Product

Pressure Safety Valve

Pressure safety valves safeguard process systems from overpressure in demanding industrial and chemical service duty.

Tight shut-off Low maintenance Corrosion resistant

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Product Overview

Application and service highlights

Introduction

Pressure safety valves are critical protective devices used to relieve excess system pressure before equipment limits are exceeded. In chemical and process installations they provide an important safeguard for pipelines, vessels and connected equipment under upset operating conditions.

Key Features

Protects systems from dangerous pressure build-up.
Suitable for equipment and line overpressure protection.
Supports safer plant operation in variable process conditions.

Specifications

Material, dimensions and testing standards

Material

Valve Body: Robust metallic construction with corrosion resistant lining.
Seats & Seals: PTFE-based soft sealing elements for dependable shut-off.
Trim: Configured to suit process pressure and media compatibility.

Dimensions

Offered in standard line sizes for process and utility services.
Flanged drilling available to match common plant standards.
Compact face-to-face dimensions support retrofit installations.

Testing

Seat leak and shell testing before dispatch.
Lining continuity inspected with spark testing.
Operational cycling checked for smooth performance.

Technical Drawing

Cross-sectional reference

Dimensional Specifications

Dimensional table

Size		Diameter (D)	Raised Face (R/F)	P.C.D (K)	Flange Thick. (T)	No. of Holes (N)	Hole Dia (B)	Lining Thickness (±0.5mm)	Length ± 5mm (Max L)
NB	Inch
25	1"	33.7	50	79	15	4	15	3	600
40	1.5"	48.3	65	95	17	4	18	3	600
50	2"	60.3	80	127	19	4	19	3	500
80	3"	88.9	100	152	22	4	22	3	400
100	4"	114.3	125	178	24	8	22	3	300