5300 Pressure Relief Valve

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5300 Pressure Relief Valve

Dual rail system for smooth strokes and low wear

Leakage is well below API2000 standards and guarantees high setting accuracy (±3%).

Full opening at 10% overpressure

Spool and seat assemblies are field replaceable

Supports ANSI, DIN, and HG/T20592~20635~2009 flanges.

Demand consultation

Product Overview
Specifications
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Product Overview

The Model 5300 Single Pressure Relief Valve is part of BasCo's line of high performance PVRV. The excellent BasCo guide system allows it to outperform standard valves on the market for direct vent conditions, providing overpressure protection while preventing air intake and reducing evaporation of the media.

Specifications

Setting range

Model	Size	Pressure	Temperature
5310	2"(DN50)~12"(DN300)	0.2~6.9KPa(2~69mbar)	-45~260℃
5320	2"(DN50)~12"(DN300)	6.9~100KPa(69~1000mbar)
5330	2"(DN50)~12"(DN300)	0.2~6.9KPa(2~69mbar)
5340	2"(DN50)~12"(DN300)	6.9~100KPa(69~1000mbar)

Structure Material

Shell	Seat/Disc	Spool seal	Fastener	Counterweights	Gasket
Aluminum Stainless Steel Carbon Steel	Stainless Steel Aluminum	FEP Teflon Buna-N	Galvanized carbon steel Stainless Steel	Galvanized carbon steel Stainless Steel Aluminum Resin coated stainless steel	Buna-N Teflon Viton

5300 Series Breathing Valve Model Rules

Series Designator	Inlet Connection Size	Outlet Connection Size	Housing Material	Spool & Seat Ring Material	Spool Seal Material	Pressure setting	Vacuum Setting	Options
5310 5320 5330 5340	2"-12"	3"-14"	1.Aluminum 4.Stainless Steel 5.carbon steel	1.Stainless Steel 2.Other	1.FEP 2.Buna-N 3.Viton 4.Others	n.InH2O m.mbar (Units preceded by values followed by values)	(numerical units only ditto)	O. No option A. Special Coatings B. Stainless steel weights C. Optional weight materials D. Optional Hardware E. Optional Gasket Material F. Optional FRP resin G. Vapor Jacket or Heat Tracing Tube J. Other

Key Parameter Table

Model Number	Inlet Connection In(mm)	Outlet connection mm	A Overall length H1	H1 Total Height H1	H2 Total height mm	D Center Width mm	E Center Height E Center Height
5310 5310	2(50)	50	177	207	Variable value	110	125
	3(80)	80	202	242		127	147
	4(100)	100	237	295		146	171
	6(150)	150	294	386		176	226
	8(200)	200	354	465		207	257
	10(250)	250	397	534		232	287
	12(300)	300	504	617		288	328

Model Number	Inlet Connection In(mm)	A Overall Length H3	H3 Overall height H3	H4 Total height H4
5330 5330	2(50)	179	140	Variable value
	3(80)	198	172
	4(100)	241	198
	6(150)	331	274
	8(200)	470	352
	10(250)	500	435
	12(300)	610	488

* Unit weight, in kg, indicates the net weight of the valve at standard set pressure (2 mba pressure - 2 mbar vacuum), excluding the weight of the shipping case. Add 20% to the total shipping weight (domestic only). Parameters are for reference only, please contact us for more information.