Class 150 C95800/C958 Disc Lug Butterfly Valve DN250 with Soft Seat

C95800 aluminum bronze offers excellent resistance to seawater corrosion, cavitation, and biofouling, making the valve widely used in:

Seawater intake and discharge pipelines.
Offshore platforms.
Ship ballast and cooling systems.
Coastal pumping stations.

Size: 2”-24”/DN50-DN600

Pressure Rating: PN10/16, JIS5K/10K, 150LB

Warranty: 18 Month

Brand Name: ZFA Valve

Service: OEM

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Product Detail

Size & Pressure Rating & Standard
Size	DN40-DN1200
Pressure Rating	PN10, PN16, CL150, JIS 5K, JIS 10K
Face to Face STD	API609, BS5155, DIN3202, ISO5752
Connection STD	PN6, PN10, PN16, PN25, 150LB, JIS5K, 10K, 16K, GOST33259
Upper Flange STD	ISO 5211

Material
Body	Cast Iron(GG25), Ductile Iron(GGG40/50), Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze, Aluminium Alloy
Disc	DI+Ni, Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529), Bronze, DI/WCB/SS lined with PTFE
Stem/Shaft	SS416, SS431, SS304, SS316, Duplex Stainless Steel, Monel
Seat	EPDM
Bushing	PTFE, Bronze
O Ring	NBR, EPDM, FKM
Actuator	Hand Lever, Gear Box, Electric Actuator, Pneumatic Actuator

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Product Advantage

- The C95800 disc also called C958 disc, the material is nickel-aluminum bronze. It offers outstanding resistance to seawater corrosion, cavitation, and marine biofouling, making it ideal for marine pipelines and desalination systems.

- C95800 material forms a protective oxide film in saltwater environments, significantly extending valve service life.

- So the C95800+EPDM valve seat is arguably the most cost-effective regulating valve for seawater systems.

- The lug body with threaded holes allows the valve to be installed between flanges and supports end-of-line operation, meaning one side of the pipeline can be removed without affecting the other side. This design improves maintenance efficiency and installation flexibility.