Stainless steel ball valve
DN 40 - 300 | Navaltrim
FLOWSERVE
Flowserve NAVALTRIM is a control valve where two cross linked specially designed trim plates decrease the turbulence of the flow to improve the measuring accuracy and practically eliminate the cavitation and noise. This construction is used in sizes from DN40 up to DN300. The valve has an all welded body and is fitted with reinforced teflon seals which are durable even if the valve is frequently operated and is resistant to impurities and chemicals. The polished stainless steel ball is easy to turn and designed to provide many years of reliable service. The blow-out proof stem is sealed with 2 O-rings. In smaller sizes the upper one can be changed and in sizes DN65-300 both can be changed. The valve is equipped with fittings for measuring of pressure difference. Flowserve Naval ball valves are manufactured in accordance with European Pressure Equipment Directive 97/23/EY. Flowserve Naval Oy applies Module H as conformity assessment procedure (=full quality assurance)controlled by Det Norske Veritas as notified body. Naval Oy has a certified quality system ISO 9001 and certified environmental management system ISO 14001.
The unique Navaltrim construction provides a broad linear and exact control range. The flow resistance is very low in fully open position and the control plates inside the ball allow exact flow control without disturbing turbulence or cavitation. Thefore the information obtained from the measuring outlet is reliable.
