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Butterfly Valve
Butterfly Valve

Eccentric Hard Seal Butterfly Valve 1.Fine sealing performance 2.Long sealing life

Eccentric Hard Seal Butterfly Valve


VRW330 Serial Eccentric Hard Seal Butterfly Valve  is characterized by fine sealing performance and long sealing life, capable of meeting working conditions of high temp. It has a wide range of applications for regulating and cutting off of almost all gas and liquid in the industrial control process.

Standard specifications:

1. Valve body



Nominal diameter

DN80 - 2600

Nominal pressure

PN10 – 100 ANSI150 - 600

Type of valve plate

Inclined cone

Material of inner parts

Standard material,

Type of connection

Wafer type (DN80 – 600); Welded type (DN80 – 1000); Flange type (DN80 – 2600)

Material of valve body


Material of valve plate


Material of valve rod

2Cr13. 17-4PH

Material of seal ring

PTFE, 316/PTFE, 316/graphite, S.S

Range of temperature

-196°C - 540°C 

Filling material

PTFE, flexible graphite,

Flange distance

As per AP1609

Surface coating

Silver grey

Drive mode

Pneumatic / manual / motor - operated

2. Special requirement (paid service)

Special examination of valve body

Material checking, radioactivity inspection, low temperature test,

Special cleaning of valve body

Benzolized oil, benzolized water

Valve body and actuator

Based on requirements

Butterfly Valve

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