A three-piece ball valve with threaded ends, often referred to as a silk buckle valve, is a type of valve that is commonly used in industrial applications. It consists of three main parts: the body, the bonnet, and the ball. The body is usually made of stainless steel and is designed to resist corrosion and pressure. The bonnet is used to cover the ball and provide easy access for maintenance and repairs. The ball is the central component of the valve and is designed to control the flow of fluids by rotating within the body.
Executive standard:
| select | Inquiry | NPS | DN(mm) | d(mm) | L(mm) | H(mm) | W(mm) | 4-d(mm) |
|---|---|---|---|---|---|---|---|---|
| 1/4" | 6 | 11.50 | 65 | 46 | 95 | 7 | ||
| 3/8" | 10 | 12 | 65 | 46 | 95 | 7 | ||
| 1/2" | 15 | 15 | 60 | 46 | 110 | 8 | ||
| 3/4" | 20 | 20 | 70 | 54 | 110 | 8.50 | ||
| 1* | 25 | 25 | 80 | 64 | 140 | 8.50 | ||
| 1-1/4" | 32 | 32 | 90 | 69 | 140 | 10 | ||
| 1-1/2" | 40 | 38 | 100 | 76 | 155 | 10 | ||
| 2* | 50 | 50 | 119 | 86 | 180 | 11 | ||
| 2-1/2" | 65 | 65 | 167 | 120 | 220 | 16 | ||
| 3* | 80 | 80 | - | 150 | 260 | 18 | ||
| 4* | 100 | 100 | - | 170 | 350 | 20 |
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