To be installed at cementing units and pipelines intended for pumping over (pumping into) technological slurries that are used in oil and gas production as well as to be installed at tubing head as shutoff device.

Working medium: cement slurry, water-base washing liquids (clay drilling mud, drilling muds with low content of solid phase).

Fluid temperature: -30 to +120^оС.

To be employed in regions with temperate climate.

Table  1

Charts of variants
Female Threaded Shutoff Valve PN 70

Features and advantages:

• High strength and reliability of die-forged body.
• Female threaded joint. Size: 60 mm according to GOST 633-80.
• Plug is sealed "metal-to-metal".
• Plug and insert are ground in that ensures perfect tightness.
• Special washer provides uniform insert to body clamping.
• Lubricant that is fed under pressure between inserts and plug at the moment when valve is opened (closed) makes it possible to significantly reduce handwheel torque.
• Valve has the position indicator of shutoff element.
• Fixing plug in body along vertical centreline ensures alignment of body bore and plug.