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Piston check valve 312 series
weldfor oil industry applicationsfor steam

piston check valve
piston check valve
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Characteristics

Type
piston
Body
weld
Applications
for oil industry applications, for steam
Material
stainless steel, steel, wrought steel
Other characteristics
horizontal, high-temperature
Temperature

Max.: 425 °C (797 °F)

Min.: -29 °C (-20 °F)

Pressure

136 bar (1,972.5 psi)

DN

Max.: 50 mm (1.969 in)

Min.: 10 mm (0.394 in)

Description

The 312 series is a steel ball valve that weighs about 800 lbs and comes in horizontal position only. It is available in either in piston-type with an SS-302 spring or in ball-type without spring. The bolted bonnet is responsible for simplifying its maintenance. The Trim 8 version has a body made of carbon steel which guarantees adequate mechanical strength of the seat. The trim 10 version has a body made of SS-316. Forged carbon Steel check valve TRIM8 SW Class 800 standard bore for petroleum industry, steam, oil and gas and high pressure. Piston type and bolted bonnet. Stainless Steel + graphite bonnet gasket. Compatible with explosive atmosphère, ATEX Zone 1&21 and Zone 2&22. SPECIFICATIONS : • - respect the flow direction (mdicated by the arrow) • - Standard bore • - Piston type • - Horizontal position only • - Bolted bonnet • - Forged carbon Steel A105N • - Vi stellite ( Trim 8 ) • - Class 800 • - Phosphate protection. 5 pm thickness USE: • - Petroleum industry. steam. high pressure • - Min and max Température Ts : - 29°C to + 425°C • - Max Pressure Ps : 136 bars ( see graph )

Catalogs

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.