Gold Member Since 2009
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Tianjin KRS Valve Co., Ltd.

Butterfly Valve manufacturer / supplier in China, offering Corrosion Proof Type Butterfly Valve, Lug Type Butterfly Valve (D37L1X3-10), Resilient Seat Double Eccentric Flanged Butterfly Valve (D343X-16) and so on.

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Supplier Homepage Product butterfly valve Corrosion Proof Type Butterfly Valve

Corrosion Proof Type Butterfly Valve

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Basic Info
  • Material of Seal Surface: Soft Sealed
Product Description
This butterfly valve is separated style, enclosed the valve with the PTFE liner ring, Between the liner ring and valve is the back liner of 79 that made of high-elasticity rubber, the liner ring disc adopts the double spherical surface sealing structure, used for guarantee the reliable closing and sealing performance even some laceration emerges due to long-time using.
The valve disc is the complete liner structure, and they adopt the spherical surface structure to the liner ring, the sealing structure between the valve disc, valve stem and liner ring, is the highly reliable pressure self-sealing structure, which had got a patent items to guarantee that there will no leaking out during long-term use.
Size: 2"-12"
Design Standard: API609
Face to Face: GB12238, BS5155, API609, MSS SP-67,
Flange Drilling: DIN2501, BS4504, BS10-E, ANSI125/150, ASA125/150, AS2129Table D/E, JIS5K/10K/20K.
Design standard: API609

Flange connection dimension: DIN 2501 PN10; ANSI125/150; AS2129 Table D/E, ect.

Face to Face: DIN3202-K1, BS5155, ANSI B16.10, MSS SP-67

Pressure test: API 598
Part Name Material
Body GG25
Disc GG25+PTFE
Stem SS410
"O"ring PTFE
Bushing PTFE
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