http://www.valvehome.com/lubricated-plug-valve/13690923.html

Product Description
1)Product Description

Inverted pressure balanced lubricated plug valve acc.to ANSI is applicable to the cutting and connection of pipelines medium that are used in various industries such as petroleum, chemical industry, pharmacy, chemical fertilizer, electric power industry etc under nominal pressure of Class 150~1500LB and working temperature of -29~180℃.

Note:Class150 NPS≥4 inch with gear,NPS≥12 inch with venturi pattern

Class300~1500 NPS≥4 inch with gear,NPS≥6 nch with venturi pattern


2)Design Features

1. It has logical structure,reliable seal,excellent performance and nice design.

2. It has the structure of flip-chip balanceable pressure and light on/off operation.

3. An sealant groove is set between valve body and seal surface,which may infuse the seal grease to increase the seal capability.

4. The part material and flange dimension may be selected according to current operating condition and users requirement,so that meet the requirements of various engineering.