Soft sealed clamp type double eccentric pneumatic high-performance butterfly valve

High performance butterfly valve - double eccentric butterfly valve-Soft sealed clamp type double eccentric pneumatic high-performance butterfly valve

Model: D672F-25C, D672F-40C

Alternative names: Double eccentric pneumatic high-performance butterfly valve, soft seal pneumatic high-performance butterfly valve

Introduction to Double Eccentric High Performance Butterfly Valve:

The soft sealed double eccentric clamping pneumatic high-performance butterfly valve adopts a double eccentric structure. Before the valve is closed, the valve plate and seat will remain in a non-contact state with low friction and torque. The S-shaped elastic sealing valve seat ensures reliable closure and can automatically compensate for temperature and pressure changes. After closure, the pressure of the medium on the valve plate and valve ring is used to tightly bond the two, because the higher the pressure of the medium, the better the sealing performance.

Soft sealed clamp type double eccentric pneumatic high-performance butterfly valveImage - Shanghai Yonglong Valve Factory

Soft sealed high-performance butterfly valve performance characteristics:

1. Using * dynamic load sealing PTFE valve seat design, with good elasticity and high reliability

2. No need to add O-rings or metal components to maintain sealing

3. The lip type sealing structure can compensate for changes in temperature and pressure

4. Long service life and low maintenance workload

5. Sealing test to achieve no bubble leakage

6. The valve seat has good elasticity, high reliability, long service life, and requires minimal maintenance

Technical parameters of clamp type high-performance butterfly valve:

1. Valve body material: WCB carbon steel, 304, 316

2. nominal diameter: DN50-DN1200 (2 '~48')

3. Valve seat sealing: RPTFE

4. Applicable temperature: -50 ℃~120 ℃

5. Nominal pressure: PN0.6-PN4.0 (150LB~300LB)

6. Applicable media: water, steam, oil, weakly corrosive media

Double eccentric clamp type soft seal pneumatic high-performance butterfly valve picture - Shanghai Yonglong Valve Factory

The double eccentric soft seal pneumatic high-performance butterfly valve adopts a double eccentric structure, and the sealing surface is made of welded cobalt based hard alloy. The sealing surface is wear-resistant, and the valve seat and valve plate have almost no wear, with a sealing function that becomes tighter as the valve is closed. Pneumatic clamp type high-performance butterfly valves are widely used in industrial pipelines such as metallurgy, power, petrochemicals, and municipal construction for water supply and drainage with medium temperatures ≤ 100 ℃, for regulating flow and cutting off fluids.

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