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API 520 Safety valve spring loaded-150LB

API 520 Safety valve spring loaded-150LB

Valve Type Spring Loaded, Full Lift
Design Standard API 520 (Sizing, Selection & Installation)
Testing & Seat Tightness Std. API 527
Size & Orifice As per API 526 (e.g., 2″x3″, Orifice ‘D’)
Pressure Rating (Class) 150, 300, 600 (or PN16/25/40/63)
Set Pressure Range 10 to 400 PSIG (0.7 to 27.6 BAR)
Operating Temp. Range -20°C to +300°C (Standard)

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Description

Safety Relief Valve – Technical Data Sheet (Consolidated)

The following table consolidates all key technical data for the specified spring-loaded safety relief valve.

Category

Item

Specification / Value

Product & Standards

Valve Type

Spring Loaded, Full Lift

 

Design Standard

API 520 (Sizing, Selection & Installation)

 

Testing & Seat Tightness Std.

API 527

Primary Specifications

Size & Orifice

As per API 526 (e.g., 2″x3″, Orifice ‘D’)

 

Pressure Rating (Class)

150, 300, 600 (or PN16/25/40/63)

 

Set Pressure Range

10 to 400 PSIG (0.7 to 27.6 BAR)

 

Operating Temp. Range

-20°C to +300°C (Standard)

Performance

Set Pressure Tolerance

± 3%

 

Overpressure

≤ 10%

 

Blowdown

≥ 7% (Adjustable)

 

Seat Tightness

In compliance with API 527 for metal-to-metal seats.

Materials of Construction

Body & Bonnet

WCB (Carbon Steel)

 

Trim (Internal Parts)

304 Stainless Steel (Incl. Disc, Seat, Guide)

 

Spring

50CrVA (Coated) / 304 SS (Optional)

Connections & Testing

Inlet/Outlet Connection

RF Flanged (ASME B16.5)

 

Shell Pressure Test

1.5 x MAWP

 

Performance Test

Set Pressure, Pop & Reseat Verification

 

GUATANTEE:

SAVVY VALVES is committed to delivering exceptional product quality and worry-free after-sales service. Our valves are guaranteed to provide a minimum service life of 12 months, during which we will supply all necessary spare parts and detailed maintenance instructions free of charge. Within the warranty period, if any non-human-induced damage occurs, we will replace components at no cost and provide professional technical support. After the warranty expires, customers only need to pay for the cost of spare parts, while still benefiting from discounted maintenance services. Our goal is to help clients reduce operational costs and enhance production efficiency through reliable quality and comprehensive after-sales support. Whether for technical inquiries or maintenance needs, our expert team will respond promptly to ensure your valve system maintains optimal performance at all times.

 

 

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