Metal Seated Butterfly Valve

As one of the china ball valve manufacturers, ZECO always adhere to exceed customer expectations,to provide customers with more international standard valveservices and products as the ultimate goal.

Description of Metal Seated Butterfly Valve:

ZECO metal seated butterfly valve body and seat sealing surface of the use of metal materials, and surface hardening treatment, belongs to the metal against metal to seal structure, even in a line need frequent opening and closing, the valve can still maintain effective sealing performance, and in view of the existing medium wear condition, can use targeted for surface hardening treatment to achieve higher than medium wear hardness, so as to improve the service life of the valve. ZECO is a global professional supplier of hard seal butterfly valves. ZECO's professional technology, production process and maintenance guidance have made ZECO a leader in the field of valves.

Features of Metal Seated Butterfly Valve:

1. butterfly valve made in chinacan realize bi-directional sealing, the concept of bi-directional sealing is that no internal leakage can be guaranteed in the valve body no matter from the forward pressure of the valve body or the reverse pressure of the valve body, and can meet the zero leakage requirement of API 598 international standard;

4. The valve seat of ZECO butterfly valve adopts the structure of forged valve seat made of all-metal alloy steel. Its hardness is extremely high, it can be used in abrasion media, and it is resistant to high temperature and high pressure.

Material of Metal Seated Butterfly Valve:

No	Part	Material
1	Body	ASTM A351 CF8
2	Seal Ring	Graphite + SS304
3	Retainer Flange	ASTM A182 F304
4	Pin	ASTM A276 304
5	Disc	ASTM A351 CF8
6	Stem	ASTM A276 304
7	Stem Packing	Graphite
8	Stem Beating	SS304 + PTFE
9	Bolt	ASTM A193 B8
10	Nut	ASTM A194 8
11	Yoke	ASTM A216 WCB

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