Feature:
Inverted pressure balance 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 powwer industry etc under nominal pressure of CLASS150-900LBS and working temperature of-29-180-C.
Design:
Design standard: API 599,API 6D, etc
It has logica l structure, re liab le seal, excellent performance and nice design.
It has the structure of flip-chip balanceable pressure and light on/off operation. 
An oil groove is set between valve body and seal surface, which may infuse the seal grease to increase the seal capability.
The part material and flange dimension may be selected according to current operating condit ion and use「s requirement, so that meet the requirements of var ious engineering.
Product:
Body material: Ductile iron, carbon steel,stainless steel ,etc
Nominal diameter: 1/2"～14"（DN15~350）
Pressure range: Class150～900（PN10~150）
End connection: RF, RTJ, BW,SW
Working temperature:-29℃～+180℃
Operation: wrench, gear box, electric, pneumatic ,etc.
XUZHOU YAOWEI VALVE CO.,LTD
Phone: +86 18086779739
Tel: +86 (0)516 87563627
E-mail: yourvalve@yeah.net; valvepipings@163.com
Add: Sanhuan North road 5#,Gulou Area,Xuzhou city ,Jiangsu ,China