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Safety Relief Valve: FUKUI SL431 - 1985

ReflowX SKU: REF-1242

Product Details

Quantity

2
Availability (Lead Time)

0-2 Weeks
Product Location

United Arab Emirates
Condition

Surplus
OEM

FUKUI SEISAKUSHO CO., LTD.
Equipment code

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Short Description

Manufacturer: FUKUI SEISAKUSHO CO., LTD. Country: Japan Type: Safety Relief Valve Model/Type: SL431 Serial No.: 31A2051 Manufacturer: FUKUI SEISAKUSHO CO., LTD. Country: Japan Type: Safety Relief Valve Model/Type: SL431 Serial No.: 31A2051 Manufacturer: FUKUI SEISAKUSHO CO., LTD. Country: Japan Type: Safety Relief Valve Model/Type: SL431 Serial No.: 31A2051

Description

Manufacturer Information

Manufacturer: FUKUI SEISAKUSHO CO., LTD.

Country of Origin: Japan

Model / Type: SL431

Serial Number: 31A2051

Valve Type: Spring-loaded Safety Relief Valve

Mechanical Specifications

Valve Design: Angle or Straight pattern (model-dependent)

Operation: Spring-loaded pressure relief

Actuation Method: Direct spring pressure-actuated

Valve Body Material: Typically Carbon Steel, Stainless Steel, or Alloy Steel (exact material varies by build code)

Trim Material: Hardened Stainless Steel or equivalent

Connection Type: Flanged (ANSI or JIS standards based on order)

Size Range (Estimated): 1" to 4" (for SL series, confirm exact bore on nameplate)

Seat Type: Metal-to-metal or soft seat (Elastomer/PTFE optional)

Discharge Type: Open or Closed Bonnet (based on service)

Pressure & Temperature Ratings

Set Pressure: Custom set per order (commonly ranges from 1 bar to 100 bar or more)

Design Pressure Range: Up to 150 bar (depending on configuration)

Temperature Rating: Up to 400°C (depending on materials used)

Blowdown Adjustment: Typically 7%–10%

Back Pressure Tolerance: Suitable for atmospheric or low backpressure systems

Compliance & Standards

Standard: API 526 / API 520

Certifications: CE / PED (Pressure Equipment Directive) compliant

Testing: Factory hydrostatic and set pressure tested

Design Code: ASME Section VIII / JIS / ISO (as specified)

Markings & Tag Plate Data

Model: SL431

Serial No.: 31A2051

Manufacturer: FUKUI SEISAKUSHO CO., LTD. – Japan

For further specifications or to inquire about this equipment and ReflowX's logistics services, Please contact ReflowX at info@reflowx.com

Technical Details

Year of Manufacturing	1985
ISO 15926 Pt 4	10554
Model Number	SL431
Year of Manufacturing	1985
Height	300–400 mm
Width	150–200 mm
Length	150–200 mm
Weight	10–15 kg
ISO 15926 Pt 4	10554
PCA RDS Code	RDS292589
CFIHOS ID	CFIHOS-30000660
IFC Class	IfcValve
Design Specification	Ex d (Flameproof)
Failure Action	normally closed or normally open
Full Opening Valve	Yes
Nominal Diameter	1/4" to 1/2"
Piping Class	Class 150 or Class 300
UNSPSC Code	40141600

General Terms

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