China DN600 WCB OS&Y Rising Stem Gate Valve Manufacturer, Exporter
Product Description
WCB carbon steel structure has stronger corrosion resistance, erosion, and wear resistance. Compared with ductile iron gate valves, the WCB gate valve is much more suitable for harsh environmental media.
WCB gate valves reliably withstand higher pressures and elevated temperatures, providing substantially higher working ratings than standard ductile iron gate valves.
The rising stem design allows operators to quickly estimate the position and status of the gate plate directly through the external position of the valve stem.
Zhongfa Valve provides OEM & ODM gate valves and parts in China. Zhongfa Valve's philosophy is to seek high-quality products with optimal service at the most economical price. All valve products are tested two times before shipping to ensure consistent product quality. Welcome to visit our factories; we will showcase the dedicated craftsmanship behind our valves.
| Size & Pressure Rating & Standard | |
|---|---|
| Size | DN40-DN1200 |
| Pressure Rating | PN10, PN16, CL150 |
| Face to Face STD | BS5163, DIN3202 F4, API609 |
| Connection STD | BS 4504 PN6/PN10/PN16, DIN2501 PN6/PN10/PN16, ISO 7005 PN6/PN10/PN16, JIS 5K/10K/16K, ASME B16.1 125LB, ASME B16.1 150LB, AS 2129 Table D and E |
| Upper Flange STD | ISO 5211 |
| Material Specifications | |
| Body | WCB/CF8M |
| Disc | WCB/CF8M |
| Stem/Shaft | 2Cr13 stainless steel/CF8M |
| Seat | WCB+2Cr13 stainless steel/CF8M |
| Bushing | PTFE, Bronze |
| O Ring | NBR, EPDM, FKM |
| Actuator | Gear Box, Electric Actuator, Pneumatic Actuator |
| Temperature | Temperature: -20-425℃ |
Q: Why choose a WCB gate valve over a ductile iron gate valve?
WCB carbon steel provides superior tensile strength, enhanced resistance against wear and mechanical erosion, and elevated tolerance against corrosion. This makes it far more reliable for harsh industrial environments, elevated operating temperatures, and higher working pressures than ductile iron.
Q: What is the operational temperature range for Zhongfa WCB valves?
Zhongfa WCB gate valves are designed to withstand challenging conditions with a continuous operating temperature range from -20℃ up to 425℃, supporting steam, hot water, and high-temperature media applications.
Q: How do operators determine the opening state on rising stem gate valves?
In rising stem configurations, the stem moves linearly upward as the valve is opened and downward as it is closed. This provides external visual indication, allowing technical operators to easily verify the open/closed position of the gate plate at a glance.
Q: What quality testing is performed prior to dispatch?
Every valve product from Zhongfa undergoes two separate, rigorous pressure and sealing tests before shipping to ensure zero defects, optimal airtightness, and strict compliance with international standards.
Q: Which actuator options can be mounted onto these gate valves?
The valves feature an ISO 5211 upper flange standard and can be equipped with manual gearboxes, electric multi-turn actuators, or pneumatic actuators based on your pipeline automation requirements.
Q: What standard pipe connections and flange drillings are supported?
Zhongfa gate valves support multiple international connection standards, including BS 4504, DIN 2501, ISO 7005 (PN6/PN10/PN16), JIS (5K/10K/16K), ASME B16.1 (125LB/150LB), and AS 2129 Table D and E.
