003c\/p\u003e\n\u003cp\u003eTest and inspection: JB\/T9092-1999\u003c\/p\u003e\n\u003cdiv\u003eProduct pressure parameters：\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003eSeal test\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0989\/8026\/6274\/files\/ef9096ea200f850c8ebd4671dbadc5e4.png?v=1773128028\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0989\/8026\/6274\/files\/7f596a3ad498b78f4d17f87ba0e64a09.png?v=1773128033\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"MeYoung Steel","offers":[{"title":"National standard stainless steel swing check valve","offer_id":51407756722466,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true},{"title":"American Standard Large Diameter Check Valve","offer_id":51407756755234,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true},{"title":"American Standard Large Diameter Check Valve (1)","offer_id":51407756788002,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true},{"title":"Cast steel American standard check valve","offer_id":51407756820770,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true},{"title":"National standard high pressure swing check valve","offer_id":51407756853538,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/8026\/6274\/files\/c3739d01bfc9645627c17fd61e50bc68.jpg?v=1773128608","url":"https:\/\/meyoungsteel.com\/products\/swing-check-valve","provider":"MeYoung Steel","version":"1.0","type":"link"}