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Pilot Operated Relief Valve w/Vacuum Breaker

Model 1400

Pilot Operated Relief Valve w/Vacuum Breaker

The Groth 1400 Pilot-Operated Relief Valve is used to replace weight-loaded or spring loaded valves in many applications to increase efficiency and reduce evaporation losses. Several advantages are obtained over the traditional type. For example, the process pressures may be closer to the set pressure than would be considered prudent and safe with the traditional valve. Additionally, greater conservation is obtained due to minimum product loss which in turn provides increased profits.

Specifications

Size: 2" (DN 50) through 12" (DN 300)

Material: Standard body materials are carbon steel, stainless steel, aluminum

Pressure: from 2.0* InWC to 15 psig * Requires 1402 Pilot for minimum settings

Vacuum: from 7.0 InWC to 12 psig

Certification: ATEX and PED Approval

Features

PILOT OPERATED
• Ease of precision settings
• Only the pilot needs to be set
• Lower profile and weight than spring operated models for high settings
• Remote pilot sensing option allows the pilot to sense the true system pressure
• Remote or manual blowdown available

EXTRA TIGHT SEAL
• Main valve remains tight to set pressure

FULL FLOW
• Full open at 10% overpressure

SNAP-ACTION OR MODULATING ACTION
• Modulating action conserves product since valve opening is proportional to overpressure.
• Noise is reduced since the valve only opens fully when required.

SOFT SEATED
• Soft seats seal tight to conserve product and minimize valve wear which improves reliability

TOP ENTRY
• Reduces maintenance costs since the valve can be completely serviced without removal from its mounting

Options

• 150# ANSI, PN10, PN16, JIS drilling classes available
• Pilot exhaust piped to discharge header
• Field test connection
• Manual blow down
• Conical film seat pallet
• Remote sense pickup
• Pilot supply filter

Dimensions

Pilot Operated Relief Valve w/Vacuum Breaker

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