Model Mo.: Q41F
Nominal Diameter: 15-300mm
Nominal Pressure: Class 150/300LB
Usage:
API ball valve is applicable to the pipelines of some working conditions, such as oil, chemical industry, heat power plant. It can cut off and get the media through.
Applicable media: water, oil, vapor, acid, etc.
Features:
1. Design standard is according to GB12236, reasonable structure and reliable seal, nice appearance.
2. The material of seal surface of disc and seat is overlaying cobalt-based hard alloy. It is of high resistance to abrasion, high temperature and scratch, also long service life.
3. Fit to various companion flange and types of flange seal surface. It can reach various project and users’ requirements.
4. Various materials. The material of packing and gasket is according to users’ requirements. Applicable to all kinds of pressure, temperature and media.
5. The disc rotates along the pin roller outside the seat to decrease the impact happened when valve closed.
6. The connection structure of pin roller and disc is internal installation mode, in order to decrease external leakage and bring reliable operation.
Materials list:
| ASTM A216 WCB | ASTM A351 CF8 | |||||||||||
| shell | ||||||||||||
| WCB | CF8 | CF8M | Monel | |||||||||
| disc and yoke | ||||||||||||
| F6a | F304 | F316 | Monel | F304 | ||||||||
| pin roller | ||||||||||||
| 13Cr | 13Cr | STL | 304 | STL | 316 | STL | Monel | 304 | 304 | STL | ||
| disc surface | ||||||||||||
| 13Cr | STL | STL | 304 | STL | 316 | STL | Monel | 304 | 304 | STL | ||
| eat surface | ||||||||||||
| ASTM A351 CF3 | ASTM A351 CF8M | ASTM A351 CF3M | ||||||||||
| body | ||||||||||||
| disc and yoke | ||||||||||||
| F304L | F316 | F316L | ||||||||||
| pin roller | ||||||||||||
| 304L | 304L | STL | 316 | 316 | STL | 316L | 316L | STL | ||||
| disc surface | ||||||||||||
| 304L | STL | STL | 316 | STL | STL | 316L | 316L | STL | ||||
| seat surface | ||||||||||||