Flanged Butterfly Valve Rubber Lined Manufacturer and Suppliers-Flowspec Luokai

Flanged Butterfly Valve Rubber Lined Descriptions

Flanged butterfly valve rubber lined is one type of central lined flanged type butterfly valve, which is the most common type of butterfly valve. Rubber lined butterfly valve is with the central disc and bonded liner. It is featured with a higher strength body and better pressure resistance as safely factor. Flowspec Luokai can manufacture the double flanged type rubber lined butterfly valve according to GB12238, AWWA C504 and EN593 with flanged ends of ANSI B16.5, DIN 2501, BS 4504, GB 17241.6, JIS10K, etc.
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1. FEATURES

Bidirectional sealing, small torque
Linear flow curve, excellent regulation
Whether vertical or horizontal installation is OK
Can be used as exhaust valve on the pipeline end
Quick 90° on-off operation
Good sealing capability, no leakage

3. STANDARDS

Design & manufacturing: GB12238, AWWA C504, EN593
Face to face: ISO 5752, AWWA C504, GB12221, EN558-1, ANSI B16.10
Flanged ends: ANSI B16.5 ANSI 125/150; EN1092-2, DIN 2501 / BS 4504 / GB 17241.6 PN10/PN16
Top flange: ISO 5211
Inspection & testing: API598, GB13927

2. TECHNICAL SPECIFICATIONS

ANSI 125/150LB, PN1.0/PN1.6MPa
Size: 2″~96″ (50~2400mm)
Materials: A126 B (GG25), A536 65-45-12 (GGG40), A216 WCB, S.S.304(CF8), S.S.316(CF8M), B148 C954
Epoxy coating with thickness ≥ 250μm
Applicable medium: water, sewage, sea water, air, corrosive liquids
Applicable temperature: -45℃~+150℃ (higher temperature is available upon request)

4. APPLICATIONS