Product Description

The design conforms to the API Spec 6A. Body and bonnet are sealed by metal to improve the Seal performance. Reverse seal mechanism sets between the stem and bonnet to make seal filler to be replaced easily. Body is made of high quality alloy steel forging, no perforation and safe performance. Sealing surface is sprinkling welded cemented Carbide with properties of corrosive-resistance, Scrub-resistance and wear-resistance. Body gasket channels are welded austenitic Stainless steel to improve corrosive-resistant Performance. Spring load on the parallel discs and valve seat To realize two-sided seal. Control system can realize long-distance control.