Main Features:
The design conforms to 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 the sale 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.
Spring load on the Parallel discs and valve seat to realize two-sided seal.
Small torque.
Control system installed on the bonnet can realize long-distance control.
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