High Performance Butterfly Valve

Product Introduction

LYV® High performance butterfly valve adopt double offset disc with floating seat design, can withstand pressure comes from both sides of pipeline and keeping its excellent sealing performance. LYV®️ High performance butterfly valves are available for wafer, flanged and lug style end connections. Depending on the medium property and temperature, consider in specific applications. The seat can be selectable from PTFE, RTFE, FKM, PEEK or metal seat likes Inconel, or stainless steel with chromium alloy or STL overlaying. If you need any technical support or want to learn more information, please contact to us.

Specifications

Size Range:

NPS 2”-48”; DN50-DN1000

Nominal Pressure:

150LB-600LB; PN16-PN40

Temperature Range:

-29℃～250℃（depends on design and material）

End Connections:

Flange; Wafer; Lug

Body Materials:

ASTM A216 WCB; ASTM A352 LCB; ASTM A351 CF8/CF8M;

Seat Materials:

PTFE/RPTFE/FKM/PEEK; INCONEL; 304/316+STL; 304/316+Cr

Disc Materials:

ASTM A351 CF8/CF8M/CF3/CF3M

Stem Materials:

ASTM A182 F304/F316

Design & Manufacture Standard:

API 609

Face-to-face Standard:

ASME B16.10/ EN558-1

End Connection Standard:

ASME B16.5/ ASME B16.25

Test & Inspection Standard:

API 598

Features

■ Low operating torque.

■ It means you can fit valves with smaller actuator.

■ Replaceable seat

■ If valve have damaged by some unexpected reason, you can replace the seat by few simple steps.

■ You should order seats as spare parts with valves together.

■ Bi-directional zero leakage sealing

■ Fire-safety design(optional)

■ Withstand frequently & quick operating.

■ Anti blowout stem design

What is High performance butterfly valve:

The high-performance butterfly valve was created for many of complete and special conditions before the regular butterfly valve couldn’t meet requirement from end users anymore. The double offset and seat design allowed the butterfly valve to be used in many applications and wide range of industries. Including steam, hydrocarbons, high-temperature applications and high-pressure applications. The high performance butterfly valve usually made with PTFE seat that can handle chemically reactive and corrosive mediums. This type of valve also has excellent performance in service life and operating torque, which is reflected in it could withstand frequently and quick operating.

What is difference between high performance butterfly valve and triple-offset butterfly valve:

Compare with high-performance butterfly valve. Triple-offset butterfly valve has an additional offset on the sealing surface, which like is a section of eccentric cone. This additional cone angle on the disc allows valve could shut-off with low friction. Regarding to production, triple-offset butterfly valve has less parts than high performance butterfly valve. Factories can control the cost lower than high-performance butterfly valve. In applications, triple offset butterfly valve similar as high-performance. And can produce high temperature and high-pressure butterfly valves with lower cost. However, the service life and performance of triple-offset butterfly valve are not comparable to high performance butterfly valve.

Why choose LYV®️ valves:

We produce High performance butterfly valve for over 30 years. The workshop covers 13000 square meters and own more than 50 advanced CNC machines. Our engineers & production team will make sure your order delivers with high-quality and fastest time. We also care about valve shipping. The valves will wrap by bubble pouches or paper to ensure the paint will not be damaged. We also fixed valve by plywood stick after we put valve into the box. The plywood case will be painted with necessary marking to make sure the valve will not be damaged during shipping.