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Piston valve
manualisolationdouble block-and-bleed

piston valve
piston valve
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Characteristics

Type
piston
Operation
manual
Function
isolation, double block-and-bleed, bleed, drain
Media
for oil, for gas
Body
double, welded, trunnion-mounted, cast, metal, graphite
Applications
cryogenic, for pipe
Associated function
vent, expansion
Other characteristics
automatic, in-line, anti-static, fire-safe
DN

Min.: 1.813 in

Max.: 56 in

Pressure

Min.: 2,000 psi

Max.: 10,000 psi

Description

Double Block and Bleed Valve is a side-entry ball valve, with either a bolted or welded body, designed for use in upstream, midstream and downstream oil and gas applications. It requires two in-line isolation valves and a bleed valve used to drain or vent trapped fluid between the two closure elements in order to safely isolate the downstream pipe. This feature can be achieved with one single valves complete with a bleed port between the obturators. Initial and installation cost savings owing to reduced structural requirements of design that saves both space and weight Increased system reliability from single valve with bleed port between two valves Improved plant and personnel safety due to anti-blowout stem, fire-safe construction and anti-static design API 6D/6A ASME B16.34 NACE MR0175 API 6FA/API 607/API598 Standard Cast or forged components-bolted body design Seals: O-Ring + graphite fire safe Soft seated/Metal seated Fittings: stem and seat greaser Self relieving or double piston effect seats Cavity relief Cast or forged components-bolted body design Seals: Lip-seal + graphite fire safe Soft seated/metal seated Self relieving or double piston effect seats Double block bleed Extended bonnet Cavity relief Cast or forged components-bolted body design Seals: Spiral wound or graphite Metal seated Self relieving seats Extended bonnet Cavity relief

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Exhibitions

Meet this supplier at the following exhibition(s):

ACHEMA 2024
ACHEMA 2024

10-14 Jun 2024 Frankfurt am Main (Germany) Hall * - Stand *

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    *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.