FULL WELDED BALL VALVES

Detailed Product Description

Description / Construction:    

One-piece welded design with no body joints to leak. Double stem seals to avoid stem leakage.
Low lifetime cost due to long life, high leak-tight integrity and low initial cost.
Stainless steel ball and stem. Carbon-reinforced PTFE seat rings. Stainless steel bevel spring washers.
Easy operation due to low friction components. 100% factory body and seat tests.
Easy to actuate. No modification or welding required.

Characteristics:   

The valve body, end pieces and valve neck are welded together to form a single unit and the blow-out proof stem is sealed by means of two FPM (Viton) O-rings, the upper one of which is replaceable.
A PTFE thrust washer between the stem shoulder and valve neck prevents jamming and protects the stem seals from the media. Pre-loaded bevel washers hold the metal encapsulated carbon-reinforced PTFE seat rings in contact with the ball.
Ball valves are manufactured in accordance with European Pressure Equipment Directive 97/23/EY. conformity assessment procedure (=full quality assurance) controlled by Det Norske Veritas as notified body. has a certified quality system ISO 9001 and certified environmental management system ISO 14001.

Sizes:    dN10-250

Pressure classes:       PN16, 25 and 40

Mtaterial: RST37.0, RST 37.2, RST 37.8, P235GH, SSS1330